Plant Tissue Culture MCQ Multiple Choice Questions - Page 2 for Practice

Q: 31. The production of secondary metabolites require the use of

Correct Answer is: Cell suspension

Q: 32. To obtain haploid plant, we culture

Correct Answer is: Entire anther

Q: 33. What is meant by Organ culture ?

Correct Answer is: Maintenance alive of a whole organ, after removal from the organism by partial immersion in a nutrient fluid

Q: 34. What is the name of naturally occurring Auxin in plant?

Correct Answer is: Indole 3-acetic acid (IAA)

Q: 35. What is the name of the bacteria known as natural genetic engineer of plants?

Correct Answer is: Agrobacterium tumefaciens

Q: 36. What is/are the benefit(s) of micropropagation or clonal propagation?

Correct Answer is: All of the above

Q: 38. Which breeding method uses a chemical to strip the cell wall of plant cells of two sexually incompatible species?

Correct Answer is: Protoplast fusion

Q: 40. Which of the following is considered as the disadvantage of conventional plant tissue culture for clonal propagation?

Correct Answer is: Storage and transportation of propagates

Q: 41. Which of the following is used in the culture of regenerating protoplasts, single cells or very dilute cell suspensions?

Correct Answer is: Both a and b

Q: 43. Which vector is mostly used in crop improvement?

Correct Answer is: Agrobacterium

31. The production of secondary metabolites require the use of

Protoplast
Cell suspension
Meristem
Auxillary buds

32. To obtain haploid plant, we culture

Entire anther
Nucleus
Embryo
Apical bud

33. What is meant by Organ culture ?

Maintenance alive of a whole organ, after removal from the organism by partial immersion in a nutrient fluid
Introduction of a new organ in an animal body with a view to create genetic mutation in the progenies of that animal
Cultivation of organs in a laboratory through the synthesis of tissues
The aspects of culture in community which are mainly dedicated by the need of a specified organ of the human body

34. What is the name of naturally occurring Auxin in plant?

1-napthaleneacetic acid (NAA)
2,4-Dichlorophenoxyacetic acid (2,4-D)
Indole 3-acetic acid (IAA)
1-napthoxyacetic acid (NOA)

35. What is the name of the bacteria known as natural genetic engineer of plants?

Escherichia coli
Agrobacterium tumefaciens
Pseudomonas aeruginosa
Aspergillus niger

36. What is/are the benefit(s) of micropropagation or clonal propagation?

Rapid multiplication of superior clones
Multiplication of disease free plants
Multiplication of sexually derived sterile hybrids
All of the above

37. When plated only in nutrient medium, how much time is required for the protoplast to synthesize new cell wall?

2-5 days
5-10 days
10-15 days
15-17 days

38. Which breeding method uses a chemical to strip the cell wall of plant cells of two sexually incompatible species?

Mass selection
Protoplast fusion
Transformation
Transpiration

39. Which method of plant propagation involves the use of girdling?

Grafting
Cuttings
Layering
Micropropagation

40. Which of the following is considered as the disadvantage of conventional plant tissue culture for clonal propagation?

Multiplication of sexually derived sterile hybrids
Less multiplication of disease free plants
Storage and transportation of propagates
Both b and c

41. Which of the following is used in the culture of regenerating protoplasts, single cells or very dilute cell suspensions?

Nurse medium
Nurse or feeder culture
Both a and b
None of these

42. Which of the following plant cell will show totipotency?

Xylem vessels
Sieve tube
Meristem
Cork cells

43. Which vector is mostly used in crop improvement?

Plasmid
Cosmid
Phasmid
Agrobacterium

44. Who is the father of tissue culture?

Bonner
Haberlandt
Laibach
Gautheret