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Home ‣ Biotechnology ‣ Transport of Molecules in Plant See What Others Are Saying!
- Question
When guard cells swell
Options- A. stomata close
- B. stomata open
- C. photosynthesis stops
- D. evaporation stops
- Correct Answer
- stomata open
- 1. The phase of mitosis which is associated with the formation of the nuclear envelope, is
Options- A. prophase
- B. metaphase
- C. anaphase
- D. telophase Discuss
- 2. When F1 plants are crossed with homozygous recessive plants, it is known as
Options- A. test cross
- B. recessive cross
- C. criss-cross
- D. para-cross Discuss
- 3. Which of the following gene detoxify herbicide bronoxynil?
Options- A. Nitrilase
- B. Glutathione S-transferase (GST)
- C. Phosphinothricin acetyl transferase
- D. All of these Discuss
- 4. Encapsulation is necessary to produce and protect synthetic seeds. The encapsulation is carried out by various types of hydrogels, which are
Options- A. soluble in water
- B. soluble in organic solvents
- C. insoluble in water
- D. insoluble in organic solvents Discuss
- 5. The encapsulation of somatic embryos can be carried out by
Options- A. automatic encapsulation process
- B. gel complexation
- C. both (a) and (b)
- D. coating proteins Discuss
- 6. Synthetic seeds are
Options- A. artificially synthesized seeds
- B. somatic embryos encapsulated in suitable matrix
- C. seeds of plants modified genetically
- D. none of these Discuss
- 7. An ordered array is any collection of analytical elements configured in
Options- A. rows and columns
- B. randomly
- C. circle
- D. none of these Discuss
- 8. 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 Discuss
- 9. Which of the following is correct about micro biosensors?
Options- A. Implantation in human body and are suitable for in-vivo measurements
- B. Can be integrated on one chip and are useful for measuring various substrates in a small amount of sample solution simultaneously
- C. It is possible to develop disposable transducers for biosensors through mass production
- D. All of these Discuss
- 10. 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
More questions
Correct Answer: telophase
Correct Answer: test cross
Correct Answer: Nitrilase
Correct Answer: soluble in water
Correct Answer: both (a) and (b)
Correct Answer: somatic embryos encapsulated in suitable matrix
Correct Answer: rows and columns
Correct Answer: selective breeding
Correct Answer: All of these
Correct Answer: l-50?M
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