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Photosynthesis

Question 1 of 30

The first event in the Calvin cycle is the attachment of carbon dioxide to the five carbon RuBP molecule, which ____________.

  1. forms a six carbon molecule that immediately breaks down into two three carbon PGA molecules
  2. is a reaction assisted by large quantities of RuBP carboxylase enzyme
  3. decreases cell carbon dioxide levels that increases the diffusion gradient
  4. 1, 2 and 3 are correct
  5. immediately becomes a six carbon sugar that is the base for starch, sucrose, cellulose, etc.

Prize Money

15₹7 Crores
14₹1 Crore
13₹50,00,000
12₹25,00,000
11₹12,50,000
10₹6,40,000
9₹3,20,000
8₹1,60,000
7₹80,000
6₹40,000
5₹20,000
4₹10,000
3₹5,000
2₹2,000
1₹1,000