Chapter 2 Levels Of Organization Of Life MCQs
Question 1. The biomolecules are —
(1) Unique to life
(2) Organic in nature
(3) The product of biological activity
(4) All of these
Answer: (4) All of these.
Question 2. The most abundant inorganic compound in living organism is —
(1) Sodium chloride
(2) Water
(3) Phosphoric acid
(4) Calcium Carbonate
Answer: (2) Water.
Question 3. Goitre results due to the deficiency of —
(1) Iron
(2) Zinc
(3) Iodine
(4) Sodium
Answer: (3) Iodine.
Question 4, Which of the following are derived lipids ?
(1) Stery! ester
(2) Steroids
(3) Neutral fats
(4) Waxes
Answer: (2) Steroids.
Question 5. The sugar present is nucleotide is always —
(1) Deoxyribose
(2) Ribose
(3) Both a and b ”
(4) A pentose sugar
Answer: (4) A pentose sugar.
Question 6. How many types of nitrogenous bases are found in the nucleic acid ?
(1) 2
(2) 4
(3) 5
(4) 6
Answer: (1) 2.
Question 7. Monosacchrides are —
(1) Simple sugar –
(2) Compound sugar
(3) Derived sugar
(4) None
Answer: (1) Simple sugar.
Question 8. Macromolecule is —
(1) Glucose
(2) Nucleic acid
(3) Amino acid
(4) All
Answer: (2) Nucleic acid.
Question 9. An enzyme activator mineral element is —
(1) Mg
(2) Ca
(3) Mn
(4) All
Answer: (4) All.
Question 10. A substance used as heat insulator is —
(1) Corbohydrate
(2) Protein
(3) Lipid
(4) Starch
Answer: (3) Lipid.
Chapter 2 Levels Of Organization Of Life CELL
Question 1. Branch of biology dealing with the study of cells is —
(1) Histology
(2) Cytology
(3) Morphology
(4) Ecology
Answer: (2) Cytology
Question 2. Which structure of animal cell is characterised by selective permeability?
(1) Cell wall
(2) Ribosome
(3) Chromosome
(4) Cell membrane
Answer: (4) Cell membrane
Question 3. Cell membrane is mainly composed of —
(1) Protein and sugar
(2) Protein and lipid t
(3) Starch and lipid
(4) Sugar and minerals
Answer: (2) Protein and lipid
Question 4. Golgi body originates from —
(1) Cell membrane
(2) Endoplasmic reticulum
(3) Cytoplasm
(4) Nuclear membrane
Answer: (2) Endoplasmic reticulum
Question 5. Protein factory of the cell is —
(1) Centrosome
(2) Chromosome
(3) Ribosome
(4) Lysosome
Answer: (3) Ribosome
Question 6. In which one of the following, DNA is absent?
(1) Mitochondria
(2) Chloro plast
(3) Peroxisome
(4) Nucleus
Answer: (3) Peroxisome
Question 7. Suicidal bag of the cell is —
(1) Centrosome
(2) Peroxisome
(3) Lysosome
(4) Chromosome
Answer: (3) Lysosome
Question 8. Which of the following is Lysosome of plant cell?
(1) Sphaerosome
(2) Peroxisome
(3) Glyoxysome
(4) Microsome
Answer: (1) Sphaero some
Question 9. The chief constituent of cell wall is —
(1) Lipid
(2) Salt
(3) Carbohydrate
(4) Protein
Answer: (3) Carbohydrate
Question 10. True nucleus is not found in —
(1) Protozoa
(2) Bacteria
(3) Funge
(4) Algae
Answer: (2) Bacteria
Question 11. Covering membrane of vacuole is — e
(1) Cell wall
(2) Cell membrane
(3) Tonoplant
(4) Chloroplast
Answer: (3) Tonoplast
Question 12. Beside nucleus, DNA is also found in —
(1) Endoplasmic reticulum
(2) Chloroplast
(3) Ribosome
(4) Golgibody
Answer: (2) Chloroplast.
Question 13. Largest cell is —
(1) Ramie fibre
(2) Acetabularia
(3) Egg of ostrich
(4) Neuron
Answer: (3) Egg of ostrich
Question 14. Quantasome remains within —
(1) Chloroplast
(2) Leucoplast
(3) Chromoplast
(4) Tonoplast
Answer: (1) Chloroplast
Question 15. “Power house of the cell” is —
(1) Golgi body
(2) Chloroplast
(3) Mitochondria
(4) Nucleus
Answer: (3) Mitochondria.
