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- Question
The proteins that forms the walls of the microtubules are
Options- A. actin
- B. tubulin
- C. pectin
- D. hydroxyproline
- Correct Answer
- tubulin
- 1. 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
- 2. 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
- 3. 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
- 4. 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
- 5. 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
- 6. 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
- 7. 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
- 8. 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
- 9. 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
- 10. 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
More questions
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
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
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