NEET Biology Class 7 Chapter 6 Digestion Multiple Choice Question and Answers

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Digestion Multiple Choice Question and Answers

Question 1. The sequential steps of digestion are

  1. Ingestion, digestion, assimilation, excretion
  2. Digestion, ingestion, assimilation, excretion
  3. Ingestion, digestion, excretion, assimilation
  4. Excretion, assimilation, digestion, ingestion

Answer: 1. Ingestion, digestion, assimilation, excretion

Question 2. The main role of the digestive system is to facilitate the

  1. Filtration of cellular wastes, toxins and excess water
  2. Exchange of gases between the blood and the organs
  3. Relay of chemical signals through the body and brain
  4. Breakdown and absorption of nutrients essential for growth

Answer: 4. Breakdown and absorption of nutrients essential for growth

“digestive system questions “

Question 3. The mouth, Oesophagus and stomach are organs of the

  1. Respiratory system
  2. Digestive system
  3. Endocrine system
  4. Excretory system

Answer: 2. Digestive system

Question 4. The digestive system begins with the

  1. Oesophagus
  2. Intestine
  3. Stomach
  4. Mouth

Answer: 2. Intestine

Question 5. What is the role of pre-molars?

NEET Biology Class 7 Chapter 6 Digestion MCQs Question 6

  1. Grinding
  2. Cutting
  3. Biting
  4. Slicing

Answer: 1. Grinding

Question 6. Teeth, which are a part of the buccal cavity, help in the mechanical breakdown of food. The given illustration depicts the type of teeth present in the mouth. The teeth that perform the function of piercing and tearing are labelled as

  1. 1
  2. 2
  3. 3
  4. 4

Answer: 2. 2

Question 7. The teeth that help in the biting of food are known as

  1. Incisors
  2. Canines
  3. Premolars
  4. Molars

Answer: 1. Incisors

Question 8. The respective number of incisors, canines, and pre-molars in a human adult are

  1. 12, 4, 4
  2. 8, 4, 8
  3. 8, 8, 4
  4. 4, 4, 12

Answer: 2. 8, 4, 8

Question 9. In humans, the total number of piercing and tearing teeth is

  1. 4
  2. 8
  3. 12
  4. 16

Answer: 1. 4

Question 10. What is the role of molars?

  1. Grinding
  2. Cutting
  3. Tearing
  4. Biting

Answer: 1. Grinding

“questions about the digestive system “

Question 11. What is the role of the tongue during the digestion of food?

  1. Grinding
  2. Mixing
  3. Cutting
  4. Chewing

Answer: 2. Mixing

Question 12. The given illustration represents different regions of taste on the tongue. Suppose Radha eats a salty food item Which labelled region on the tongue will detect the salty taste of the food?

NEET Biology Class 7 Chapter 6 Digestion MCQs Question 12

  1. 1
  2. 2
  3. 3
  4. 4

Answer: 3. 3

Question 13. Salivary glands are present in the buccal cavity and secrete saliva that helps in the digestion of food. Which complex food nutrient is broken down by the saliva into simple compounds?

  1. Fats
  2. Starch
  3. Proteins
  4. Vitamins

Answer: 2. Starch

Question 14. The major organs of the human digestive system are located in the abdominal cavity. Which of the following organs is not a part of the digestive system?

  1. Oesophagus
  2. Stomach
  3. Intestine
  4. Trachea

Answer: 4. Trachea

Question 15. What is the function of the oesophagus?

  1. Churning food
  2. Absorbing the digested food
  3. Removing the undigested food from the body
  4. Transporting food from the mouth to the stomach

Answer: 4. Transporting food from the mouth to the stomach

Question 16. Oesophagus transports food from the _____1_____ to the _____2______. The information in which alternative completes the given statement?

  1. 1- buccal cavity 2- stomach
  2. 1- stomach 2- small intestine
  3. 1- small intestine 2- anus
  4. 1- anus 2- buccal cavity

Answer: 1. 1- buccal cavity 2- stomach

Question 17. Which secretion checks the growth of pathogenic bacteria in the stomach?

