Chapter 3 Physiological Processes Of Life Respiration MCQs
Question 1. Who proposed that respiration is a catabolic process?
(1) Lamark
(2) Lavoisier
(3) Pristley
(4) Barnes
Answer: (2) Lavoisier.
Question 2. Energy currency of cell is—
(1) ADP
(2) Mitochondria
(3) ATP
(4) Chloroplast
Answer: (3) ATP.
Question 3. Arespiratory substrate is —
(1) glucose
(2) Protein
(3) fats
(4) All of these
Answer: (4) All of these.
Question 4. The starting point of respiration is —
(1) Amino acid
(2) Glucose
(3) Pyruvate
(4) None
Answer: (2) Glucose.
Question 5. The site of glycolysis is —
(1) Mitochondria
(2) Cytoplasm
(3) Golgibodies
(4) Nucleus
Answer: (2) Cytoplasm.
Question 6. The final phase of respiration is —
(1) glycolysis
(2) terminal respiration
(3) krebs cycle
(4) cytoplasm.
Answer: (2) terminal respiration.
Question 7. The step common in both aerobic and anaerobic respirations is —
(1) Krebs cycle
(2) Terminal respiration
(3) Glycolysis
(4) Carbon assimilalion
Answer: (3) Glycolysis.
Question 8. In fermentation pyruvic acid is converted into (in animals) —
(1) lactic acid
(2) ethanol
(3) starch
(4) glycogen
Answer: (1) lactic acid.
Question 9. In krebs cycle the first formed acid is —
(1) acetic acid
(2) farmic acid
(3) citric acid
(4) carbonic acid
Answer: (3) citricacid.
Question 10. T.C.A. cycle is also called —
(1) glycolysis
(2) krebs cycle
(3) light phase
(4) dark phase
Answer: (2) krebs cycle.
Question 11. Energy produced in aerobic respiration is —
(1) 646 kcal
(2) 686 kcal
(3) 656 kcal
(4) 486 kcal
Answer: (2) 686 kcal.
Question 12. Number of ATP produced during glycolysis is —
(1) 4 molecules
(2) 6 molecules
(3) 1 molecules
(4) 2 molecules
Answer: (4) 2 molecules.
Question 13. A bacteria having anaerobic respiration is —
(1) Clostridium
(2) Rhizobiun
(3) Azotobactor
(4) All
Answer: (4) All.
Question 14. Pneumatophores are found in —
(1) halophytes
(2) bryophytes
(3) epiphytes
(4) algael
Answer: (a) hallophytes.
Question 15. The respiratory organ in dragonfly is —
(1) gills
(2) external gills
(3) tracheal gills
(4) moist skin
Answer: (3) tracheal gills.
Question 16. Example of jeol fish is —
(1) Koi
(2) Mangur
(3) Singhi
(4) All of these
Answer: (4) All of these.
Question 17. An aquatic mammal respiring with lungs is —
(1 Sea horse
(2) Whale
(3) Shark
(4) Dolphin
Answer: (2) Whale.
Question 18. The respiratory organ of crocodile is —
(1) Gill
(2) Skin
(3) Lung
(4) Trachea
Answer: (3) Lung.
Question 19. Pyruvic acid is the end product of —
(1) Calvin cycle
(2) Citric acid cycle
(3) Glycolysis
(4) Photolysis
Answer: (3) Glycolysis.
Question 20. Cell organelle which participates in respiration is —
(1) Goligbodies
(2) Mitochondria
(3) Chloroplast
(4) Nucleus
Answer: (2) Mitochondria.
Question 21. Percentage of CO, in air is —
(1) 0.05%
(2) 0.06%
(3) 0.03%
(4) 0.09%
Answer: (3) 0.03%.
Question 22. RQ of glucose is —
(1) 2
(2) Less than one
(3) 1
(4) 3
Answer: (3) 1.
Question 23. Covering membrane of lung is —
(1) Pericardium
(2) Pleura
(3) Meninges
(4) Tonoplast
Answer: (2) Pleura.
Question 24. Spiracels are present in —
(1) Earthworm
(2) Cockroach
(3) Fishes
(4) Amoeba
Answer: (2) Cockroach.
Question 25. In plant exchange of gases takes place through —
(1) Stomata
(2) Lenticel
(3) Chloroplast
(4) Both a and b
Answer: (4) Both a and b.
Question 26. An animal having respiration with mouthcavity and lungs is —
(1) Fish
(2) Crocodile
(3) Frog
(4) Eathworm
Answer: (3) Frog.
Question 27. In higher plants exchange of gases takes place through —
(1) Stomata
(2) Lenticels
(3) Pneumatophore
(4)All
Answer: (4) All.
Question 28. Which respiratory pigment is present is pond snail ?
(1) Haemoglobin
(2) Haemocyanin
(3) Heparin
(4) Fibrin
Answer: (2) Haemocyanin.
Question 29. Alveoli are present in —
(1) heart
(2) brain
(3) lungs
(4) stomach
Answer: (3) lungs.
Question 30. Lactic acid are found in our body in—
(1) Lungs
(2) Skeletal muscle
(3) Cardiac muscle
(4) Smooth muscle.
Answer: (2) Skeletal muscle.
Question 31. Which one of the following organs is the main respiratory organ of whale ?
(1) Integument
(2) Lung
(3)Gill
(4) Trachea.
Answer: Lung is the main respiratory organ of whale.
Question 32. The cell organelle which participates in respiration is —
(1) Golgibodies
(2) Mitochondria
(3) Nucleus
(4) chloroplast
Answer: The cell organelle which participates in respiration is Mitochondria.
Question 33. What is the main respiratory organ of house lizard ?
(1) Integument
(2) Nephridia
(3) External gills s
(4) Lungs
Answer: Lung is the main respiratory organ of house lizard.
Question 34. Pyruvic acid is the end product of —
(1) Citric acid cycle
(2) Calvin cycle
(3) Glycolysis
(4) Photolysis
Answer: Pyruvic acid is the end product of Glycolysis.
Question 35. Respiratory organ of a cockroach is —
(1) Skin
(2) Gill
(3) Trachea
(4) Lung.
Answer: Respiratory organ of a cockroach is Trachea.
Question 36. In which of the animals, trachea is the respiratory organ?
(1) Cockroach
(2) Fish
(3) House lizard
(4) Earth worm.
Answer: Trachea is the respiratory organ of Cockroach.
