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SAI International School
Subject- Biology, Class-VII

Topic-Nutrition in Animals
Subtopic- Human Digestive System-II
Module- 8
Home Assignment- II
Worksheet-1

Q1. The process of breakdown of complex molecules in a food into simple soluble
molecules is called -
(a) Ingestion (b) Absorption (c) Digestion (d) Assimilation
Q2. ____________ is not a part of our alimentary canal.
(a) Mouth (b) stomach (c) oesophagus (d) Salivary gland.

Q3. Match the following –

Organisms Organ for ingestion
1.Frog i. Proboscis
2.butterfly ii. long tongue
3.herbivores iii. tentacles
4.Hydra iv. Mouth

(a) 1.- i,2.-ii , 3.- iii, 4.-iv
(b) 1.-ii, 2.-i, 3.-iv, 4.-iii
(c) 1.-iv, 2.-iii, 3.-ii, 4.-i
(d) 1.-iii, 2.-iv, 3.-i, 4.-ii

Q4. Choose the correct option from the following:
(a) If both Assertion and Reason are correct and Reason is the correct
explanation of Assertion.
(b) If both Assertion and Reason are correct, but Reason is not the correct
explanation of Assertion.
(c) If Assertion is correct but Reason is incorrect.
(d) If Assertion is incorrect but Reason is correct.
(e) If Assertion & Reason both are incorrect.
Assertion (A): glands play an important role in the process of digestion
Reason (R): Glands break down simpler molecules into complex molecules
present in food.

Q5. Choose the correct option from the following:
(a) If both Assertion and Reason are correct and Reason is the correct
explanation of Assertion.
(b) If both Assertion and Reason are correct, but Reason is not the correct
explanation of Assertion.
(c) If Assertion is correct but Reason is incorrect.
(d) If Assertion is incorrect but Reason is correct.
(e) If Assertion & Reason both are incorrect.