  1. Pancreatic juice
  2. Gastric juice
  3. Saliva
  4. Bile

Answer: 2. Gastric juice

Question 18. Which organ secretes hydrochloric acid to kill the bacteria present in the food?

  1. Small intestine
  2. Stomach
  3. Large intestine
  4. Oesophagus

Answer: 2. Stomach

“digestive system quiz 

Question 19. The gastrointestinal tract between the oesophagus and the large intestine includes the 1 and the 2. The given statement is correctly completed by alternative

  1. 1- stomach 2- small intestine
  2. 1- small intestine 2- pancreas
  3. 1- pancreas 2- liver
  4. 1-liver 2-stomach

Answer: 1. 1- stomach 2- small intestine

Question 20. If the stomach were not a part of the digestive system, then

  1. It would not have been possible to consume large quantities of food
  2. The organs of the excretory system would become highly inefficient
  3. One would continuously feel hungry
  4. It would not be necessary to chew food at all

Answer: 1. It would not have been possible to consume large quantities of food

Question 21. Digestion of ____1_____ begins in the stomach and is completed in the small intestine where it is broken down into ____2_____. The information in which alternative completes the given statement?

  1. 1- carbohydrates 2- glucose
  2. 1-proteins 2-glucose
  3. 1- carbohydrates 2- amino acids
  4. 1-proteins 2-amino acids

Answer: 4. 1-proteins 2-amino acids

Question 22. ______1_____ is the part of the alimentary canal that transfers food from the mouth to the _____2_____. The information in which alternative completes the given statement?

  1. 1- oesophagus 2-stomach
  2. 1-oesophagus 2-small intestine
  3. 1-liver 2-stomach
  4. 1-liver 2-small intestine

Answer: 1. 1- oesophagus 2-stomach

Question 23. What is the function of the stomach?

  1. Storing bile juice
  2. Absorbing the digested food
  3. Receiving secretions from the liver and pancreas
  4. Secreting mucous, hydrochloric acid, and digestive juices

Answer: 4. Secreting mucous, hydrochloric acid, and digestive juices

Question 24. The inner lining of the stomach secretes ____1____ that protects the lining of the stomach from the action of ____2___. The information in which alternative completes the given statement?

  1. 1- mucous 2- hydrochloric acid
  2. 1- hydrochloric acid 2- bile juice
  3. 1- bile juice 2- digestive juices
  4. 1- digestive juices 2-mucous

Answer: 1. 1- mucous 2- hydrochloric acid

Question 25. The given represents the passage of food through the alimentary canal. At point B, the food is passing through

NEET Biology Class 7 Chapter 6 Digestion MCQs Question 25

  1. Mouth
  2. Stomach
  3. Small intestine
  4. Large intestine

Answer: 2. Stomach

Question 26. The process of absorption of nutrients takes place in

  1. Stomach
  2. Oesophagus
  3. Large intestine
  4. Small intestine

Answer: 4. Small intestine

“digestive system quizzes “

Question 27. Which is the longest part of the digestive tract with respect to length?

  1. Oesophagus
  2. Small intestine
  3. Large intestine
  4. Colon

Answer: 2. Small intestine

Question 28. Which of the following statements is correct for villi?

  1. It helps in swallowing of food.
  2. It protects the inner lining of the stomach.
  3. It breaks down proteins into peptides.
  4. It increases the surface area for food absorption.

Answer: 4. It increases the surface area for food absorption.

Question 29. The information in Which alternative completes the given table?

NEET Biology Class 7 Chapter 6 Digestion MCQs Question 29

  1. 1- Large intestine 2- Killing of bacteria
  2. 1- Large intestine 2- Absorption of water
  3. 1- Small intestine 2- Killing of bacteria
  4. 1- Small intestine 2- Absorption of water

Answer: 3. 1- Small intestine 2- Killing of bacteria

Question 30. During the process of _____1_____, the digested food in the small intestine enters the ____2______. The information in which alternative completes the given statement?

  1. 1- absorption 2- blood vessels
  2. 1- absorption 2- food pipe
  3. 1- assimilation 2-blood vessels
  4. 1-assimilation 2-food pipe

Answer: 1. 1- absorption 2- blood vessels

Question 31. Which part of the alimentary canal has finger-like projections called villi for the absorption of food?