Question 37. The respiratory organ of Crocodile is —
(1) Gill
(2) Skin
(3) Lung
(4) Trachea
Answer: The respiratory organ of Crocodile is Lung.
Question 38. Respiration in absence of free oxygen is —
(1) Anaerobic
(2) Aerobic
(3) Alcoholic fermentation
Answer: Respiration in absence of free oxygen is Anaerobic.
Question 39. An animal performing anaerobic respiration is —
(1) Earth worm
(2) Tapeworm
(3) Glow worm
(4) None of the above
Answer: An animal performing anaerobic respiration is Tapeworm.
Question 40. Percentage of oxygen in inspiratory air is —
(1) 16%
(2) 12.4%
(3) 20.60%
(4) 30%
Answer: Percentage of oxygen in inspiratory air is 20.60%
Question 41. What is the end product of Glycolysis?
(1) Citric acid
(2) Malic acid
(3) Nitric acid
(4) Pyruvic acid
Answer: Pyruvic acid is the end product of Glycolysis.
Question 42. In the cell of living organisms the energy is stored in
(1) NADP
(2) ADP
(3) ATP
(4) PGA
Ans In the cell of living organisms the energy is stored in ATP.
Question 43. In which animal does skin act as the main respiratory organ?
(1) Toad
(2) Prawn
(3) Cockroach
(4) Earthworm
Answer: Skin acts as the main respiratory organ in Earthworm.
Question 44. The breathing organ of Rohu fish is —
(1) Green gland
(2) Trachea
(3)Gill
(4) Lung
Answer: The breathing organ of Rohu fish is Gill.
Question 45. In which of the organs alveolus is seen ?
(1) Liver
(2) Lung
(3) Skin
(4) Kidney
Answer: Alveolus is seen in Lung.
Question 46. Which one of the following is produced in muscle cells during anaerobic respiration?
(1 Acetic acid
(2) Lactic acid
(3) Ethyl alcohol
(d4) Hydrochloric acid
Answer: Lactic acid is produced in muscle cells during anaerobic respiration.
Question 47. Which one of the following is called energy currency ?
(1) NADH2
(2) ATP
(3) ADP
(4) FADH2
Answer: ATP is called energy currency.
Question 48. Cutaneous respiration takes place in
(1) Cockroach
(2) Earthworm
(3) Spider
(4) Amoeba.
Answer: Cutaneous respiration takes place in Earthworm.
Question 49. Respiratory organ of Periplanta americana is
(1) Skin
(2) External gills
(3) Lung
(4) Trachea
Answer: Respiratory organ of Periplanta americana is trachea.
Question 50. The respiratory organ of shark is
(1) Lungs
(2) Trachea
(3) Internal gills
(4) External gills
Answer: The respiratory organ of Shark is internal gills.
Question 51. How many ATP are produced from 1 gm mole glucose by aerobic
respiration ?
(1) 8 ATP
(2) 38 ATP
(3) 12 ATP
(4) 7 ATP
Answer: 38 ATP are produced from 1gm mole glucose by aerobic respiration.
Question 52. Glycolysis occurs within the
(1) Cytoplasm
(2) Mitochondria
(3) Plastids
(4) Nucleus
Answer: Glycolysis occurs within the cytoplasm.
Question 53. Due to oxidation of how much glucose about 686 K cal of energy is generated in aerobic respiration.
(1) 1 Molecule of glucose
(2) 1 gm molecule of glucose
(3) 1. gm of glucose
(4) 180 kg of glucose
Answer: Due to oxidation of 1 molecule of glucose about 686 K cal of energy is generated in aerobic respiration.
Question 54. The biochemical pathway which produces pyruvic acid as an end product is —
(1) Photolysis
(2) Glycolysis
(3) Kreb’s cycle
Answer: The biochemical pathway which produces pyruvic acid as an end product is glycolysis.
Question 55. Lactobacillus is used for making
(1) Acetic acid
(2) Alcohol
(3) lactic acid from Lactose of milk.
Answer: Lactobacillus.is used for making lactic acid from lactose of milk.
Question 56. Labyrinthine organ is an accessory respiratory organ of
(1) Scorpion
(2) Koi
(3) Crocodile
(4) Frog
Answer: Labyrinthine organ is ari accessory respiratory organ of Koi.
Question 57. In which form of energy is the potential energy of the food usually liberated in respiration ?
(1 light energy
(2) heat and kinetic energy
(3) electric energy
(4) kinetic energy
Answer: The potential energy of food is usually liberated in the form of heat energy and kinetic energy in respiration.
Question 58. What is the respiratory organ of cockroach ?
(1) Cell Membrane
(2) Moist skin
(3) Trachea
(4) Gills
Answer: Trachea is the respiratory organ of cockroach.
Question 59. In anaerobic respiration___ Keal energy is produced.
(1) 150
(2) 686
(3) 574
(4) 50
Answer: In anaerobic respiration 50 Kcal energy is produced.
Chapter 3 Physiological Processes Of Life Nutrition MCQs
Question 1. The secretion of which of the following glands does not contain any enzyme necessary for digestion ?
(1) Liver
(2) Pancreas
(3) Salivary gland
(4) Glands of the small intestine
Answer: The secretion of Liver does not contain any enzyme necessary for digestion.
Question 2. Amongst the following types of food, which one has Nitrogen as an essential component ?
(1) Fats
(2) Carbohydrates
(3) Proteins
Answer: Protein has Nitrogen as an essential component
Question 3. An example of Symbiotic plant is —
(1) Cuscuta
(2) Agaricus
(3) Sundew
(4) Lichen
Answer: An example of Symbiotic plant is Lichen.
Question 4. From which part of human digestive system no carbohydrate digesting enzyme is secreted ?
(1) Buccal cavity
(2) Pancreas
(3) Intestine
(4) Stomach
Answer: From Stomach no carbohydrate digesting enzyme is secreted.
Question 5. Cuscuta is a –
(1) Autotroph
(2) Heterotroph
(3) Parasite
Answer: Cuscuta is a Parasite.
Question 6. The Vitamin that can be synthesized in human body is —
(1) K
(2) C
(3) A
(4) D
Answer: The Vitamin that can be synthesized in human body is D.
Question 7. Which of the following acts as source of energy in the body?
(1) Carbohydrate
(2) Vitamin
(3) Water
(4) Minerals
Answer: Carbohydrate acts as source of energy in the body.
Question 8. Which type of food provides nitrogen to the body?
