Which is wrong for cytochrome P–450?

1.  It contains Fe
2.  It is concerned with oxidation
3.  It is a pigment
4.  It is a coloured cell

What change occurs during conversion of proto chlorophyll to chlorophyll :

1.  Addition of 2H in one pyrrole ring
2.  Loss of 2H
3.  Addition of Mg
4.  Loss of Mg

The first step for initiation of photosynthesis will be:

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

For the assimilation of one CO₂ molecule in C₃ plants, the energy required in the form of ATP and NADPH₂ is:

1. 2 ATP & 2 NADPH₂

2. 5 ATP & 3 NADPH₂

3. 3 ATP & 2 NADPH₂

4. 18 ATP & 12 NADPH₂

Which is the first CO₂ acceptor enzyme in C₄ plants:
1. RuDP Carboxylase
2. Phosphoric acid
3. RUBISCO
4. PEP-Carboxylase

What happens in light reaction (Photo chemical reaction):

1. Formation of ATP and NADPH₂

2. Formation of ATP

3. Formation of sugar

4. Breakdown of sugar

Which pair is wrong:
1.  $C_3$ – Maize
2.  $C_4$ – Kranz anatomy
3.  Calvin cycle - PGA
4.  Hatch and Slack cycle – O.A.A

Which pigment system is inactivated in the red drop:
1.  PS-I and P.S-II
2.  PS – I
3.  PS – II
4.  None

In photosynthesis, energy from light reaction to dark reaction is transferred in the form of:
1. ADP
2. ATP
3. RUDP
4. Chlorophyll