Photosynthesis In Higher Plants Question 100

Question: The first intermediate formed during photosynthesis is [CPMT 2000]

Options:

A) Fructose 1, 6-diphosphate

B) Ribulose 1, 5-biphosphate

C) Xylulose-5-phosphate

D) Phosphoglyceraldehyde

Show Answer

Answer:

Correct Answer: D

Solution:

3 molecules of $ CO_2 $ combine with 3 molecules of RuBP to produce 3 molecules of an unstable 6-C compound which immediately breaks down into molecules of 3-phosphoglyceric acid.