Nutrition in human beings

High importanceUsually 2 marks a paper · mostly MCQs and very short answers · asked in 4 of the last papers

Notes are being written

The board questions below are real and complete — they come from the CBSE papers themselves. The written notes for this topic are still being prepared.

Board questions on this topic

5 from the CBSE papers we hold — the exact wording the board used.

2026MCQ·1 mark·Q1

Observe the given figure and select the statement that correctly states how these fungi obtain nutrition.

Figure printed with question 1 of the 2026 board paper
  1. (a) By eating the bread on which it is growing.
  2. (b) By using nutrients from the bread to prepare their own food.
  3. (c) By breaking down the nutrients of bread outside the body and then absorbing them.
  4. (d) By allowing other organisms to grow on the bread and then consuming them.

2025MCQ·1 mark·Q8

Secretion of less saliva in mouth will effect the conversion of :

  1. (a) proteins into amino acids
  2. (b) fats into fatty acids and glycerol
  3. (c) starch into simple sugars
  4. (d) sugars into alcohol

2024Very short answer·2 marks·Q22

State one role of each of the following in human digestive system: (i) Hydrochloric acid (ii) Villi (iii) Anal Sphincter (iv) Lipase

2023MCQ·1 mark·Q8

An organism which breaks down the food material outside the body and then absorbs it is

  1. (a) a plant parasite, Cuscuta
  2. (b) an animal parasite, Tapeworm
  3. (c) a bacteria, Rhizobium
  4. (d) a fungi, Rhizopus

2023MCQ·1 mark·Q9

Consider the following statements about small intestine and select the one which is NOT correct:

  1. (a) The length of the small intestine in animals differs as it depends on the type of food they eat.
  2. (b) The small intestine is the site of complete digestion of food.
  3. (c) The small intestine receives secretions from liver and pancreas.
  4. (d) The villi of the small intestine absorb water from the unabsorbed food before it gets removed from the body via the anus.