Question

D. Choose the odd one out from the following:
1. Photosynthesis, leaves, stomata, nitrogen
2. Algae, green plants, autotrophs, saprotrophs
3. Chloroplasts, green plants, stomata, carbon dioxide
4. Nitrogen, phosphorus, iron, water
5. Sunlight, chlorophyll, carbon dioxide, carbohydrate​

Answer 1

Answer:

1. nitrogen (not involved in photosynthesis)

2. saprotrophs (all others produce their own food)

3. carbondioxide (all others are part of plant)

4. water (all others are elements)

5. carbohydrate (it is a byproduct of photosynthesis)

Explanation:

Answer 2

Answer:

1. nitrogen

2. saprotrophs

3. carbon dioxide

4. water

5. carbohydrate