1. Multiple choice questions I

3 m.

1. Which of the following statements about the autotrophs is incorrect?

They convert carbon dioxide and water into carbohydrates in the absence of sunlight
They synthesise carbohydrates from carbon dioxide and water in the presence of sunlight and chlorophyll
They constitute the first trophic level in food chains
They store carbohydrates in the form of starch

2. In which of the following groups of organisms, food material is broken down outside the body and absorbed?

3. Select the correct statement

Heterotrophs synthesise their own food
Heterotrophs utilise solar energy for photosynthesis
Heterotrophs are capable of converting carbon dioxide and water into carbohydrates
Heterotrophs do not synthesise their own food

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