  1. Large intestine
  2. Small intestine
  3. Stomach
  4. Oesophagus

Answer: 2. Small intestine

Question 32. The breakdown of food is completed in the

  1. Large intestine
  2. Small intestine
  3. Stomach
  4. Rectum

Answer: 2. small intestine

Question 33. The inner lining of the small intestine has numerous finger-like projections called ______1______ that take part in the ____2______ of food. The information in which alternative completes the given statement?

  1. 1- pseudopodia 2- absorption
  2. 1-pseudopodia 2-digestion
  3. 1-villi 2-absorption
  4. 1-villi 2-digestion

Answer: 3. 1-villi 2-absorption

Question 34. The given diagram illustrates the human digestive system. Which part of the human digestive system helps in the absorption of water from undigested food?

NEET Biology Class 7 Chapter 6 Digestion MCQs Question 34

  1. 1
  2. 2
  3. 3
  4. 4

Answer: 3. 4

“digestive system quizzes “

Question 36. Which of the following events takes place in the large intestine?

  1. Absorption of nutrients
  2. Absorption of water
  3. Digestion of starch
  4. Digestion of fats

Answer: 2. Absorption of water

Question 37. The liver is an important gland of the digestive system. The primary function of the liver is to

  1. Produce mucous
  2. Produce hydrochloric acid
  3. Help in the digestion of fats
  4. Help in the digestion of proteins

Answer: 3. Help in the digestion of fats

Question 38. The given illustrates the human digestive system. The buccal cavity is marked as 1, the stomach as 2, the gall bladder as 3, and the liver as 4. Which part of the human digestive system produces bile?

NEET Biology Class 7 Chapter 6 Digestion MCQs Question 38

  1. 1
  2. 2
  3. 3
  4. 4

Answer: 4. 4

Question 39. Jaundice is a disease that affects the liver. A person suffering from jaundice will face maximum difficulty in

  1. Digesting carbohydrates
  2. Absorbing proteins
  3. Absorbing water
  4. Digesting fats

Answer: 4. Digesting fats

Question 40. Many secretory glands are present in the digestive glands. These glands release digestive juices for the digestion of food. Which organ of the digestive system secretes bile?

  1. Liver
  2. Pancreas
  3. Small intestine
  4. Large intestine

Answer: 1. Liver

Question 41. The given illustrates some labelled parts of the human digestive system. The structures that secrete digestive juices are labelled as

NEET Biology Class 7 Chapter 6 Digestion MCQs Question 41

  1. 1, 2, and 3
  2. 2, 4, and 6
  3. 1, 3, and 6
  4. 4, 5, and 6

Answer: 3. 1, 3, and 6

Question 42. The liver produces bile which helps in fat digestion, which occurs in the duodenum. The bile is secreted into the duodenum and excess bile is stored in the organ present between the liver and the duodenum. Which organ stores excess bile secreted by the liver?

  1. Stomach
  2. Gall bladder
  3. Small intestine
  4. Urinary bladder

Answer: 2. Gall bladder

“digestive system quizzes “

Question 43. The liver is the largest gland present in the human body. The bile juice secreted by the liver is stored in the

  1. Salivary glands
  2. Small intestine
  3. Large intestine
  4. Gall bladder

Answer: 4. Gall bladder

Question 44. Which of the following organs help in digesting sugar?

  1. Liver
  2. Rectum
  3. Stomach
  4. Pancreas

Answer: 4. Pancreas

Question 45. The liver secretes bile juice that takes part in the digestion of fats. Digestion of fats results in the formation of which substance?

  1. Glucose
  2. Glycerol
  3. Amino acids
  4. Hydrochloric acid

Answer: 2. Glycerol

Question 46. Salivary glands are present in the

  1. Mouth
  2. Throat
  3. Tongue
  4. Oesophagus

Answer: 1. Mouth

Question 47. During the process of digestion, starch is broken down into

  1. Glucose
  2. Sucrose
  3. Amino acids
  4. Fatty acids

Answer: 1. Glucose

Question 48. A person suffers from a disorder in which his stomach is unable to produce gastric acid. What is the result of the given condition?

