Question

Animals depend on plants for

• A. Food alone
• B. Shelter alone
• C. Carbon dioxide
• D. Food and oxygen

Answer 1

The correct option is D

Food and oxygen

The correct option is D.

Explanation of the correct option:

1. Green plants make food in the presence of sunlight using water, minerals and carbon dioxide.
2. They store the excess food in different parts.
3. During the food making process they release oxygen.
4. Human beings and other animals specially herbivores depend on plants for food.
5. Human beings consume plants and parts of plants as food like spinach (leaf), carrot (root), potato (stem), broccoli (flower) and mango (fruit).
6. All animals absorb oxygen which is given out by the plants during the food making process.

Explanation of the incorrect option:

Option A:

Animals specially herbivores depend on plants for food but they also need oxygen for respiration which is given out by plants.

Option B:

Animals such as squirrels birds and details monkeys depend on plants for shelter.

Option C:

Animals don't depend on plants for carbon dioxide, rather plants depend on animals for carbon dioxide that they use during food production.

Final answer: Animals depend on plants for food and oxygen.