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- Question
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
- Correct Answer
- different, identical
- 1. In plant cell culture media, auxins and cytokinins are used in the range of
Options- A. l-50?M
- B. 50-100?M
- C. 100-125?M
- D. more than 125?M Discuss
- 2. 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
- 3. Which of the following adaptations would it be desirable for a farmer to breed into a crop of wheat?
Options- A. Early ripening
- B. Resistance to disease
- C. Resistance to pests
- D. All of these Discuss
- 4. Pollination is the process by which plants transfer male sex cells from one plant to another. How does the nucleus of the male cell reach the female cell?
Options- A. It travels on the legs of bees and sticks to the egg cell
- B. The pollen grain grows a pollen tube and the nucleus travels down the pollen tube to reach the egg cell
- C. It blows in the wind
- D. None of the above Discuss
- 5. Which of the following subgroup/(s) belong/(s) to the Baculo viruses?
Options- A. Nuclear polyhedrosis viruses
- B. Granulosis viruses
- C. Oryctestypes
- D. All of these Discuss
- 6. 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
- 7. The transfer of intermediate vectors into Agrobacterium are brought about by
Options- A. transformation
- B. biparental mating
- C. triparental mating
- D. transduction Discuss
- 8. 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
- 9. 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
- 10. 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
More questions
Correct Answer: l-50?M
Correct Answer: first division is equational, second is reductional
Correct Answer: All of these
Correct Answer: The pollen grain grows a pollen tube and the nucleus travels down the pollen tube to reach the egg cell
Correct Answer: All of these
Correct Answer: criss-cross inheritance
Correct Answer: triparental mating
Correct Answer: Glutamine change to valine
Correct Answer: 5-10 days
Correct Answer: 100 kbp
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