(1) Carbohydrate
(2) Protein
(3) Fat
(4) Vitamin
Answer: Protein type of food provides nitrogen to the body.
Question 9. Which one of the following is the largest digestive gland in vertebrates?
(1) Salivary glands
(2) Pancreas
(3) Liver
(4) Intestinal gland
Answer: Liver is the largest digestive gland in vertebrates.
Question 10. The proteolytic enzyme in pancreatic juice is —
(1) Amylase
(2) Lipase
(3) Trypsin
(4) Pepsin
Answer: The proteolytic enzyme in pancreatic juice is Trypsin.
Question 11. Chemical name of Vitamin C is —
(1) Ascorbic acid
(2) Retinol
(3) Phylloquinone
(4) Nicotinic acid
Answer: Chemical name of Vitamin C is Ascorbic acid.
Question 12. Which of the following parts of human digestive system does not secrete protein and oil or fat digestive enzyme?
(1) Mouth
(2) Pancreas
(3) Small intestine
(4) Stomach
Answer: Mouth does not secrete protein and oil or fat digestive enzyme.
Question 13. Due to deficiency of which of the following demente chlorosis occurs in plants ?
(1) Calcium
(2) Oxygen
(3) Magnesium
(4) Sodium
Ans Due to deficiency Magnesium chlorosis occurs in plants.
Question 14. In which of the following parts of the digestive system of human body digested food substances are absorbed ?
(1 Oesophagus
(2) Liver
(3) Pancreas
(4) Small intestine
Ans Digested food substances are absorbed in Small intestine.
Question 15. Which of the following organs produces bile ?
(1) Gall bladder
(2) Pancreas
(3) Liver
Ans Liver produces bile.
Question 16. The name of the enzyme which is present in the saliva and which acts upon carbohydrate food is —
(1) Pepsin
(2) Ptyalin
(3) Amylase
(4) Erepsin
Answer: The name of the enzyme which is present in the saliva and which acts upon carbohydrate food is Ptyalin.
Question 17. The bile duct enters —
(1 Liver
(2) Pancreas
(3) Duodenum
Answer: The bile duct enters Duodenum.
Question 18. Deficiency of which vitamin produces anaemia?
(1) Vitamin B1
(2) Vitamin B12
(3) Vitamin B6
(4) Vitamin B2
Answer: Deficiency of Vitamin B12 produces anaemia.
Question 19. Which vitamin contains cobalt ?
(1) Vit B1
(2) Vit B2
(3) Vit B12
(4) Vit C
Answer: Vit B12contains cobalt.
Question 20. Which of the following diseases results due to deficiency of Vitamin ‘A’ ?
(1) Ricket
(2) Scurvy
(3) Night blindness
(4) Beri-Beri
Answer: Night blindness disease results due to deficiency of Vitamin ‘A’.
Question 21. Where are villi situated ?
(1) In kidney
(2) In lungs
(3) Buccal cavity
(4) Small intestine
Answer: Villi are situated in Small intestine.
Question 22. What is pepsin?
(1) Animal hormone
(2) Enzyme
(3) Plant hormone
(4) panes material
Answer: Pepsin is Enzyme.
Question 23. Which one of the following vitamins is water soluble?
(1) Vitamin A
(2) Vitamin C
(3) Vitamin D
(4) Vitamin E
Answer: Vitamin C is water soluble.
Question 24. Which one of the following elements is required as trace element in plant ?
(1 Carbon
(2) Nitrogen
(3) Boron
(4) Phosphorus
Answer: Boron is required as trace element in plant.
Question 25. Which one of the following is hindered due to deficiency of vitamin ‘A’ causing “night blindness” ?
(1) Rod cell construction
(2) Retina constfuction
(3) Cone cell construction
(4) Nerve cell construction
Answer: Rod cell construction is hindered due to deficiency of vitamin ‘A’ causing “night blindness”.
Question 26. The Vitamin sysnthesized in the human skin is —
(1) Vitamin K
(2) Vitamin C
(3) Vitamin A
(4) Vitamin D
Answer: The Vitamin synthesized in human skin is Vitamin D.
Question 27. An animal Starch is —
(1) Glycogen
(2) Albumin
(3) Sucrose
(4) Maltose
Answer: An animal Starch is Glycogen.
Question 28. Blood coagulation does not occur due to the deficiency of which Vitamin ?
(1) Vitamin A,
(2) Vitamin B12,
(3) Vitamin C,
(4) Vitamin K
Answer: Blood coagulatior does not occur due to the deficiency of Vitamin K.
Question 29. Mainly from which molecule of the following, energy is released ?
(1) Protein
(2) Glycerol
(3) Glucose
(4) Amino acid
Answer: Energy is released mainly from glucose molecule.
Question 30. A micro element helpful in plant nutrition is .
(1) Nitrogen
(2) Potassium
(3) Zine
(4) Phosphorus
Answer: A micro element helpful in Plant nutrition is Zinc.
Question 31. Due to the deficiency of which Vitamin the disease Ricket occurs in children ?
(1) Vitamin A
(2) Vitamin C
(3) Vitamin D
(4) Vitamin K
Answer: Due to the deficiency of Vitamin D the disease Ricket occurs in children.
Question 32. The component of food which does not yield energy is
(1) Carbohydrate
(2) Protein
(3) Fat
(4) Vitamin.
Answer: The component of food which does not yield energy is Vitamin.
Question 33. Pellagra is caused due to the deficiency of 3
(1) Amino acid
(2) Nicotinic aicd
(3) Citric acid
(4) Lactic acid
Answer: Pellagra is caused by due to deficiency of Nicotinic acid.
Question 34. The gland from which. three types of digestive enzymes are secreted is —
(1) Liver
(2) Pancreas
(3) Salivary gland
(4) Gastiric gland
Answer: The gland from which three types of digestive enzymes are
secreted is pancreas.
Question 35. Deficiency of which Vitamin causes Scurvy ?
(1) Vitamin A
(2) Vitamin D
(3) Vitamin E
(4) Vitamin C
Answer: Deficiency of Vitamin C causes scurvy.
Question 36. Which mineral is present in haemocyanin pigment ?
(1)Fe
(2) Mg
(3) Cu
(4) Co
Answer: Cu mineral is present in haemocyanin pigment.
Question 37. Which animal from the following organisms can prepare its own food ?.
(1) Toad
(2) Eugiena
(3) Mucor
(4) Mango tree
Answer: Euglena can prepare its own food.
