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- Question
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
- Correct Answer
- photosynthetic unit
- 1. ACC demainase gene is responsible for
Options- A. synthesis for ethylene
- B. degradation of ACC an immediate precursor to ethylene
- C. both (a) and (b)
- D. synthesis of polygalactouranase Discuss
- 2. Which of the following is not true about the helper plasmids?
Options- A. These can replicate in Agrobacterium
- B. These help in the mediating conjugation of intermediate vectors
- C. These can't replicate in Agrobacterium
- D. All of the above Discuss
- 3. Which of the following transfers a set of genes encoded in a region called T-DNA of the Ti-plasmid into cells at wound positions?
Options- A. A. tumefaciens
- B. L. peruvianum
- C. L. birsutum
- D. A. sterilis Discuss
- 4. What structure forms as a network of protein cables during cell division?
Options- A. Spindle
- B. Aster
- C. Kinetochore
- D. Chromatid Discuss
- 5. Penicillin is produced by
Options- A. aerobic fermentation
- B. anaerobic fermentation
- C. aerobic fermentation followed by anaerobic fermentation
- D. anaerobic fermentation followed by aerobic fermentation Discuss
- 6. In liquid surface culture process for the fermentation to produce citric acid,
Options- A. A. niger is used with solid substrate as sweet potato
- B. A. niger floats on the surface of solution
- C. Fungal mycelium grows through out the solution in a deep tank
- D. both (a) and (b) Discuss
- 7. Plants derived sexually from the same plant are____ while those derived from somatic tissue from the same plant are____.
Options- A. identical, different
- B. different, also different
- C. different, identical
- D. plants cannot be derived from somatic tissue Discuss
- 8. Phosphinothricin acetyl transferase is encoded by
Options- A. gene bxn in Klebsiella pneumoniae
- B. bar gene in Streptomyces spp
- C. both (a) and (b)
- D. none of these Discuss
- 9. Which of the protein is involved in Alzheimer's disease?
Options- A. A4
- B. Amylin
- C. Fibrin
- D. Alzhemin Discuss
- 10. The Zygomonas has a merit over yeast because
Options- A. it has more osmotic tolerance to higher sugar concentration
- B. it has high tolerance to ethanol
- C. it has more specific growth rate
- D. all of the above Discuss
More questions
Correct Answer: degradation of ACC an immediate precursor to ethylene
Correct Answer: These can replicate in Agrobacterium
Correct Answer: A. tumefaciens
Correct Answer: Spindle
Correct Answer: aerobic fermentation
Correct Answer: A. niger floats on the surface of solution
Correct Answer: different, identical
Correct Answer: bar gene in Streptomyces spp
Correct Answer: A4
Correct Answer: all of the above
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