Question 16. Who defined protoplasm as a physical basis of life?
(1) Schwann
(2) Watson
(3) Huxley
(4) Dujardin
Answer: (4) Dujardin
Question 17. Dictyosomes are —
(1) Type of ribosomes
(2) Type of flagellalid organelle
(3) Respiratory particle
(4) Golgi bodies
Answer: (4) Golgi bodies
Question 18. The organelle found between cell wall of two cells is called —
(1) Microsome
(2) Middle lamella
(3) Lysosome
(4) Desmosome
Answer: (2) Middle lamella :
Question 19. “Fluid mosaic model” of cell membrane is given by —
(1) Robert Borown
(2) Singer & Nicholson
(3) Schleiden & Schwann
(4) Schimpher
Answer: (2) Singer & Nicholson
Question 20. Hydrolytic enzymes are present in —
(1) Mitochondria
(2) Golgi bodies
(3) Lysosome
(4) Plastids
Answer: (3) Lysosome
Question 21. Which one of the following is the seat of all metabolic activites of the
cell?
(1) Cytoplasm
(2) Nucleus
(3) Mitochondria
(4) Endoplasmic reticulum
Answer: (1) Cytoplasm
Question 22. The “cell theory” is also known as —
(1) Cell biology
(2) Cytology
(3) Cell doctrine
(4) All of these
Answer: (3) Cell doctrine
Question 23. The cell theory was proposed by —
(1) Singer and Nicholson
(2) Schleiden and Schwann
(3) Singer and Schwann
(4) Schleiden and Nicholson
Answer: (2) Scheliden and Schwann’
Question 24. The term “Plastid” was coined by — .
(1) Haeckel
(2) Strasburger
(3) Virchon
(4) Flemming
Answer: (1) Haeckel
Question 25. Protoplasmic strands between adjacent plant cells are —
(1) Ectodesmata
(2) Desmosome
(3) Proto plasmic fibrils
(4) Plasmodesmata
Answer: (4) Plasmodesmata
Question 26. Cristae occurs in —
(1) Golgi bodies
(2) Nucleus
(3) Mitochondria
(4) ER
Answer: (3) Mitochondria
Question 27. Endoplasmic reticulum remains attached to —
(1) Mitochondria
(2) Golgibodies
(3) Nuclear envelope
(4) Chloroplasts
Answer: (3) Nuclear envelope
Question 28. Robert Brown discovered —
(1) Cell wall
(2) Nucleolus
(3) Mitochondria
(4) Nucleus
Answer: (4) Nucleus
Question 29. Which organelle is present only is plants?
(1) Glyoxysome
(2) Ribosome
(3) Lysosome
(4) Peroxysome
Answer: (1) Glyoxysome
Question 30. Leucoplast can be —
(1) Amyloplast
(2) Elaioplast
(3) Aleuroneplast
(4) Any of these
Answer: (4) Any of these
Question 31. Cell theory is the not applicable for —
(1) Bacteria
(2) Fungi
(3) Algael
(4) Virus
Answer: (4) Virus
Question 32. Which one of these cell organelles lacks membrane?
(1) Mesosome
(2) Ribosome
(3) Mitochondria
(4) Liposome
Answer: (2) Ribosome
33. Plant cell normally lacks —
(1) Ribosome
(2) Golgi bodies
(3) Centriole
(4) Cell membrane
Answer: (3) Centriole
34. Which one of the following structure is an organelle within an organelle?
(1) Ribosome
(2) Peroxisome
(3) ER
(4) Mesosome
Answer: (2) Peroxisome
35. What is mitoplast?
(1) Membraneless mitochondria
(2) Another name of mitochondria
(3) Mitochondria without outer membrane
(4) Mitochondria without inner membrane
Answer: (3) Mitochondria without outer membrane
36. The animal cells are interconnected by —
(1) Plasmodesmata
(2) Cell wall
(3) Desmosome
(4) Plasma membrane
Answer: (3) Desmosome
37. Prokaryotic cell does not have —
(1) Nucleolus
(2) Membrane bound organelles
(3) Centrioles
(4) All of these.
