Carbon dioxide acceptor and carboxylating enzyme in C3 plants are respectively

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Questions Match

1.
Carbon dioxide acceptor and carboxylating enzyme in C₃ plants are respectively

1. PEP, PEPCO2. RuBP, RuBisCO3. OAA, RuBisCO4. 3PGA, RuBisCO

2.
Higher concentration of carbon dioxide (above 1%) have

1. No effect on photosynthesis2. Favourable effect on photosynthesis3. Inhibitory effect on photosynthesis4. None of these

3.
What is the percentage of carbon dioxide present in the atmosphere?

1. 0.03%2. 0.3%3. 1.0%4. 10 to 30%

4.
What will happen if concentration of carbon dioxide increase beyond 360 ppm?

1. All plants will die2. Increase in rate of photosynthesis of C3 plants only3. Increase in rate of photosynthesis of C3 and C4 only4. Increase in rate of photosynthesis of C4 only

5.
High carbon dioxide compensation point is found in

1. C2 plants2. C3 plants3. C4 plants4. Alpine plants

Carbon dioxide acceptor and carboxylating enzyme in C3 plants are respectively