Which pair is wrong:

1. C3  – Maize
2. C4 – Kranz anatomy
3. Calvin cycle - PGA
4. Hatch and Slack cycle – O.A.A


 

Subtopic:  C4 Cycle (Hatch & Slack Pathway) |
 89%
Level 1: 80%+
AIPMT - 2001
Hints

In the sugarcane plant, 14CO2 is fixed in malic acid because the enzyme that fixes CO2 is:

1. Ribulose biphosphate carboxylase
2. Phosphoenol pyruvic acid carboxylase
3. Ribulose phosphate kinase
4. Fructose phosphatase

Subtopic:  C4 Cycle (Hatch & Slack Pathway) |
 78%
Level 2: 60%+
AIPMT - 2003
Hints

Which one of the following concerns photophosphorylation: 

1. \(\mathrm{ADP}+\mathrm{AMP} \xrightarrow{\text { Lightenergy }} \text { ATP }\)
2. \(\mathrm{ADP}+\text { Inorganic } \mathrm{PO}_4 \xrightarrow{\text { Lightenergy }} \text { ATP }\)
3. \(\text { ADP }+ \text { Inorganic } \mathrm{PO}_4 \rightarrow \text { ATP }\)
4. \(\mathrm{AMP}+\text { Inorganic } \mathrm{PO}_4 \xrightarrow{\text { Lightenergy }} \text { ATP }\)

Subtopic:  Light Reactions :3 |
 81%
Level 1: 80%+
AIPMT - 2003
Hints

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

Subtopic:  Dark Reaction: Biosynthetic Phase |
 90%
Level 1: 80%+
AIPMT - 2002
Hints

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

1. 2 times 2. 4 times
3. 6 times 4. 8 times
Subtopic:  Dark Reaction : Calvin Cycle |
 94%
Level 1: 80%+
AIPMT - 2000
Hints

The first step for initiation of photosynthesis will be:

1. Photolysis of water
2. Excitement of chlorophyll molecule due to absorption of light
3. ATP formation
4. Glucose formation

Subtopic:  Light Reaction: Electron Transport |
 79%
Level 2: 60%+
AIPMT - 2000
Hints

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Photosynthetically active radiation (PAR) represents the following range of wavelengths:
1. 450-950 nm
2. 340-450 nm
3. 400-700 nm
4. 500-600 nm 

Subtopic:  Photosynthetic Pigments |
 88%
Level 1: 80%+
AIPMT - 2004
Hints

During light reaction in photosynthesis, the following are formed

  1. ATP and sugar
  2. hydrogen, O2 and sugar
  3. ATP, hydrogen donor and O2
  4. ATP, hydrogen and O2 donor
Subtopic:  Light Reactions :1 |
 75%
Level 2: 60%+
Hints

Dark reaction in photosynthesis is called so because

1. It can occur in dark also
2. It does not depend directly on light energy
3. It cannot occur during day light
4. It occurs more rapidly at night

Subtopic:  Photosystems |
 94%
Level 1: 80%+
Hints

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Chemiosmotic theory of ATP synthesis in the chloroplasts and mitochondria is based on:

1. Membrane potential

2. Accumulation of K ions

3. Proton gradient

4. Accumulation of Na ions 

Subtopic:  Light Reaction: Photophosphorylation |
 96%
Level 1: 80%+
AIPMT - 2005
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