Nitrogen Fixation and Photosynthesis problems
- 1. In the presence of carbon monoxide, nitrogen fixation
Options- A. increases
- B. decreases
- C. inhibits
- D. none of these Discuss
Correct Answer: inhibits
- 2. Nitrosomonous and Nitrobacter obtain their carbon for growth from
Options- A. organic compounds
- B. carbon dioxide
- C. elementary carbon
- D. none of these Discuss
Correct Answer: carbon dioxide
- 3. What type of long chain alcohol is esterified to plant chlorophyll molecules?
Options- A. Dolichol
- B. Farnesol
- C. Phytol
- D. None of these Discuss
Correct Answer: Phytol
- 4. A group of about 300 chlorophyll molecule acting together to trap photons and transfer energy to the pigment molecule at the reaction center may be called as
Options- A. harvesting unit
- B. reaction center
- C. photosynthetic unit
- D. chloromass Discuss
Correct Answer: photosynthetic unit
- 5. Plants absorb nitrates from soil and convert them into
Options- A. urea
- B. ammonia
- C. nitrogen
- D. none of these Discuss
Correct Answer: ammonia
- 6. An organism that relies exclusively on pre-synthesized food molecules is
Options- A. autotrophic
- B. photosynthetic
- C. prokaryotic
- D. heterotrophic Discuss
Correct Answer: heterotrophic
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