Question 38. Proteins contain —
(1) Calcium
(2) Magnesium
(3) Iron
(4) Nitrsgen
Answer: Proteins contain Nitrogen,
Question 39. The substance which is nota carbonydrateis
(1) Cane sugar
(2) Sioumin
(3) Lactose
(4) Starcn
Answer: The substance which is not a carbohydrate is Albumin.
Question 40. The antivitamin preventing the action of biotin is
(1) Carotene
(2) Avidin
(3) Pyrithamine
Answer: The antivitamin preventing the action of biotin is avidin.
Question 41. Protein can be digested by —
(1) Ptyalin
(2) Lipase
(3) Pepsin
(4) Maltase
Answer: Protein can be digested by Pepsin.
Question 42. Which one of the following diseases is caused due to deficiency of Vitamin E ?
(1) Night blindness
(3) Infertility
(3) Ricket
(4) Scurvy
Answer: Infertility disease is caused due to deficiency of Vitamin E.
Question 43. The metallic ion essential for blood coagulationis—.
(1) Cat*
(2) Kt
(3) Mg**
(4) Na*
Answer: The metallic ion esser.: al for blood coagulaton is ca**.
Question 44. The major reasen of anaemia in human body is the deficiency of
(1) Iodine in food
(2 Calcium in food
(3) Magnesium in food
(4) Iron in food
Answer: The major reason of anaemia in human body is the deficiency of Iron in food.
Question 45. The digestion of carbohydrates occurs in which of the following in man ?
(1 Buccal cavity
(2) Stomach
(3) Buccal cavity and stomach
(4) Buccal cavity and Small intestine
Answer: The digestion of carbohydrates occurs in buccal cavity and small intestine.
Question 46. The enzyme which is not present in succus entericus is_
(1) Trypsin
(2) Maltase
(3) Sucrase
(4) Lactase
Answer: The enzyme which is not present in succus entericus is trypsin.
Question 47. Deficiency of Iodine leadsto.
(1) Anaemic
(2) Pelagra
(3) Goitre
Answer: Deficiency of iodine leads to goitre.
Question 48. Xeropthalmia is caused by the deficiency of ss.
(1) Vitamin A
(2) Vitamin B12
(3) Vitamin C
(4) Vitamin D
Answer: Xeropthalmia is caused by deficiency of Vitamin A.
Question 49. Atotal Parasiteis_
(1) Mucor
(2) Spirogyra
(3) Swarnlata
(4) Agaricus
Answer: A total Parasite is Swarnlata.
Question 50. Citrus fruits like orange contain
(1 Vitamin A
(2) Vitamin B
(3) Vitamin C
(4) Vitamin D
Answer: Citrus fruits like orange contain Vitamin C.
Question 51. Oxyntic cells are responsible for the secretion of —
(1) Pepsin
(2) Ptyalin
(3) HCI
(4) None
Answer: Oxyntic cells are responsible for the secretion of HCl.
Question 52. Which element is known as enzyme activator ?
(1) Zinc
(2 Copper
(3) Molybdenum
(4) Iron
Answer: Zinc is known as enzyme activator.
Question 53. Osteomalacia is caused by the deficiency of —
(1) Vitamin A
(2) Vitamin D
(3) Vitamin E
(4) Vitamin K
Answer: Osteomalacia is caused by the deficiency of Vitamin D.
Question 54. The organic substance from which energy is not obtained is —
(1 Protein
(2) Carbohydrate
(3) Fat
(4) Vitamins
Answer: The organic substance from which energy is not obtained is Vitamins.
Question 55. The metallic element which is required for the formation of
haemoglobin is —
(1) Iron (Fe)
(2) Calcium (Ca)
(3) Magnesium (Mg)
(4) Potassium (K)
Answer: The metallic element which is required for the formation of haemoglobin is Iron (Fe).
Question 56. Which digestive juice of your body would turn a blue litmus paper red?
(1) salivary juice
(2) bile juice
(3) pancreatic juice
(4) gastric juice
Answer: Gastric Juice turns a blue litmus paper red.
Question 57. Of the following, is a protective food.
(1) carbohydrate
(2) vitamin
(3) protein
(4) fat
Answer: Of the following, vitamin is a protective food.
Question 58. A child has swollen and bleeding gums. Which food could he be given to reduce the symptoms ?
(1) germinating gram seeds
(2) carrot
(3) egg
(4) lemon
Answer: Lemon should be given to him to reduce the symptoms.
Question 60. Deficiency of which mineral causes chlorosis in plant?
(1) Mg
(2) Ca
(3) Na
(4) Al
Answer: Deficiency of Magnesium causes chlorosis in plant.
Question 61. An enzyme which is secreted from stomach is —
(1) Trypsin
(2) Pepsin
(3) Ptyalin
(4) Erepsin
Answer: An enzyme which is secreted from stomach is Pepsin.
Question 62. Which one of the following is a fat soluble vitamin?
(1) vitamin ‘B1’
(2) vitamin ‘D’ .
(3) vitamin ‘C’
(4) vitamin ‘B12‘
Answer: Vitamin ‘D’ is a fat soluble vitamin.
Question 63. The nutrients are —
(1) Vitamins
(2) Minerals
(3) Water
(4) all these
Answer: (4) all these.
Question 64. Fats provides more energy than carbohydrate because —
(1) Fat contains more hydrogen
(2) Fat contains more oxygen
(3) Fat contains more useful substances
(4) Fat contains more carbon.
Answer: (1) Fat contains more hydrogen.
Question 65. Monosacchrides are linked together by —
(1) hydrogen bond
(2) glucoside bond
(3) linkage bond
(4) none of these
Answer: (1) hydrogen bond.
Question 66. The chief stored form of carbohydrate in animals is —
(1) Starch
(2) Glycogen
(3) Sucrose
(4) Maltose
Answer: (2) Glycogen.
Question 67. A derived lipid is —
(1) sterols
(2) phospholipid
(3) glycolipids
(4) fatty acids
Answer: (1) sterols.
Question 68. Cod liver oil is a rich source of —
(1) Vit Band C
(2) Vit A and D
(3) Vit A and C
(4) Vit D and K
Answer: (2) Vit A and D.
Question 69. The calorific value of fat is —
(1) 4.3 kcal
(2) 9.7 kcal
(3) 9.3 kcal
(4) 4.1 kcal
Answer: (3) 9.3 kcal.