Answer: (4) All of these.
Chapter 2 Levels Of Organization Of Life Tissue MCQs
Question 1. Basement membrane is associated with —
(1) Epithelial tissue
(2) Connective tissue
(3) Muscular tissue
(4) Nervous tissue
Answer: (1) Epithelial tissue
Question 2. Nucleus is absent in —
(1) Neutrophil
(2) Eosinophil
(3) Basophil
(4) Erythrocytes
Answer: (2) Eosinophil
Question 3. Intercalated disc is present in —
(1) Striated muscle
(2) Smoooth musele
(3) Cardiac muscle
(4) None of them.
Answer: (3) Cardiac muscle.
Question 4. The outermost covering of neurone is —
(1) Axalemma
(2) Neuro lemma
(3) Myelin sheath
(4) None of them
Answer: (2) Neuro lemma
Question 5. Scale like tissue is represented by —
(1) Squamores epitheliuan
(2) Columnar epithelium
(3) Cuboidal epithelium
(4) Ciliated epithelium
Answer: (2) Columnar epithelium
Question 6. Columnar epithelium is found in —
(1) Stomach
(2) Small intestine
(3) Large intestine
(4) Sweat gland
Answer: (2) Small intestine
Question 7. Lymphoid tissues are found in —
(1) Thymus gland
(2) Sweat gland
(3) Liver gland
(4) Stomach
Answer: (1) Thymus gland
Question 8. The tissue forms padding under the skin is —
(1) Areolar tissue
(2) Adipose tissue
(3) Bone
(4) Cartilage
Answer: (2) Adipose tissue
Question 9. Tendon is an example of —
(1) Cartilage
(2) Fibrous connective tissue
(3) Muscular tissue
(4) Adipose tissue
Answer: (2) Fibrous connective tissue
Question 10. Connective tissue which joins muscle to bones is —
(1) Ligament
(2) Tendon
(3) Cartilage
(4) All
Answer: (2) Tendon
Question 11. The tissue concerned with the perception and response of animals is —
(1) Muscular tissue
(2) Nerve tissue
(3) Connective tissue
(4) Epithelial tissue
Answer: (2) Nerve tissue
Question 12. The tissue present at the joining between two long bones is —
(1) Tendon
(2) Ligaments
(3) Epithelial
(4) Nerve tissue
Answer: (2) Ligaments
Question 13. A part of the body to perform some specified function is —
(1) Cell
(2) Tissue
(3) Organs
(4) System
Answer: (3) OrgAnswer:
Question 14. Tissue is formed by —
(1) Similar cells with same metabolic activity
(2) Similar cells with different metabolic activity
(3) Dissimilar cells with same function
(4) Similar cells with similar origin
Answer: (4) Similar cells with similar origin
Question 15. “Pavement epithelium” refers to —
(1) Columnar epithelium
(2) Squamous epithelium
(3) Cuboidal epithelium
(4) Pseudo stratified epithelium
Answer: (2) Squamous epithelium.
Question 16. Ciliated epithelium in our body is found in —
(1) Vagina
(2) Trachea
(3) Bile duct
(4) Loop of Henley
Answer: (2) Trachea.
Question 17. Who first used the lerm tissue ?
(1) Myer
(2) Mapighi
(3) Xavier
(4) Linneus
Answer: (3) Xavier.
Question 18. Sensory epithelium is modified into —
(1) Squamous epithelium
(2) Columnar cells
(3) Giliated cells
(4) Stratified cells
Answer: (2) Columnar cells.
Question 19. Tearing of ligament is called —
(1) Sprain
(2) Dislocation
(3) Fracture
(4) Break
Answer: (1) Sprain.
Question 20. Which of the following stores histamine and serotonin?
(1) Macrophages
(2) Mast cells
(3) Fibroblasts
(4) Plasma cells
Answer: (2) Mast cells.
