MEDIUM
Earn 100

Name the respiratory organs of Earthworm.

Important Questions on Breathing and Exchange of Gases

HARD

How energy is formed from oxidation of carbohydrates, fats and proteins? Correct the diagram given below.

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MEDIUM
What is meant by cellular respiration? Write what happens in cells in the presence or in the absence of oxygen.
MEDIUM

In the experimental set-up shown below, water is found to arise in the delivery tube because
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MEDIUM

Give scientific reasons.

Oxygen is necessary for complete oxidation of glucose.

MEDIUM
Given below are four matchings of an animal and its kind of respiratory organ

(i). Silverfish — Tracheal tubes

(ii). Scorpion — Book lung

(iii). Sea squirt — Pharyngeal gills

(iv). Dolphin — Skin

The correct matchings are