Question 70. The simplest form of protein is —
(1) Glucose
(2) Glycerol
(3) Amino acid
(4) Ester
Answer: (3) Amino acid.
Question 71. The essential amino acid is —
(1) Valine
(2) Histidine
(3) Methionine
(4) All
Answer: (4) All.
Question 72. Aderived protein is —
(1) Glycine
(2) Polypeptides
(3) Serine
(4) All
Answer: (2) Polypeptides.
Question 73.An element acts as growth promoter and is present in vit B-12. What is it ?
(1) Chlorine
(2) Copper
(3) Cobalt
(4) Calcium
Answer: (3) Cobalt.
Question 74. Vitamine acts as —
(1) enzyme
(2) co-enzyme
(3) solvent
(4) promoter
Answer: (2) co-enzyme.
Question 75. Caroten is the provitamin of —
(1) VitA
(2) Vit D
(3) Vit C
(4) Vit K
Answer: (1) Vit A.
Question 76. An example of antivitamin is —
(1) Ergosterol
(2) Avidin
(3) Carotene
(4) None of these
Answer: (2) Avidin.
Question 77. Nyctalopia is caused due to the deficiency of —
(1 VitC
(2) Vit D
(3) VitK
(4) VitA
Answer: (4) Vit A.
Question 78. A bone disease due to the deficiency of Vit D is —
(1) Xeropthalmia
(2) Osteomalacia
(3) Beri-beri
(4) Night blindness
Answer: (2) Osteomalacia.
Question 79. The symptoms 3D disease for
(1) Anaemia
(2) Scurvy
(3) Pellagra
(4) Rikets
Answer: (3) Pellagra.
Question 80. The chemical name of Vit E is —
(1) Calciferol
(2) Thiamine
(3) Tocopherol
(4) Riboflavin
Answer: (3) Tocopherol.
Question 81. A total stem parasite is
(1) Cuscuta
(2) Dodder
(3) Swarnlata
(4) All
Answer: (4) All.
Question 82. A partial saprophytic plant is
(1) Mucor
(2) Agaricus
(3) Montropa
(4) Pinus
Answer: (4) Pinus
Question 83. An insectivorous plant is
(1) Nepenthes
(2) Cascuta
(3) Orchid
(4) Cycas
Answer: (1) Nepenthes.
Question 84. The optimum temperature for enzyme activity is —
(1) 20-25°C
(2) 30-40°C
(3) 35-40°C
(4) 30-55°C
Answer: (3) 35—40°C
Question 85. The bile juice is stored in—
(1) Liver
(2) Pancreas
(3) Spleen
(4) Gall bladder
Answer: (4) Gall bladder.
Question 86. The proteolytic enzyme present in intestinal juice is —
(1) Pepsin
(2) Trypisn
(3) Erepsin
(4) Ptyalin
Answer: (3) Erepsin.
Question 87. Lacteals are present in—
(1 Villi
(2) Alveoli
(3) Stomach
(4) Mouth
Answer: (1) Villi.
Question 88. Milk does not contain ~
(1) Vit C
(2) Iron
(3) Calcium
(4) Both a and c
Answer: (1) Vit C.
Question 89. Which of the following supplies nitrogen to the body ?
(1) Carbohydrate
(2) Fat
(3) Protein
(4) Vitamin
Answer: (3) Protein.
Question 90. Which one of the following vitamins is water soluble ?
(1) VitA
(2) Vit C
(3) Vit D
(4) VitE
Answer: (3) Vit C.
Question 91. The major reason of anaemia in human body is the deficiency of
(1) Iodine in food
(2) Calcium in food
(3) Magnesium in food
(4) Iron in food
Answer: (4) Iron in food.
Question 92. The partly digested food in stomach is called —
(1) Chyte
(2) Chyme
(3) Mastication
(4) Chewing
Answer: (2) Chyme.
Question 93. Which one is non-functional in human ?
(1) Caecum
(2) Colon
(3) Gall bladder
(4) Rectum
Answer: (1) Caecum.
Question 94. The largest digestive gland in human body is =
(1) Pancreas
(2) Gastric gland
(3) Liver
(4) Salivary gland
Answer: (3) Liver.
Question 95. Asymbiontic association between plants and animals is —
(1) Algae and fungi
(2) Zoochlorella and hydra
(3) Bacteria and fungi
(4) None of these
Answer: (2) Zoochlorella and hydra.
Question 96. Which one is the heterotrophs from —
(1) Mango
(2) Neem
(3) Mucor
(4) Hibiscus
Answer: (3) Mucor.
Question 97. An organism who breaks up the food before ingestion is —
(1) Tapeworm
(2) Round worm
(3) Bacteria
(4) Cat
Answer: (3) Bacteria.
Question 98. Which one is the example of roughage ?
(1) Pulses
(2) Rice
(3) Dalia
(4) Mango
Answer: (3) Dalia.
Question 99. The process of formation of glycogen from glucose takes place in —
(1) Muscle
(2) Liver
(3) Stomach
(4) Both muscle and liver
Answer: (4) Both muscle and liver
Question 100. The process by which glycogen is breaking down to glucose is called—
(1) Glycogenesis
(2) Glycogenolysis
(3) Glucogenesis
(4) All of these
Answer: (2) Glycogenolysis.
Question 101. Simplest Carbohydrate is —
(1) Polysacchrides
(2) Disacchrides
(3) Monosacchrides
(4) Amino acids
Answer: (3) Monosacchrides.
Question 102. The protein part of an enzyme is —
(1) Co-enyme
(2) Apoenzyme
(3) Prosthetic group
(4) None of these
Answer: (1) Co-enyme.
Question 103. The scientist who first introduced the term enzyme is —
(1) Munch
(2) Lindeman
(3) Kuhn
(4) Loandsteiner
Answer: (3) Kuhn.
Question 104. The digestive juice that does not contain enzymes is —
(1) Saliva
(2) Gastric juice
(3) Bile juice
(4) Pancreatic juice
Answer: (3) Bile juice.
Chapter 3 Physiological Processes Of Life Circulation MCQs
Question 1. Blood of which of the following animals does not contain RBC ?
(1) Earthworm
(2) Toad
(3) Man
(4) Fish
Answer: Blood of Earthworm does not contain RBC.
Question 2. Which one of the following three is not seen in the open type of circulatory system ?
(1) Artery
(2) Haemocoel
(3) Capillary
Answer: Capillary is not seen in the open type of circulatory system.
