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- Question
When farmers breed new plants they choose the pollen from one variety of plant and place it onto the stigma of another variety of plant. This type of plant breeding is known as
Options- A. selective breeding
- B. pollination
- C. seed collection
- D. cuttings
- Correct Answer
- selective breeding
- 1. Which of the following(s) is/are the most commonly used markers in yeast?
Options- A. His 3
- B. Ura 3
- C. Trp 1
- D. All of these Discuss
- 2. Which of the following molecule is produced from the fixation of CO2 in C4 plants?
Options- A. Malate
- B. Oxaloacetate
- C. Pyruvate
- D. Alpha-ketoglutarate Discuss
- 3. The volume of O2 liberated in photosynthesis has which of the following ratio to CO2?
Options- A. 1:1
- B. 2:1
- C. 1:2
- D. 3:1 Discuss
- 4. The first therapeutic product formed by means of recombinant DNA technology is
Options- A. human growth hormone
- B. insulin
- C. hepatitis B vaccine
- D. vaccine for foot and mouth disease Discuss
- 5. Chemical energy is supplied to eukaryotic cells by
Options- A. chloroplasts and golgi complexes
- B. mitochondria and ribosomes
- C. mitochondria only
- D. mitochondria and chloroplasts Discuss
- 6. Problems in obtaining large amounts of proteins encoded by recombinant genes can often be overcome by using
Options- A. BACS
- B. expression vectors
- C. YACS
- D. all of these Discuss
- 7. Phagemid consist of
Options- A. plasmid vector carrying ? phage's cos site
- B. plasmid vector carrying ? attachment (? att) site
- C. plasmid vector carrying origin of replication of ? phage only
- D. plasmid vector carrying origin of replication of plasmid only Discuss
- 8. DNA is microinfected into the fertilized egg
Options- A. after the fusion of male and female nuclei
- B. before the fusion of male and female nuclei
- C. at the time of fusion of male and female nuclei
- D. any time, it can be infected Discuss
- 9. Inundation involves use of a/an
Options- A. large number of organisms over a short time to suppress/destroy a population
- B. organism over a short time to suppress/destroy a population
- C. large number of organisms over a long time to suppress/destroy a population
- D. organism over a long time to suppress/destroy a population Discuss
- 10. Which of the following growth regulator is used to stimulate embryo or shoot development?
Options- A. Auxins
- B. Cytokinins
- C. Gibberellins
- D. Brassinosteroids Discuss
More questions
Correct Answer: All of these
Correct Answer: Oxaloacetate
Correct Answer: 1:1
Correct Answer: insulin
Correct Answer: mitochondria and chloroplasts
Correct Answer: expression vectors
Correct Answer: plasmid vector carrying ? attachment (? att) site
Correct Answer: before the fusion of male and female nuclei
Correct Answer: large number of organisms over a short time to suppress/destroy a population
Correct Answer: Gibberellins
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