In the leaves of C₄ plants, malic acid formation during CO₂ fixation occurs in the cells of :

1. mesophyll	2. bundle sheath
3. phloem	4. epidermis

A plant in your garden avoids photorespiratory losses, has improved water use efficiency, shows high rates of photosynthesis at high temperatures and has improved efficiency of nitrogen utilization. In which of the following physiological groups would you assign this plant?

Phosphoenol pyruvate (PEP) is the primary CO₂ acceptor in:

The oxygenation activity of RuBisCo enzyme in photorespiration leads to the formation of:
1. 1 molecule of the 3-C compound
2.  1 molecule of the 6-C compound
3. 1 molecule of a 4-C compound and 1 molecule of the 2-C compound
4. 2 molecules of the 3-C compound

Study the pathway given below-

In which of the following options, correct words for all the three blanks A, B and C are indicated?

Cyclic photophosphorylation results in the formation of

For the synthesis of one glucose molecule, the Calvin cycle operates for:

In photosynthesis, energy from light reaction to dark reaction is transferred in the form of

The first stable product of CO₂ fixation in sorghum is:

Which of the following statements is incorrect?
1. RuBisCO is a bifunctional enzyme
2. In C₄ plants, the site of RuBisCO activity is mesophyll cell
3. The substrate molecule for RuBisCO activity is a 5-carbon compound
4. RuBisCO action requires ATP and NADPH