Question 3. In the blood of which of the following animals, haemocyanin is present ?
(1) Earth worm
(2) Prawn
(3) Cockroach
(4) Toad
Answer: In the blood of Prawn haemocyanin is present.
Question 4. In which of the chambers of human heart, oxygenated blood is
received?
(1) Right ventricle
(2) Left auricle
(3) Right auricle
(4) Left ventricle
Answer: In Left auricle of human heart oxygenated blood is received.
Question 5. Main function of white blood corpuscles (WBC) is to —
(1) Produce Red Blood Corpuscles (RBC)
(2) Destroy bacteria
(3) Distribute heat
(4) Clotting of blood
Answer: Main function of white blood corpuscles (WBC) is to destroy bacteria.
Question 6. Lymph returns to blood through —
(1) Capillary
(2) Artery
(3) Vein
(4) Lymph vessel
Answer: Lymph returns to blood through Lymph vessel.
Question 7. The function of right ventricle is
(1) to transmit oxygenated blood
(2) to transmit blood rich in CO2
(3) to receive blood rich in CO2
(4) to receive oxygenated blood
Answer: The function of right ventricle is to transmit blood rich in CO2.
Question 8. Which one of the following in excessive numbers is responsible for Leukemia (Blood cancer) ?
(1) Microbes
(2) Blood platelets
(3) W.B.C
(4) R.B.C
Answer: W.B.C in excessive numbers is responsible for the Leukemia (Blood cancer).
Question 9. Respiratory pigment present in the blood of man is
(1) Haemocyanin
(2) Haemolymph
(3) Haemocyte
(4) Haemoglobin
Answer: Respiratory pigment present in the blood of man is haemoglobin.
Question 10. Open biood circulation is seen in—
(1) Earthworm
(2) Human
(3) Toad
(4) Cockroach
Answer: Open blood circulation is seen in Cockroach.
Question 11. What are the veins having capillaries at both ends called?
(1) Systemic veins
(2) Pulmonary veins
(3) Portal veins
(4) Vena cava
Answer: Veins having capillaries at both ends are called Portal veins.
Question 12. Which one of the following metallic elements is needed in the formation of haemoglobin molecule? [MP-2002]
(1) Magnesium
(2) Iron
(3) Potassium
(4) Calcium
Answer: Iron is needed in the formation of haemoglobin molecule.
Question 13. Lacteal contains —
(1) Deoxygenated blood
(2) Lymph
(3) Plasma
Answer: Lacteal contains lymph.
Question 14. Which vein of man carries oxygenated blood ?
(1) Portal vein
(2) Renal vein
(3) Pulmonary vein
(4) Facial vein
Answer: Pulmonary vein of man carries oxygenated blood.
Question 15. Mitral valve is present at the —
(1) Junction of right atrium and right ventricle
(2) Junction of left atrium and left ventricle
(3) Ventricle and aorta
(4) Ventricle and pulmonary artery
Ans Mitral valve is present at the junction of left atrium and left ventricle.
Question 16. An animal whose blood does not carry oxygen is
(1) Prawn
(2) Fish
(3) Amoeba
(4) Cockroach
Answer: Cockroach blood does not carry oxygen.
Question 17. In which of the following animals is open circulatory system found ?
(1) Prawn
(2) Earth worm
(3) Toad
(4) Man
Answer: Open circulatory system is found in Prawn.
Question 18. The largest cell of the blood is —
(1) Monocyte
(2) Neutrophil
(3) Eosinophil
(4) Lymphocyte
Answer: The largest cell of the bload is Monocyte.
Question 19. What is the name of the element that helps in blood coagulation?
(1) Sodium
(2) Magnesium
(3) Calcium
(4) Phosphorus
Answer: The element that helps in blood coagulation is Calcium.
Question 20. Which one is related with the other three?
(1) Lymphocyte
(2) Monocyte
(3) Leucocyte
(4) Eosinophil
Answer: Leucocyte is related with other three.
Question 21. Which protein is absent in serum?
(1) Fibrinogen
(2) Globulin
(3) Albumin
(4) Bilirubin
Answer: Fibrinogen protein is absent in serum.
Question 22. The function of left auricle in human heart is—
(1) to transmit oxygenated blood
(2) to transmit blood rich in CO2
(3) to receive blood rich in CO2,
(4) to receive oxygenated blood
Answer: The function of left auricle in human heart is to receive oxygenated blood.
Question 23. In the plasma of which of the following animals is hemoglobin present?
(1) Earthworm
(2) Prawn
(3) Cockroach
(4) Toad
Answer: Hemoglobin is present in the plasma of Earthworm.
Question 24. From which of the chambers of human heart is oxygenated blood transmitted to different parts of the body ?
(1) Right auricle
(2) left ventricle
(3) Right ventricle
(4) left auricle
Ans: From Left ventricle of human heart oxygenated blood is transmitted to different parts of the body.
Question 25.____ in the blood of group ‘0’.
(1) Agglutiongen is not present —_
(2) Agglutinin is not present
(3) Agglutinogen ‘A’, is present
(4) Agglutinogen ‘AB’ is present
Answer: Agglutinogen is not present in the blood of group ‘O’.
Question 26. In which pair of following animals haemoglobin is found ?
(1) Man and cockroach
(2) Cockroach and Earthworm
(3) Man and Earthworm
(4) Prawn and cockroach
Answer: Heamoglobin is found in the blood of man and Earthworm.
Question 27. Heparin is secreted from —
(1) Basophil
(2) Neutrophil
(3) Eosinophil
Answer: Heparin is secreted from basophil.
Question 28. Cardiac muscle is
(1) Voluntary striated
(2) Non voluntary striated muscle
(3) Voluntary smooth muscle
(4) Non voluntary smooth muscle
Answer: Cardiac muscle is non-voluntary striated muscle.
Question 29, Lecuocytes which help in antibody formation is
(1) Eosinophil
(2) Neutrophil
(3) Monocyte
(4) Lymphocyte
Answer: Leucocytes which help in antibody formation is lymphocyte.
Question 30. Lymph is a tissue fluid which contains ~
(1) Leucocytes
(2) Serum
(3) Erythrocytes
(4) None of the above
Answer: Lymph is a tissue fluid which contains leucocytes.
Question 31. Which one is the organic part of blood ?
(1) Albumin
(2).Fibrinogen
(3) Calcium
(4) Urea
Answer: Fibrinogen is the organic part of blood.
