MCQ on Photosynthesis in Higher Plants




Photosynthesis is the biological process by which green plants, algae, and some bacteria convert sunlight, water, and carbon dioxide into glucose (a form of sugar) and oxygen. This process occurs in chloroplasts and is essential to produce energy-rich molecules, supporting the growth and sustenance of life on Earth. This is article is on Photosynthesis in Higher Plants MCQ with answer key.

Plant Physiology Notes  |  Plant Physiology PPTs  |  Plant Physiology MCQs



1. 
What is the primary pigment responsible for capturing light energy during photosynthesis in plants?

2. 
During photosynthesis, which gas is taken in by plants from the atmosphere?

3. 
Where in the plant cell does the light-dependent reaction of photosynthesis take place?

4. 
What is the primary product of the light-dependent reactions in photosynthesis?

5. 
In which part of the chloroplast do the light-independent reactions (Calvin cycle) occur?

6. 
Which molecule is used to store and transport energy produced during photosynthesis?

7. 
In the Calvin cycle, what molecule is fixed from carbon dioxide to begin the process of glucose synthesis?

8. 
What is the primary function of the stomata in plant leaves during photosynthesis?

9. 
Which color of light is least effective for photosynthesis due to poor absorption by chlorophyll?

10. 
What is the overall chemical equation for photosynthesis?

11. 
What is the role of NADP+ (nicotinamide adenine dinucleotide phosphate) in photosynthesis?

12. 
During photosynthesis, where does the oxygen released as a byproduct come from?

13. 
Which factor can limit the rate of photosynthesis in plants when it is insufficient?

14. 
What is the primary function of the light-dependent reactions in photosynthesis?

15. 
In C4 plants, which cellular adaptation helps minimize water loss during photosynthesis?

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