Discussion
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- Question
Which of the following molecule is produced from the fixation of CO2 in C4 plants?
Options- A. Malate
- B. Oxaloacetate
- C. Pyruvate
- D. Alpha-ketoglutarate
- Correct Answer
- Oxaloacetate
- 1. What is the metal ligand in chlorophylls?
Options- A. Copper (Cu)
- B. Iron (Fe)
- C. Magnesium (Mg)
- D. Manganese (Mn) Discuss
- 2. In the Calvin cycle of C3 plants, which molecule is the acceptor of CO2?
Options- A. Erythrose-4-phosphate
- B. Ribulose-l,5-diphosphate
- C. Ribose-5-phosphate
- D. Alpha-ketoglutarate Discuss
- 3. A major plant macronutrient found in nucleic acids and proteins is
Options- A. calcium
- B. nitrogen
- C. sulphur
- D. iron Discuss
- 4. Which of the following aid plants in the acquisition of nitrogen from nitrogen gas of the atmosphere?
Options- A. Bacteria
- B. Algae
- C. Nematodes
- D. Moulds Discuss
- 5. Gypsum is beneficial for
Options- A. phosphorus enriched soil
- B. water logged soil
- C. alkaline soil
- D. saline soil Discuss
- 6. 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
- 7. Which of the following bacteria genus is capable of oxidizing ammonia (NH4)?
Options- A. Nitrospina
- B. Nitrobacter
- C. Nitrosococcus
- D. Nitrosobacter Discuss
- 8. Chlorophyll is associated with
Options- A. thylakoids
- B. stroma
- C. cristae
- D. matrix Discuss
- 9. Organisms capable of converting N2 to NO3 are
Options- A. yeasts
- B. bacteria
- C. roundworms
- D. moulds Discuss
- 10. 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
Nitrogen Fixation and Photosynthesis problems
Search Results
Correct Answer: Magnesium (Mg)
Correct Answer: Ribulose-l,5-diphosphate
Correct Answer: nitrogen
Correct Answer: Bacteria
Correct Answer: alkaline soil
Correct Answer: 18 ATP
Correct Answer: Nitrosococcus
Correct Answer: thylakoids
Correct Answer: bacteria
Correct Answer: nitrates
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