  1. Improper digestion of fat
  2. Improper digestion of lipids
  3. Improper digestion of glucose
  4. Improper digestion of proteins

Answer: 4. Improper digestion of proteins

Question 49. The saliva produced in the mouth is responsible for the digestion of

  1. Carbohydrates
  2. Vitamins
  3. Proteins
  4. Fats

Answer: 1. Carbohydrates

Question 50. Shruti took a teaspoonful of boiled rice in test tube 1 and a teaspoonful of chewed rice in test tube 2 She then added 3- 4 mL of water to both the test tubes and then added 2-3 drops of iodine solution to each of the test tubes. The result in terms of changes in colour was observed. Which of the following statements regarding the observation made by Shruti is correct?

  1. The contents of test tube 1 will show no change in colour while the contents of test tube 2 will show a colour change.
  2. The contents of test tube 2 will show no change in colour while the contents of test tube 1 will show a colour change.
  3. The contents of both test tubes 1 and 2 will not show any colour change.
  4. The contents of both test tubes 1 and 2 will show changes in colour.

Answer: 2. The contents of test tube 2 will show no change in colour while the contents of test tube 1 will show a colour change.

Question 51. The incisors in rabbits are used for

  1. Cutting
  2. Biting
  3. Tearing
  4. Grinding

Answer: 1. Cutting

Question 52. The gap between incisors and premolars in rabbits is called

  1. Diasteina
  2. Diastema
  3. Triastema
  4. None

Answer: 2. Diastema

Question 53. Which of the following allows the tongue to manipulate the food

  1. Diasteina
  2. Diastema
  3. Triastema
  4. None

Answer: 2. Diastema

Question 54. Which of the following is absent in carnivores?

  1. Incisors
  2. Canines
  3. Premolars
  4. None

Answer: 4. None

Question 55. In dogs, which of the following helps in grinding and crushing the bones?

  1. Incisors
  2. Canines
  3. Premolars
  4. Molars

Answer: 4. Molars

Question 56. Which of the following parts of the tooth is embedded in the jaw?

  1. Root
  2. Crown
  3. Neck
  4. None

Answer: 1. Root

Question 57. The hardest substance in our body is

  1. Enamel
  2. Dentine
  3. Pulp cavity
  4. None

Answer: 1. Enamel

Question 58. Which of the following contain blood vessels and nerves?

  1. Enamel
  2. Dentine
  3. Pulp cavity
  4. None

Answer: 3. Pulp cavity

Question 59. Teeth problems include

  1. Plaque
  2. Cavities
  3. Decay
  4. All

Answer: 4. All

Question 60. Which of the following should be consumed to prevent plaque formation?

  1. Foods that contain sufficient calcium
  2. Foods that contain sufficient phosphorus
  3. Foods that contain sufficient vitamin D
  4. All the above

Answer: 4. All the above

Question 61. Plaque formation can be avoided by

  1. Not eating foods like sweets, chocolates and ice-creams
  2. Cleaning teeth after eating sweet, sticky food
  3. Using fluoride toothpaste
  4. All the above

Answer: 4. All the above

Question 62. Dental hygiene is very important. It involves keeping the mouth clean and protecting it from dental caries. What causes dental caries?

  1. Poor nutrition
  2. Bacteria
  3. Virus
  4. Excess nutrition

Answer: 2. Bacteria

Digestion Conceptive Worksheet

Question 1. Which step occurs after ingestion?

  1. Assimilation
  2. Absorption
  3. Digestion
  4. Egestion

Answer: 3. Digestion

Question 2. Which of the following organs is not a part of the digestive system?

  1. Kidney
  2. Stomach
  3. Large intestine
  4. Small intestine

Answer: 1. Kidney

Question 3. Which of the following events does not occur inside the mouth?

  1. Wetting of the ingested food with the help of saliva
  2. Crushing of the ingested food with the help of teeth
  3. Breakdown of proteins into simpler compounds
  4. Breakdown of starch into simple sugar

Answer: 3. Breakdown of proteins into simpler compounds

Question 4. The teeth used to bite an apple are the

  1. Molars
  2. Canines
  3. Incisors
  4. Premolars

Answer: 3. Incisors

Question 5. How many teeth does a human adult have?