Question 32. Life of RBC in man is
(1) 90 days
(2) 120 days
(3) 60 days
(4) 220 days
Answer: Life span of RBC in man is 120 days.
Question 33. Suppose your blood group is ‘0’ you can receive blood from a person 1aving blood group —
(1) Group ‘A’
(2) Group ‘B’
(3) Group ‘AB’
(4) Group ‘0’
Answer: Suppose your blood group is ‘0’, You can receive blood from a person having dlood group ‘0’.
Question 34. The plasma protein that helps in clotting of bloodis—
(1) Prothrombin
(2) Albumin
(3) Fibrin
Answer: The plasma protein that helps in the clotting of blood is prothrombin.
Question 35. The kind of cell absent in lymph is —
(1) Monocyte
(2) Lymphocyte
(3) Basophil
Answer: The kind of cell absent in lymph is Basophil.
Question 36. The agglutinin present in Blood Group B is —
(1) Alpha
(2) Beta
(3) both Alpha and Beta
(4) no agglulitinin at all
Answer: The agglutinin present in Blood Group Bis is Alpha.
Question 37. Haemoglobin is dissolved in Plasma in —
(1) Toad
(2) Earthworm
(3) Man
(4) Camel
Answer: Haemoglobin is dissolved in Plasma in Earthworm.
Question 38. A person with ‘A’ blood group can take blood from ___ blood group
(1) A
(2) 0
(3) B
(4) AandO
Answer: A person with ‘A’ blood group can take blood from ‘A’ and ‘O’ blood groups.
Question 39. Blood coagulation is hampered due to the absence of ___.
(1) Vitamin A and Vitamin K
(2) Vitamin D.and Magnesium
(3) Vitamin K and Calcium
(4) Vitamin A and Calcipm
Answer: Blood coagulation is hampered due to absence of Vitamin K and Calcium.
Question 40. Which component of the blood carries O2 & CO2?
(1) red blood corpuscles
(2) white blood corpuscles
(3) red and white blood corpuscles
(4) platelets
Answer: Red blood corpuscles of blood carry O2 & CO2.
Question 41. The blood corpuscle that causes phagocytosis is
(1) RBC
(2) Platelets
(3) Lymphocyte
(4) Neutrophil
Answer: The blood corpuscle that causes phagocytosis is Neutrophil.
Question 42. In which pair of the following animals haemoglobin is found ?
(1) man and cockroach
(2) mosquito and earthworm
(3) man and earthworm
(4) Prawn and cockroach
Answer: Haemoglobin is found in the blood of man and earthworm.
Question 43. The existence of solvent molecules from the cell is called-
(1) Endosmosis
(2) Exosmosis
(3) Diffusion
(4) Turgidity
Answer: (2) Exosmosis
Question 44. The transport of food from leaf to different parts of the plant is called-
(1) Transpiration
(2) Translocation
(3) Guttation
(4) Circulation
Answer: (2) Translocation
Question 45. Instrument used to measure the rate of transpiration is —
(1) Sphygmomanometer
(2) Ganong’s potometer
(3) Spirometer
(4) Speedometer
Answer: (2) Ganong’s potometer
Question 46. In hydra and starfish, the medium of circulation is —
(1) blood
(2) lymph
(3) water
(3) salt
Answer: (3) water
Question 47. Non-protein nitrogenous substance (NPN) is —
(1) urea
(2) uric acid
(3) creatinine
(4)all
Answer: (4) all
Question 48. The life span of plateletes is —
(1) 1-5 days
(2) 15-20 days
(3) 5-9 days
(4) 100-150 days
Answer: (3) 5-9 days
Question 49. Bile pigments are —
(1) Haemoglobin and haemocyanin
(2) Bilirubin and biliverdin
(3) Plasma and Serum
(4) Platelets
Answer: (2) Bilirubin and biliverdin
Question 50. The ratio of WBC and RBC in our body is roughly —
(1) 1: 20
(2) 1: 100
(3) 1: 500
(4) 1: 700
Answer: (4) 1: 700
Question 51. The WBC cells which are phagocytic in nature are —
(1) Neutrophill
(2) Lymphocytes
(3) Monocytes
(4) Both a and b
Answer: (4) Both a and b
Question 52. Serotonin is secreted from —
(1) Platelets
(2) Basophils
(3) Neutrophills
(4) Eosinophils
Answer: (1) Platelets
Question 53. Heparin, an anicoagulant, is secreted from —
(1) Eosinophil
(2) Basophil
(3) Neutrophil
(4) None of these
Answer: (2) Basophil
Question 54. Haemocyanin is a copper containing pigment of blood found in —
(1) Earthworm
(2) Crab
(3) Tape worm
(4) All of these
Answer: (2) Crab
Question 55. Blood circulation is described by —
(1) William Harvey
(2) Karl landsteiner
(3) August Weisman
(4) Lindemann
Answer: (1) William Harvey
Question 56. The breaking down of RBC is called —
(1) Phagocytosis
(2) Pinacytosis
(3) Haemolysis
(4) Blood clotting
Answer: (3) Haemolysis
Question 57. The elements used in blood clotting is—
(1) Sodium
(2) Potassium
(3) Calcium
(4) Carbon
Answer: (3) Calcium
Question 58. Open circulatory system is found in—
(1) Cockroach
(2) Grasshopper
(3) Snail
(4) All of these
Answer: (4) All of these.
Question 59. Mitral valve is located
(1) between left auricle and left veutricle
(2) between right auricle and right veutricle
(3) between left ventricle and Aorta
(4) none of these
Answer: (1) between left auricle and left ventricle
Question 60. Haemophilia is a –
(1) Bacterial disease
(2) Protozoan disease
(3) Genetic disorder
(4) Viral disease
Answer: (3) Genetic disorder
Question 61. Canal system as circulatory system is found in —
(1) hydra
(2) earthworm
(3) sponges
(4) tapeworm
Answer: (3) sponges
Question 62. In cockroach, the heart is made up of —
(1) four pairs of Pulsatile tubes
(2) asmall sac like
(3) thirteen funnel shaped chamber
(4) three chambered.