Question 21. Haversian system is a feature of —
(1) Reptilean bone
(2) Mammalian bone
(3) Avian bone
(4) All animals
Answer: (2) Mammalian bone
Question 22. Cells forming cartilage are called —
(1) Osteoblast
(2) Fibroblast
(3) Chondrocytes
(4) Epiblasts
Answer: (3) Chondrocytes
Question 23. Mast cells are found in —
(1) Connective tissue
(2) Muscles
(3) Epithelial tissue
(4) Nerve cell
Answer: (1) Connective tissue
Question 24. Adipose tissue is rich in—
(1) Mast cells
(2) Fat cells
(3) Lymphocytes
(4) Monocytes
Answer: (2) Fat cells
Question 25. Most abundant protein in the muscle is —
(1) Actin
(2) Myosin
(3) Myoglobin
(4) Tropomyocin
Answer: (2) Myosin
Question 26. The nerve cells do not have —
(1) Microtubules
(2) Mitochondria
(3) Nucleus
(4) Centrosome
Answer: (4) Centrosome
Question 27. Nodes of Ranvier are found in —
(1) Cyton
(2) Dendron
(3) Axon
(4) Dendrites
Answer: (3) Axon
Question 28. Main property of nervous tissue is —
(1) Contraction
(2) Irritability
(3) Excitability
(4) both b and c
Answer: (4) Both b and c
Question 29. Areolar conncetive tissue joins —
(1) Bone with bones
(2) Fat body with muscle
(3) Integument with muscte
(4) Bone with muscle
Answer: (3) Integument with muscle
Question 30. Which one of the following is not a connective tissue —
(1) Bone
(2) Cartilage
(3) Blood
(4) Muscle
Answer: (4) Muscle
Question 31. Bone marrow is absent in —
(1) Reptilia
(2) Amphibia
(3) Mammalia
(4) Birds
Answer: (4) Birds
Question 32. The science which deals with the study of tissue is called —
(1) anatomy
(2) histology
(3) histogen
(4) tissue system
Answer: (2) histology
Question 33. Apical, Intercalary and lateral meristems are differentialed on the basis of —
(1) development
(2) origin
(3) function
(4) position
Answer: (2) origin
Question 34. Intercalary meristem is found in —
(1) Root
(2) Stem tip
(3) Petiole and internodes
(4) Latex
Answer: (3) Petiole and internodes
Question 35. The simple tissue having thinnest wall in plant is —
(1) Parenchyma
(2) Collenchyma
(3) Aerenchyma
(4) Sclerenchyma
Answer: (1) Parenchyma.
Question 36. The xylem of stem is —
(1) Exarch
(2) Endarch
(3) Mesarch
(4) None of them
Answer: (2) Endarch.
Question 37. Vascular bundle in the dicot stem is —
(1) open collateral
(2) closed collateral
(3) open bicollateral
(4) closed bicollateral
Answer: (1) open collateral.
Question 38. The living element of xylem is —
(1) xylem parenchyma
(2) xylem fibre
(3) tracheid
(4) trachea
Answer: (1) xylem parenchyma
Question 39. The photosynthetic parenchyma is —
(1) Chlorenchyma
(2) Idioblast
(3) Aerenchyma
(4) Sclerenchyma
Answer: (1) Chlorenchyma
Question 40. Meristematic tissue originates from —
(1) Pro-meristem
(2) Apical meristem
(3) Lateral meristem
(4) Cambium
Answer: (1) Pro-meristem
Question 41. Example of lateral meristem is —
(1) Cork cambium
(2) Interfascicular cambium
(3) Fascicular cambiun
(4) All of these
Answer: (4) All of these
Question 42. The tissue which consists of dead cells with thickened lignified wall is—
(1) Parenchyma
(2) Collenchyma
(3) Sclerenchyma
(4) None of these
Answer: (3) Sclerenchyma
Question 43. The dead element of phloem tissue is —
(1) Phloem fibre
(2) Phloem parenchyma
(3) Seive tube
(4) Companion cells
Answer: (1) Phloem fibre
Question 44. The category of plant tissue that have lost their ability to multiply is—
(1) Parenchyma
(2) Collenchyma
(3) Sclerenchyma
(4) All of these
Answer: (4) All of these
Question 45. Air cavity containing parenchyma is called —
(1) Chlorenchyma
(2) Aerenchyma
(3) Prosenchyma
(4) Mesenchyma
Answer: (2) Aerenchyma
Question 46. Palisade is a type of —
(1) Parenchyma
(2) Chlorenchyma
(3) Photosynthetic tissue
