In Hatch and Slack pathway, the primary CO₂ acceptor is -

1. Oxaloacetic acid

2. Phosphoglyceric acid

3. Phosphoenol pyruvate

4. Rubisco

One scientist cultured Cladophora in a suspension of Azotobacter and illuminated the culture by splitting light through a prism. He observed that bacteria accumulated mainly in the region of:

Emerson's enhancement effect and Red drop have been instrumental in the discovery of:

1. Photophosphorylation and non-cyclic electron transport

2. Two photosystems operating simultaneously

3. Photophosphorylation and cyclic electron transport

4. Oxidative phosphorylation

In photosynthesis carbon dioxide is converted to carbohydrates. It is a ......... process.

1. Reductive

2. Oxidative

3. Catabolic and exergonic

4. None of the above

Light reaction in stroma lamellae of the chloroplast results in the formation of:

1. $NADP{H}_2$

2. $ATP+NADP{H}_2$

3. ATP

4. $O_2$

Kranz anatomy can be observed in leaves of:

1. sorghum

2. spinach

3. mustard

4. tulip

The net requirement of assimilatory power for the formation of 6 hexose molecules in maize plant is:

1. 72 ATP, 48 NADPH

2. 90 ATP, 60 NADPH

3. 108 ATP, 72 NADPH

4. 180 ATP, 72 NADPH

'Sun basket' is:

Cyclic -photophosphorylation results in the formation of:
1. NADPH
2. ATP and NADPH
3. ATP, NADPH, and O₂
4. ATP