Question 21
Question 21 of 40
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No letter options?
Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.
A 1, 2 and 3 are correct
B 1 and 2 only are correct
C 2 and 3 only are correct
D 1 only is correct
Topics Tested
6. Plant nutrition
6.1. Photosynthesis

Investigate and describe the effect of light and dark conditions on gas exchange in an aquatic plant using hydrogencarbonate indicator solution

6. Plant nutrition
6.2. Leaf structure

State that most leaves have a large surface area and are thin, and explain how these features are adaptations for photosynthesis

14. Coordination and resp...
14.5. Tropic responses

Describe phototropism as a response in which parts of a plant grow towards or away from the direction of the light source