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- Question
During the growth of animal cells in culture, it is noticed that the cells do not look very healthy. After an investigation, this is found that there is a lot of lactic acid in the culture fluid. What is probably wrong with this culture?
Options- A. Ethyl alcohol is being produced in excess
- B. The cells have too much oxygen
- C. Glycolysis is being inhibited
- D. The cells do not have enough oxygen
- Correct Answer
- The cells do not have enough oxygen
- 1. Which of the following vector can maintain the largest fragment of foreign DNA?
Options- A. YAC
- B. Cosmid
- C. Plasmid
- D. Phage Discuss
- 2. Tonoplast is a membrane around
Options- A. cytoplasm
- B. vacuole
- C. nucleus
- D. mitochondria Discuss
- 3. The size of the genome of SV 40 is
Options- A. 7.2 kb
- B. 69 kb
- C. 5.2 kb
- D. 110 kb Discuss
- 4. DNA into fish is injected into
Options- A. pronuclei
- B. cytoplasm
- C. both (a) and (b)
- D. none of these Discuss
- 5. The dried malt is the source of
Options- A. amylase
- B. proteinases
- C. both (a) and (b)
- D. cellulase Discuss
- 6. Mitochondria can be expected most numerous in
Options- A. green cells
- B. red blood cells
- C. muscle cells
- D. none of these Discuss
- 7. Plants absorb nitrates from soil and convert them into
Options- A. urea
- B. ammonia
- C. nitrogen
- D. none of these Discuss
- 8. Lysosomes are associated with
Options- A. photosynthesis
- B. respiration
- C. storage
- D. digestion Discuss
- 9. The primary B cell receptor is
Options- A. IgD
- B. IgG
- C. IgA
- D. IgE Discuss
- 10. When a gardener takes a cutting from a plant, indicating that he has made a
Options- A. clone
- B. mutation
- C. new species
- D. new variety Discuss
More questions
Correct Answer: YAC
Correct Answer: vacuole
Correct Answer: 5.2 kb
Correct Answer: cytoplasm
Correct Answer: both (a) and (b)
Correct Answer: muscle cells
Correct Answer: ammonia
Correct Answer: digestion
Correct Answer: IgD
Correct Answer: clone
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