NCERT Class VII Science Solutions: Chapter 2-Nutrition in Animals Part 1

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Multiple Choice Questions

Question 1:

Given below from (i) to (iv) are some food items.

  1. Boiled and mashed potato.
  2. Glucose solution.
  3. A slice of bread.
  4. Mustard oil.

Which of the above will give blue-black colour when tested with iodine?

  1. (i) and (ii)
  2. (i) and (iii)
  3. (ii) and (iii)
  4. (iii) and (iv)

Answer: B

Question 2:

Which of the following pair of teeth differ in structure but are similar in function?

  1. Canines and incisors.
  2. Molars and premolars.
  3. Incisors and molars.
  4. Premolars and canines.

Answer: B

Molars and Premolars Teeth Image

Question 3:

Read carefully the terms given below. Which of the following set is the correct combination of organs that do not carry out any digestive functions?

  1. Esophagus, Large Intestine, Rectum.
  2. Buckle cavity, Esophagus, Rectum.
  3. Buckle cavity, Esophagus, Large Intestine.
  4. Small Intestine, Large Intestine, Rectum.

Answer: A

Digestive System

Question 4:

The swallowed food moves downwards in the alimentary canal because of

  1. Force provided by the muscular tongue.
  2. The flow of water taken with the food.
  3. Gravitational pull.
  4. The contraction of muscles in the wall of food pipe.

Answer: D

Question 5:

The acid present in the stomach

  1. Kills the harmful bacteria that may enter along with the food.
  2. Protects the stomach lining from harmful substances.
  3. Digests starch into simpler sugars.
  4. Makes the medium alkaline.

Answer: A

Question 6:

The finger-like outgrowths of Amoeba helps to ingest food. However, the finger-like outgrowths of human intestine helps to

  1. Digest the fatty food substances.
  2. Make the food soluble.
  3. Absorb the digested food.
  4. Absorb the undigested food.

Answer: C