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- Question
The controversy regarding the use of Bt corn is that it
Options- A. is potentially harmful to monarch butterflies
- B. is a potential allergen to humans
- C. both (a) and (b)
- D. can contaminate groundwater
- Correct Answer
- both (a) and (b)
- 1. Transmission of a gene from male parent to female child to male grand child is known as
Options- A. holandric inheritance
- B. quantitative inheritance
- C. criss-cross inheritance
- D. maternal inheritance Discuss
- 2. The transfer of intermediate vectors into Agrobacterium are brought about by
Options- A. transformation
- B. biparental mating
- C. triparental mating
- D. transduction Discuss
- 3. During sickle cell anemia which of the following takes place?
Options- A. Glutamine change to valine
- B. Valine change to glutamine
- C. Aspartic acid change to glutamic acid
- D. Glutamic acid change to aspartic acid Discuss
- 4. When plated only in nutrient medium, how much time is required for the protoplast to synthesize new cell wall?
Options- A. 2-5 days
- B. 5-10 days
- C. 10-15 days
- D. 15-17 days Discuss
- 5. P1 cloning vector allow cloning of DNA of the length of
Options- A. 100 kbp
- B. 50 kbp
- C. 20 kbp
- D. 10 kbp Discuss
- 6. Which of these carries the thousands of genes needed to allow animal and plant cells to pass on inherited characteristics?
Options- A. Chromosomes
- B. Chromatogram
- C. Chromatography
- D. Chromium Discuss
- 7. pH of culture medium is initially controlled by
Options- A. presence of CO2
- B. presence of bicarbonate buffer
- C. addition of bases
- D. none of these Discuss
- 8. Some types of variation are due to changes in the genetic material. What is this type of change called?
Options- A. Fertilisation
- B. Mutation
- C. Radiation
- D. Sterilisation Discuss
- 9. Which of the following is the word used to describe what happens when the nucleus of a sperm joins with the nucleus of an egg cell?
Options- A. Sex
- B. Fertilisation
- C. Intercourse
- D. Reproduction Discuss
- 10. For culturing, plasma from the adult chicken is preferred to mammalian plasma because
Options- A. it forms a clear and solid coagulum even after dilution
- B. it is too opaque
- C. it doesn't produce solid clots
- D. it forms a semi solid coagulum Discuss
More questions
Correct Answer: criss-cross inheritance
Correct Answer: triparental mating
Correct Answer: Glutamine change to valine
Correct Answer: 5-10 days
Correct Answer: 100 kbp
Correct Answer: Chromosomes
Correct Answer: presence of bicarbonate buffer
Correct Answer: Mutation
Correct Answer: Fertilisation
Correct Answer: it forms a clear and solid coagulum even after dilution
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