Discussion
Home ‣ Biotechnology ‣ Nitrogen Fixation and Photosynthesis Comments
- Question
In the presence of carbon monoxide, nitrogen fixation
Options- A. increases
- B. decreases
- C. inhibits
- D. none of these
- Correct Answer
- inhibits
- 1. The chief source of nitrogen for green plants is
Options- A. atmospheric nitrogen
- B. nitrates
- C. ammonium salts
- D. low molecular weight- organic nitrogenous compound Discuss
- 2. Organisms capable of converting N2 to NO3 are
Options- A. yeasts
- B. bacteria
- C. roundworms
- D. moulds Discuss
- 3. Chlorophyll is associated with
Options- A. thylakoids
- B. stroma
- C. cristae
- D. matrix Discuss
- 4. Which of the following bacteria genus is capable of oxidizing ammonia (NH4)?
Options- A. Nitrospina
- B. Nitrobacter
- C. Nitrosococcus
- D. Nitrosobacter Discuss
- 5. During nitrogen fixation the enzyme nitrogenase catalyse the reaction. The reaction is high energy demanding which require approximately
Options- A. 12 ATP
- B. 18 ATP
- C. 25 ATP
- D. 7 ATP Discuss
- 6. Nitrosomonous and Nitrobacter obtain their carbon for growth from
Options- A. organic compounds
- B. carbon dioxide
- C. elementary carbon
- D. none of these Discuss
- 7. What type of long chain alcohol is esterified to plant chlorophyll molecules?
Options- A. Dolichol
- B. Farnesol
- C. Phytol
- D. None of these Discuss
- 8. 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
- 9. Plants absorb nitrates from soil and convert them into
Options- A. urea
- B. ammonia
- C. nitrogen
- D. none of these Discuss
- 10. An organism that relies exclusively on pre-synthesized food molecules is
Options- A. autotrophic
- B. photosynthetic
- C. prokaryotic
- D. heterotrophic Discuss
Nitrogen Fixation and Photosynthesis problems
Search Results
Correct Answer: nitrates
Correct Answer: bacteria
Correct Answer: thylakoids
Correct Answer: Nitrosococcus
Correct Answer: 18 ATP
Correct Answer: carbon dioxide
Correct Answer: Phytol
Correct Answer: photosynthetic unit
Correct Answer: ammonia
Correct Answer: heterotrophic
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