1
IAT (IISER) 2025
MCQ (Single Correct Answer)
+4
-1

Which one of the following statements about a plant carotenoid is FALSE?

A

It provides precursor for the synthesis of stress hormone in plants.

B

It protects chlorophyll $a$ from photo-oxidation.

C

It is an accessory pigment which absorbs light at $600-700 \mathrm{~nm}$.

D

It accumulates in chromoplasts during fruit ripening.

2
IAT (IISER) 2024
MCQ (Single Correct Answer)
+4
-1

Which of the following graphs represents the correct relationship between light intensity (Xaxis) and the rate of photosynthesis ( $Y$-axis)?

A

IAT (IISER) 2024 Biology - Photosynthesis in Higher Plants Question 2 English Option 1

B

IAT (IISER) 2024 Biology - Photosynthesis in Higher Plants Question 2 English Option 2

C

IAT (IISER) 2024 Biology - Photosynthesis in Higher Plants Question 2 English Option 3

D

IAT (IISER) 2024 Biology - Photosynthesis in Higher Plants Question 2 English Option 4

3
IAT (IISER) 2020
MCQ (Single Correct Answer)
+4
-1
Which of the following chemical intermediates are products of light in photosynthesis?
A
ATP and NADPH
B
$\mathrm{H}_2 \mathrm{O}$ and NADPH
C
$\mathrm{CO}_2$ and NADPH
D
$\mathrm{CO}_2$ and ATP

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