(4) All of the above
Answer: (4) All of the above
Question 47. Science which deals with the study of tissue is called —
(1) Anatomy
(2) Histology
(3) Tissue System
(4) Histogen
Answer: (2) Histology
Question 48. The cells which can perpetuate themselves are —
(1) Perpetual cells
(2) Permanent cells
(3) Meristematic cell
(4) Old, inactive cell
Answer: (3) Meristematic cell
Question 49. Asimple tissue is always —
(1) Living
(2) Thin walled
(3) Homogenous
(4) Storage
Answer: (3) Homogenous
Question 50. Primary growth in plants occures due to the activity of —
(1) Apical meristem
(2) Intercalary meristem
(3) Cambium
(4) Both a and b
Answer: (4) both a and b
Question 51. A Cambium is always —
(1) Primary in origin
(2) Secondary in origein
(3) Lateral in position
(4) Present in vascular bundle
Answer: (3) Lateral in position
Question 52. Identify the totally dead plant tissue —
(1) Phloem
(2) Xylem
(3) Sclerenchyma
(4) Both b and c
Answer: (3) Sclerenchyma
Question 53. Water conducting elements in angiosperm are —
(1) Vessels
(2) Tracheids
(3) Tracheae
(4) All of these
Answer: (4) All of these
Question 54. The only living component of xylem tissue is —
(1) tracheae
(2) xylem parenchyma
(3) xylem fibre
(4) tracheids
Answer: (2) xylem parenchyma
Question 55. The only dead cell of phloem tissue is —
(1) Phloem fibre
(2) Phloem parenchyma
(3) Seive tube
(4) Companian cell
Answer: (1) Phloem fibre
Question 56. Chlorophyll:containing parenchyma is called —
(1) Sclerenchyma
(2) Collenchyma
(3) Chlorenchyma
(4) Arenchyma
Answer: (3) Chlorenchyma
Question 57. The conducting tissue in plants are —
(1) xylem
(2) phloem
(3) meristematic tissue
(4) both a and b
Answer: (4) both a and b
Question 58. The cells having capacity to divide are—
(1) meristematic cell
(2) xylem
(3) phloem
(4) all
Answer: (1) meristematic cell
Question 59. Parenchyma with large air sacs are called —
(1) Chlorenchyma
(2) Aerenchyma
(3) Collenchyma
(4) Sclerenchyma
Answer: (2) Aerenchyma
Question 60. Cell wall thickened at corner in—
(1) Collenchyma
(2) Parenchyma
(3) Sclerenchyma
(4) None of these
Answer: (1) Collenchyma
Question 61. Stone cells are—
(1) Xylem
(2) Phloem
(3) Sclereids
(4) Fibres
Answer: (3) Sclereids
Question 62. Meristematic tissue develop from —
(1) Permanent tissue
(2) Cambium
(3) Promeristem
(4) Phloem
Answer: (3) Promeristem
Question 63. Most efficient conducting element of xylem is —
(1) Tracheids
(2) Vessels
(3) Xylem fibre
(4) All of these
Answer: (2) Vessels
Chapter 2 Levels Of Organization Of Life Major Organs Of Human Body MCQs
Question 1. Alimentary system is concerned with —
(1) circulation
(2) digestion
(3) respiration
(4) excretion
Answer: (2) digestion
Question 2. The ‘U’ shaped Duodenum is the part of —
(1) first part of the small intestine
(2) middle part of the small intestine
(3) last part of the small intestine
(4) large intestine.
Answer: (1) first part of the small intestine
Question 3. Lungs are the parts of ——
(1) alimentary system
(2) excretory system
(3) respiratory system
(4) circulatory system
Answer: (3) respiratory system
Question 4. Stomach consists of —
(1) two
(2) three
(3) four
(4) five parts
Answer: (1) two
Question 5. Kidney is a part of —
(1) respiratory system
(2) excretory system
(3) circulatory system
(4) alimentary system
Answer: (2) excretory system
Question 6. The pumping organ of blood is —
(1) kidney
(2) lungs
(3) heart
(4) stomach
Answer: (3) heart
Question 7. One of the functions of the alimentary system is —
(1) respiration
(2) digestion
(3) excretion
(4) circulation
Answer: (2) digestion
Question 8. Human heart is composed of — chambers.
(1) one
(2) two
(3) three
(4) four
Answer: (4) four
