Genetics And Plant Breeding MCQ Question and Answer | Agriculture MCQ Question Page-7 section-5

Section 1 Section 2 Section 3 Section 4 Section 5 Section 6 Section 7 Section 8 Section 9 Section 10

61.
The smallest unit of genetic material that can not be divided but is interchangeable among units refers to

A. Cistron

B. Muton

C. Recon

D. Plasmon

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62.
Organism having one chromosome pair less to the normal somatic complement of the species is

A. Monosomic

B. Nullisomic

C. Trisomic

D. Tetraomic

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63.
Autopolyploidy is known as

A. Hybrid polyploidy

B. Simple polyploidy

C. Segmental polyploidy

D. All of these

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64.
An exchange of genetic material between homologous chromosomes is called

A. Recombination

B. Mutation

C. Crossing over

D. Hybridization

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65.
Match the following columns:

Column I Column II

a. Plasma membrane 1. Water potential

b. Cellulose cell wall 2. Solute potential

c. DPD 3. Permeable

d. Osmotic pressure 4. Semipermeable

A. a-2, b-3, c-4, d-1

B. a-4, b-3, c-1, d-2

C. a-1, b-2, c-3, d-4

D. a-3, b-4, c-2, d-1

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66.
"The ability of a gene to express itself in an individual that carries it" is defined as

A. Dominance

B. Penetrance

C. Expressivity

D. Heterosis

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67.
Which is female reproductive organ in a flower?

A. Carpels

B. Corolla

C. Epicalyx

D. Calyx

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68.
Mass selection is rerely used in

A. Allogamous species

B. Autogamous species

C. A sexually propagated species

D. Seed propagated species

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69.
Which terminology is considered to be correct when two genotypes produce the same phenotype due to different environments?

A. Genotype

B. Phenotype

C. Phenocopy

D. Pleiotropy

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70.
Superiority of F₁ hybrid over a standard commercial variety is called

A. Heterobeltiosis

B. Luxuriance

C. Economic heterosis

D. Relative heterosis

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1 2 3 4 5 6 7 8 9 10

Column I	Column II
a. Plasma membrane	1. Water potential
b. Cellulose cell wall	2. Solute potential
c. DPD	3. Permeable
d. Osmotic pressure	4. Semipermeable

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

61. The smallest unit of genetic material that can not be divided but is interchangeable among units refers to

Answer & Solution

62. Organism having one chromosome pair less to the normal somatic complement of the species is

Answer & Solution

63. Autopolyploidy is known as

Answer & Solution

64. An exchange of genetic material between homologous chromosomes is called

Answer & Solution

65. Match the following columns: Column I Column II a. Plasma membrane 1. Water potential b. Cellulose cell wall 2. Solute potential c. DPD 3. Permeable d. Osmotic pressure 4. Semipermeable

Answer & Solution

66. "The ability of a gene to express itself in an individual that carries it" is defined as

Answer & Solution

67. Which is female reproductive organ in a flower?

Answer & Solution

68. Mass selection is rerely used in

Answer & Solution

69. Which terminology is considered to be correct when two genotypes produce the same phenotype due to different environments?

Answer & Solution

70. Superiority of F1 hybrid over a standard commercial variety is called

Answer & Solution

Read More Section(Genetics and Plant Breeding)

61.
The smallest unit of genetic material that can not be divided but is interchangeable among units refers to

62.
Organism having one chromosome pair less to the normal somatic complement of the species is

63.
Autopolyploidy is known as

64.
An exchange of genetic material between homologous chromosomes is called

65.
Match the following columns:

Column I Column II

a. Plasma membrane 1. Water potential

b. Cellulose cell wall 2. Solute potential

c. DPD 3. Permeable

d. Osmotic pressure 4. Semipermeable

66.
"The ability of a gene to express itself in an individual that carries it" is defined as

67.
Which is female reproductive organ in a flower?

68.
Mass selection is rerely used in

69.
Which terminology is considered to be correct when two genotypes produce the same phenotype due to different environments?

70.
Superiority of F₁ hybrid over a standard commercial variety is called