Genetics And Plant Breeding MCQ Question and Answer | Agriculture MCQ Question Page-1 section-4

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

1.
Reappearance of an ancestral trait after several generations because of recessiveness or masking effects is known as

A. Apomixis

B. Atavism

C. Apogamy

D. Asynapsis

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2.
Pure line is the progeny of

A. Self-heterozygous plant

B. Self-homozygous plant

C. Vegetatively propagated plants

D. Of nucleus seed

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3.
The number of three way crosses are

A. $$\frac{{{\text{n}}\left( {{\text{n}} - 1} \right)\left( {{\text{n}} - 2} \right)}}{2}$$

B. $$\frac{{{\text{n}}\left( {{\text{n}} + 1} \right)\left( {{\text{n}} + 2} \right)}}{2}$$

C. $$\frac{{{\text{n}}\left( {{\text{n}} - 1} \right)\left( {{\text{n}} - 2} \right)\left( {{\text{n}} - 3} \right)}}{8}$$

D. $$\frac{{{\text{n}}\left( {{\text{n}} - 1} \right)\left( {{\text{n}} + 2} \right)\left( {{\text{n}} - 3} \right)}}{6}$$

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4.
Male sterility is used for the production of

A. Composite varieties

B. Hybrid varieties

C. Synthetic varieties

D. Pure line varieties

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5.
Random assortment of genes will occurs when the gene are located on

A. Same chromosome

B. Different chromosome

C. On sex chromosome

D. On autosome

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6.
The method(s) used for fixation of heterosis are

A. Apomixis

B. Polyploid

C. Asexual reproduction

D. All of these

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7.
Embryosac represents

A. Sporophyte

B. Male gametophyte

C. Female gametophyte

D. Microgametophyte

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8.
An amphidiploid between B. nigra and B. campestris is

A. B. napus

B. B. carinata

C. B. juncea

D. N. tomentosa

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9.
Cell lineage theory was proposed by

A. Schlieden

B. Schwan

C. Virchow

D. Robert Hook

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10.
Coating of seeds with biological agents is known as

A. Bio layering

B. Bio priming

C. Bio processing

D. Bio nomics

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

1. Reappearance of an ancestral trait after several generations because of recessiveness or masking effects is known as

Answer & Solution

2. Pure line is the progeny of

Answer & Solution

3. The number of three way crosses are

Answer & Solution

4. Male sterility is used for the production of

Answer & Solution

5. Random assortment of genes will occurs when the gene are located on

Answer & Solution

6. The method(s) used for fixation of heterosis are

Answer & Solution

7. Embryosac represents

Answer & Solution

8. An amphidiploid between B. nigra and B. campestris is

Answer & Solution

9. Cell lineage theory was proposed by

Answer & Solution

10. Coating of seeds with biological agents is known as

Answer & Solution

Read More Section(Genetics and Plant Breeding)

1.
Reappearance of an ancestral trait after several generations because of recessiveness or masking effects is known as

2.
Pure line is the progeny of

3.
The number of three way crosses are

4.
Male sterility is used for the production of

5.
Random assortment of genes will occurs when the gene are located on

6.
The method(s) used for fixation of heterosis are

7.
Embryosac represents

8.
An amphidiploid between B. nigra and B. campestris is

9.
Cell lineage theory was proposed by

10.
Coating of seeds with biological agents is known as