Genetics And Plant Breeding MCQ Question and Answer | Agriculture MCQ Question Page-5 section-5

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41.
'Colchicine' is generally used for

A. Chromosome doubling

B. Hybridization

C. Mutation

D. All of the above

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42.
Which of the following is produced during water stress and causes closure of stomata?

A. Abscisic acid

B. Cytokinin

C. Auxin

D. GA₃

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43.
Inbreed lines in maize are maintained by

A. Self pollination

B. Open pollination

C. Cross pollination

D. None of these

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44.
Genomic imprinting occurs in

A. Plants

B. Animals

C. Humans

D. All of these

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45.
Hutchinson proposed which classification?

A. Natural

B. Phylogenetic

C. Systemic

D. Numerical

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46.
A plant having both male and female flower is known to be

A. Monoecious

B. Dioecious

C. Polygamous

D. None of the above

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47.
Which of the following rice variety has been developed through induced mutagenesis

A. IR 8

B. Mahsuri

C. Pankaj

D. Jagannath

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48.
In a cross if we get 8 types of gametes from both male and female parents, the resultant selfing will produce a ratio of

A. 1 : 1 : 1 : 1 : 1 : 1 : 1 : 1

B. 9 : 9 : 9 : 9 : 3 : 3 : 3 : 1

C. 27 : 9 : 9 : 9 : 3 : 3 : 3 : 1

D. 9 : 3 : 3 : 1

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49.
Conditions for Hardy-Weinberg law to operate is

A. Population size should be large

B. Open pollination should be occured

C. Selection should not be carried out

D. All of the above

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50.
Folded fiber model of chromosome organisation was proposed by

A. Flemming

B. Kornberg

C. DuPraw

D. Balbiani

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Genetics And Plant Breeding MCQ Question and Answer | Agriculture MCQ Question

41. 'Colchicine' is generally used for

Answer & Solution

42. Which of the following is produced during water stress and causes closure of stomata?

Answer & Solution

43. Inbreed lines in maize are maintained by

Answer & Solution

44. Genomic imprinting occurs in

Answer & Solution

45. Hutchinson proposed which classification?

Answer & Solution

46. A plant having both male and female flower is known to be

Answer & Solution

47. Which of the following rice variety has been developed through induced mutagenesis

Answer & Solution

48. In a cross if we get 8 types of gametes from both male and female parents, the resultant selfing will produce a ratio of

Answer & Solution

49. Conditions for Hardy-Weinberg law to operate is

Answer & Solution

50. Folded fiber model of chromosome organisation was proposed by

Answer & Solution

Read More Section(Genetics and Plant Breeding)

41.
'Colchicine' is generally used for

42.
Which of the following is produced during water stress and causes closure of stomata?

43.
Inbreed lines in maize are maintained by

44.
Genomic imprinting occurs in

45.
Hutchinson proposed which classification?

46.
A plant having both male and female flower is known to be

47.
Which of the following rice variety has been developed through induced mutagenesis

48.
In a cross if we get 8 types of gametes from both male and female parents, the resultant selfing will produce a ratio of

49.
Conditions for Hardy-Weinberg law to operate is

50.
Folded fiber model of chromosome organisation was proposed by