Discussion
Home ‣ Biotechnology ‣ Nitrogen Fixation and Photosynthesis Comments
- Question
An organism that relies exclusively on pre-synthesized food molecules is
Options- A. autotrophic
- B. photosynthetic
- C. prokaryotic
- D. heterotrophic
- Correct Answer
- heterotrophic
- 1. Plants absorb nitrates from soil and convert them into
Options- A. urea
- B. ammonia
- C. nitrogen
- D. none of these Discuss
- 2. 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
- 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
- 4. Nitrosomonous and Nitrobacter obtain their carbon for growth from
Options- A. organic compounds
- B. carbon dioxide
- C. elementary carbon
- D. none of these Discuss
- 5. In the presence of carbon monoxide, nitrogen fixation
Options- A. increases
- B. decreases
- C. inhibits
- D. none of these Discuss
- 6. What is the approximate size (in kb) of the melon mitochondrial genome?
Options- A. 600 kilobase
- B. 1200 kilobase
- C. 2400 kilobase
- D. 3000 kilobase Discuss
- 7. During meiosis crossing over takes place at
Options- A. zygotene stage
- B. diplotene stage
- C. diakinesis stage
- D. pachytene stage Discuss
- 8. Which of the following transposable elements are not found in plants?
Options- A. Ac
- B. Tam3
- C. L1
- D. All are found Discuss
- 9. When do kinetochore microtubules pull chromosomes towards opposite spindle poles?
Options- A. In anaphase A
- B. In anaphase B
- C. In metaphase
- D. In telophase Discuss
- 10. In the meiotic cell divison in daughter cells are produced by two successive division in which
Options- A. first division is equational, second is reductional
- B. first division is reductional and second is equational
- C. both divisions are reductional
- D. both divisions are equational Discuss
Nitrogen Fixation and Photosynthesis problems
Search Results
Correct Answer: ammonia
Correct Answer: photosynthetic unit
Correct Answer: Phytol
Correct Answer: carbon dioxide
Correct Answer: inhibits
Correct Answer: 2400 kilobase
Correct Answer: pachytene stage
Correct Answer: L1
Correct Answer: In anaphase A
Correct Answer: first division is equational, second is reductional
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