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SAI International School
Subject- Biology, Class-VII
Chapter- Respiration in Organisms
Subtopic- How do Other Animals Breathe
Module- 16
Home Assignment- II (Worksheet-2)

Q1. In fish, gills are the respiratory organs. Gills are the projections of which
of the following parts?
(a) Nostril
(b) Alimentary canal
(c) Skin
(d) None of these

Q2. Which of the following animals breathe through their skin and lungs?
(a) Fish
(b) Frog
(c) Snake
(d) Earthworm
Q3. Which organism is described in the information given below?
(i) Respire anaerobically
(ii) Used to make wine

(iii) Reproduce by budding

(a) Potato
(b) Grapes
(c) Yeast
(d) Mucor
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): Anaerobic respiration is also called fermentation.

Reason (R): Carbon dioxide produced in alcoholic fermentation but not
produced during lactic acid fermentation.

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