  1. 26
  2. 28
  3. 30
  4. 32

Answer: 4. 32

Question 6. Teeth are classified according to their shape and function. Incisors are chisel-shaped front teeth. Incisors are specialized for

  1. Cutting
  2. Tearing
  3. Piercing
  4. Grinding

Answer: 1. Cutting

Question 7. Teeth are structures present in the jaws of human beings and animals. In human beings, teeth help in biting, tearing, and chewing of food. Which of the following functions is performed by incisors?

NEET Biology Class 7 Chapter 6 Digestion MCQs Question 7

  1. Biting
  2. Tearing
  3. Chewing
  4. Grinding

Answer: 1. Biting

Question 8. What is the role of canines?

  1. Cutting
  2. Biting
  3. Tearing
  4. Grinding

Answer: 3. Tearing

Question 9. The given illustration represents different regions of taste on the tongue. The region on the tongue that detects a sweet taste is labelled as

  1. 1
  2. 2
  3. 3
  4. 4

Answer: 4. 4

Question 10. The labelled parts in the given illustrate the location of different taste buds on the tongue. The location on the tongue that possesses the taste buds to identify bitter taste is labelled as

NEET Biology Class 7 Chapter 6 Digestion MCQs Question 10

  1. 1
  2. 2
  3. 3
  4. 4

Answer: 4. 4

Question 11. Oesophagus connects the

  1. Mouth to the small intestine
  2. Small intestine to the colon
  3. Mouth to the stomach
  4. Stomach to the large intestine

Answer: 3. Mouth to the stomach

Question 12. Which part of the alimentary tract is not involved in digestion?

  1. Stomach
  2. Mouth
  3. Oesophagus
  4. Small intestine

Answer: 3. Oesophagus

Question 13. Which of the following organs does not secrete digestive enzymes?

  1. Mouth
  2. Liver
  3. Oesophagus
  4. Stomach

Answer: 3. Oesophagus

Question 14. The stomach does not perform the function of

  1. Storing food
  2. Absorbing nutrients
  3. Mixing food with gastric juices
  4. Mashing food into smaller pieces

Answer: 2. Absorbing nutrients

Question 15. The food from the stomach enters the

  1. Rectum
  2. Oesophagus
  3. Small intestine
  4. Large intestine

Answer: 3. Small intestine

Question 16. Digestion of food occurs with the help of

  1. Intestines and kidneys
  2. Heart and intestines
  3. Stomach and mouth
  4. Kidneys and mouth

Answer: 3. Stomach and mouth

Question 17. Which of the following organs aids in the digestion of food?

  1. Stomach
  2. Kidneys
  3. Lungs
  4. Skin

Answer: 1. Stomach

Question 18. Which of the following functions is not performed by the stomach?

  1. Storing food for some time
  2. Absorbing certain chemicals
  3. Breaking food into smaller particles
  4. Releasing bile for the digestion of fat

Answer: 4. Releasing bile for the digestion of fat

Question 19. Where does the digestion of proteins start in the human body?

  1. Mouth
  2. Stomach
  3. Liver
  4. Small intestine

Answer: 2. Stomach

Question 20. Which of the following functions is not performed by the stomach?

  1. Storage of food
  2. Adsorption of water
  3. Digestion of protein
  4. Secretion of bile

Answer: 4. Secretion of bile

Question 21. The process in which the digested food in the small intestine enters the blood vessels is known as

  1. Ingestion
  2. Assimilation
  3. Digestion
  4. Absorption

Answer: 4. Absorption

Question 22. From the stomach, food passes into the

  1. Small intestine
  2. Large intestine
  3. Oesophagus
  4. Rectum

Answer: 1. Small intestine

Question 23. Food is absorbed into the blood in the

  1. Stomach
  2. Oesophagus
  3. Small intestine
  4. Large intestine

Answer: 3. Small intestine

Question 24. Maximum absorption of nutrients from the digested food takes place in the

  1. Stomach
  2. Oesophagus
  3. Small intestine
  4. Large intestine

Answer: 3. Small intestine

Question 25. The absorption of nutrients from digested food occurs in the

  1. Rectum
  2. Oesophagus
  3. Large intestine
  4. Small intestine

Answer: 4. Small intestine

Question 26. What is the function of the small intestine?