Answer: (3) thirteen funnel shaped chamber
Question 63. The covering membrane of heart is —
(1) Meninges
(2) Pleura
(3) Pericardium
(4) Peristoem
Answer: (3) Pericardium
Question 64. The wall of capillaries is formed by —
(1) Endothelium
(2) Exothelium
(3) Mesodirm
(4) All of these
Answer: (1) Endothelium
Question 65. The circulating medium of insect is called —
(1) haemoglobin
(2) haemocyanin
(3) haemolymph
(4) none of these
Answer: (3) haemolymph
Question 66. Ascent of sap in plants takes place through —
(1) Seive tube
(2) Xylem parenchyma
(3) Xylem vessels
(4) Companion cells
Answer: (3) xylem vessels
Question 67. Cohesive – adhesive force theory was proposed by —
(1) Stephan and Hales
(2) Curtis
(3) Dixon and jolly
(4) Munch
Answer: (3) Dixon and jolly
Question 68. Non-nucleated corpusecles present in human blood is —
(1) Leucocytes
(2) Erythrocytes
(3) Lymphocytes
(4) aandc
Answer: (2) Erythrocytes
Question 69. Smallest blood corpuscles is —
(1) Thrombocytes
(2) Erythrocytes
(3) Phagocytes
(4) Monocytes
Answer: (1) Thrombocytes
Question 70. Universal donor is —
(1) group ‘O’ individual
(2) group ‘AB’ individual
(3) group ‘B’ individual
(4) group ‘A’ individual
Answer: (1) group ‘O’ individual
Question 71. Largest artery is —
(1) Vena cava
(2) Aorta
(3) Capillaries
(4) Veins
Answer: (2) Aorta
Question 72. In the absence of which vitamin, blood coagulation does not take place?
(1) vit-A
(2) vit-B12
(3) vit-C
(4) vit-K
Answer: (4) vit-K
Question 73. Which of the following animals has hemoglobin in its plasma?
(1) Earthworm
(2) Prawn
(3) Cockroach
(4) Toad
Answer: (1) Earthworm
Question 74. Which two animals have hemoglobin in their blood?
(1) human and cockroach
(2) cockroach and earthworm
(3) prawn and cockroach
(4) human and earthworm.
Answer: (4) human and earthworm.
Question 75. Which of the follwing metallic elements is required for the synthesis of haemoglobin molecule?
(1) Magnesium
(2) Calcium
(3) Iron
(4) Potassium
Answer: (3) Iron
Chapter 3 Physiological Processes Of Life Excretion MCQs
Question 1. Which of the following alkaloids is found in Rauvolfia?
(1) Morphine
(2) Nicotine
(3) Reserpine
(4) Quinine
Answer: (3) Reserpine.
Question 2. Which one is not a nitrogenous waste product ?
(1) Quinine
(2) Creatin
(3) Daturine
(4) Tanin
Answer: (4) Tanin.
Question 3. Sweat gland is present in —
(1) Kidney
(2) Lungs
(3) Skin
(4) Liver
Answer: (3) Skin.
Question 4. Latex is the excretory product of —
(1) Arjuna
(2) Rubber
(3) Sajina
(4) Apple
Answer: (2) Rubber.
Question 5. The hormone produced in kidney is —
(1) Erythropoietin
(2) ADH
(3) Vassopressin
(4) None of these
Answer: (1) Erythropoietin.
Question 6. Cystolith contain —
(1) Oxylate
(2) Calcium Carbonate
(3) Potassium nitrate
(4) All of these
Answer: (2) Calcium Carbonate.
Question 7. Which of the following alkaloids is found in Cinchona ?
(1) Nicotin
(2) Reserpine
(3) Morphine
(4) Quinine
Answer: (4) Quinine.
Question 8. Raphide is found in —
(1) Banyan
(2) Arum
(3) Guava
(4) Apple
Answer: (2) Arum.
Question 9. Where does ornithine cycle operate ?
(1) In stomach
(2) In liver
(3) In kidney
(4) In spleen
Answer: (2) In liver.
Question 10. Which material makes urine faintly yellowish ?
(1) Blood
(2) Bilirubin
(3) Haemoglobin
(4) Bile pigment
Answer: (2) Bilirubin.
Question 11. Which animal has nephridia as excretory organ ?
(1) Cockroach
(2) Leech
(3) Toad
(4) Tape worm
Answer: (2) Leech.
Question 12. Which of the following alkaloids is used to decrease blood pressure in human ?
(1) Nicotine
(2) Reserpine
(3) Quinine
(4) Morphine
Answer: (2) Reserpine.
Chapter 3 Physiological Processes Of Life Transpiration
Question 1. The loss of unused water of the plant body liberated into the atmosphere in the form of vapour is called —
(1) Evaporation
(2) Transpiration
(3) Guttation
(4) None of these
Answer: (2) Transpiration
Question 2. Transpiration is least in —
(1) High wind velocity
(2) High atmospheric humidity
(3) Dry soil moisture
(4) Dry environment
Answer: (3) Dry soil moisture
Question 3. Which one is an internal factor transpiration ?
(1) Light
(2) Temperature
(3) Wind velocity
(4) Structure of leaf
Answer: (4) Stucture of leaf
Chapter 3 Physiological Processes Of Life Movement Of Water, Minerals, Food And Gases
Question 1. Movement of water in the cortex of root outside to inside is due to —
(1) gradient of chemical potential
(2) gradient of water potential
(3) accumlation of inorganic salts
(4) accumulation of organic solutes
Answer: (5) gradient of water potential
Question 2. The extracellular solutions which contain less concentration of the solutes and having higher solvent concentration than the cytoplasm are known as—
(1) Isotonic solution
(2) Hypertonic solution
(3) Hypotonic solution
(4) None of these
Answer: (3) Hypotonic solution
Question 3. The active hydrostatic pressure created in the parenchymatous cortical cells of the roots is called —
(1) Turgor pressure
(2) Osmotic pressure
(3) Suction pressure
(4) Root pressure
Answer: (1) Turgor pressure
Question 4. Membrane which allows all the molecules or ions of a solution (both solute and solvent molecules) to pass through itis called —
(1) Impermeable membrane
(2) Permeable membrane
(3) Semi-permeable membrane
(4) Selectively permeable membrane
Answer: (2) Permeable membrane
Question 5. Which one is largely responsible for ascent of sap ?
(1) capillary theory
(2) pulsation theory
(3) root pressure theory
(4) cohesion force and transpiration pull theory
Answer: (2) pulsation theory
Question 6. Whaich one of the following helps in ascent of sap ?
(1) capillarity
(2) root pressure
(3) transpiration
(4) all of these
Answer: (4) all of these