  1. Releasing bile juice
  2. Transferring food to the stomach
  3. Absorbing water from undigested food
  4. Absorbing nutrients from the digested food

Answer: 4. Absorbing nutrients from the digested food

Question 27. The given shows the digestive system. In the given, the part that is labelled A is the

NEET Biology Class 7 Chapter 6 Digestion MCQs Question 27

  1. Rectum
  2. Oesophagus
  3. Large intestine
  4. Small intestine

Answer: 3. Large intestine

Question 28. The absorption of water from undigested food takes place in the

  1. Small intestine
  2. Large intestine
  3. Stomach
  4. Liver

Answer: 2. Large intestine

Question 29. Which organ performs the function of absorption of water and minerals?

  1. Large intestine
  2. Small intestine
  3. Stomach
  4. Rectum

Answer: 1. Large intestine

Question 30. The liver is the largest gland in the human body. What is the main function of the liver?

NEET Biology Class 7 Chapter 6 Digestion MCQs Question 30

  1. Secretion of bile
  2. Digestion of proteins
  3. Absorption of nutrients
  4. Transportation of oxygen

Answer: 1. Secretion of bile

Question 31. The liver helps in the digestion of

  1. Fats
  2. Sugar
  3. Protein
  4. Minerals

Answer: 1. Fats

Question 32. The human digestive system is represented in the given. In the given, the organ that secretes bile is labelled

NEET Biology Class 7 Chapter 6 Digestion MCQs Question 32

  1. 5
  2. 4
  3. 3
  4. 1

Answer: 1. 5

Question 33. The liver is situated on the right-hand side of the human body. It plays a major role in digestion by secreting enzymes. Liver secretes

NEET Biology Class 7 Chapter 6 Digestion MCQs Question 33

  1. Bile juice
  2. Pancreatic juice
  3. Insulin
  4. Glycogen

Answer: 1. Bile juice

Question 34. The liver is a very important part of the body and its main function is the secretion of bile. Bile is a digestive fluid. Apart from bile, other secretions control a host of activities. Which of the following statements about the liver is false?

  1. It aids digestion of lipids
  2. It aids digestion of fats
  3. It secretes insulin
  4. It secretes bile

Answer: 3. It secretes insulin

Question 35. Which arrow diagram correctly represents the sequence of digestion?

  1. Mouth →oesophagus→ large intestine → small intestine → stomach → rectum
  2. Mouth → stomach →small intestine → large intestine → oesophagus → rectum
  3. Mouth → oesophagus → stomach → small intestine → large intestine → rectum
  4. Mouth→ oesophagus →rectum → large intestine → stomach → small intestine

Answer: 3. Mouth → oesophagus → stomach → small intestine → large intestine → rectum

Question 36. The process of enzymatic breakdown of food is known as

  1. Absorption
  2. Digestion
  3. Excretion
  4. Assimilation

Answer: 2. Digestion

Question 37. At the end of digestion, the carbohydrates are broken down into

  1. Glucose
  2. Glycerol
  3. Fatty acids
  4. Amino acids

Answer: 1. Glucose

Question 38. The inner lining of the stomach secretes various substances like mucous, hydrochloric acid and digestive juices. The digestive juices secreted by the stomach take part in the digestion of which of the following substances?

  1. Starch
  2. Proteins
  3. Glucose
  4. Vitamins

Answer: 2. Proteins

Question 39. During the process of digestion, fats are broken down into ____1_____ and ____2______. The information in which alternative completes the given statement?

  1. 1- fatty acids 2- glycerol
  2. 1- glycerol 2- amino acids
  3. 1- amino acids 2-glucose
  4. 1- glucose 2-fatty acids

Answer: 1. 1- fatty acids 2- glycerol

Question 40. Bile juice is secreted by the liver and is stored in the gall bladder. Bile juice is chiefly involved in the digestion of

  1. Proteins
  2. Carbohydrates
  3. Fats
  4. Glucose

Answer: 3. Fats

Question 41. Which of the following is absent in herbivores?

  1. Incisors
  2. Canines
  3. Premolars
  4. Molars

Answer: 2. Canines

Question 42. The molars and premolars in herbivores help in

  1. Cutting
  2. Biting
  3. Chewing
  4. Frinding

Answer: 3. Chewing

Question 43. Which of the following in carnivores, helps to grip the food and strip off small pieces of flesh?

  1. Incisors
  2. Canines
  3. Premolars
  4. Molars

Answer: 1. Incisors

Question 44. In humans, each tooth has

  1. Root
  2. Crown
  3. Neck
  4. All

Answer: 1. Root

Question 45. Internally, a tooth has

  1. Enamel
  2. Dentine
  3. Pulp cavity
  4. All

Answer: 4. All

Question 46. Which of the following should be taken to prevent plaque formation?

  1. Sweets
  2. Chocolates
  3. Ice-creams
  4. None

Answer: 4. None

Question 47. Which of the following are adopted for eating flesh, in a dog?

  1. Incisors
  2. Canines
  3. Premolars
  4. Molars

Answer: 2. Canines

Question 48. Which of the following parts of the tooth is projected above the jaw?

  1. Root
  2. Crown
  3. Neck
  4. None

Answer: 2. Crown

Digestion Summative Worksheet MCQs

Question 1. Which of the following helps in the digestion of food?

  1. Nutrients
  2. Hormones
  3. Enzymes
  4. Saliva

Answer: 3. Enzymes

Question 2. Saliva contains an enzyme called

  1. Amylase
  2. Trypsin
  3. Pepsin
  4. None of the above

Answer: 1. Amylase

Question 3. The teeth adapted for flash eating are

  1. Incisors
  2. Premolars
  3. Canines
  4. Molars

Answer: 3. Canines

Question 4. Finger-like projections called villi are present in

  1. Stomach
  2. Large intestine
  3. Small intestine
  4. Liver

Answer: 3. Small intestine

Question 5. Most of the digestion takes place in

  1. Stomach
  2. Small intestine
  3. Large intestine
  4. Rectum

Answer: 2. Small intestine

Question 6. Absorption of food takes place in

  1. Small intestine
  2. Pancreas
  3. Large intestine
  4. Liver

Answer: 2. Pancreas

Question 7. A tooth consists of the following parts:

  1. Gum and crown
  2. Root, crown and neck
  3. Enamel and dentine
  4. Only crown

Answer: 3. Enamel and dentine

Question 8. Absorption of water takes place in

  1. Small intestine
  2. Large intestine
  3. Rectum
  4. Large intestine and rectum

Answer: 2. Large intestine

Digestion Fill In The Blanks

Question 1. Saliva is secreted by the ____________ in the mouth cavity.
Answer: salivary glands

Question 2. Number of molar teeth present in a human adult is ________________.
Answer: 12

Question 3. The teeth which help in biting the food in humans are the ________________.
Answer: Incisors

Question 4. Food is digested by chemicals called ________________
Answer: Enzymes

Question 5. Changing food to a usable form is called ________________
Answer: Digestion

Question 6. The liver and ________________ are found near the stomach.
Answer: Spleen

Question 7. The five steps in the process of nutrition are ________________,
________________, ________________, ________________ and ________________.
Answer: Ingestion, Digestion, Absorption, Assimilation and Egestion

Question 8. The white part of the tooth is called the ________________
Answer: Enamel

Question 9. The part of the tooth embedded in the jaw is called the ________________
Answer: Root

Question 10. In the teeth of a rabbit, ________________ are absent.
Answer: Cannes

Digestion Write True Or False

Question 1. Canines are meant for tearing flesh.
Answer: True

Question 2. Molar teeth are present in a human baby.
Answer: False

Question 3. The mouth cavity is also known as the food pipe.
Answer: True

Question 4. Gastric juice is secreted by the small intestine.
Answer: False

Question 5. Food is mostly digested in the stomach.
Answer: False

Question 6. In humans, there are 14 teeth in each jaw
Answer: False

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