Genetics And Plant Breeding MCQ Question and Answer | Agriculture MCQ Question Page-4 section-6

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31.
Over dominance hypothesis of heterosis was proposed by

A. Shull and East (1908)

B. Andrew Knight (1800)

C. H. J. Muller (1927)

D. Thomas Fairchild (1717)

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32.
Maximum absorbance of DNA molecule is at . . . . . . . . O_A wave length.

A. 260

B. 380

C. 400

D. 530

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33.
Discovery of emerson enhancement effect has shown the existence of

A. Photophosphorylation

B. Photorespiration and photolysis of water

C. Light and dark reaction in photosynthesis

D. Two distinct photochemical reactions

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34.
Water held strongly by the soil particles around them is known as

A. Capillary water

B. Hygroscopic water

C. Both A and B

D. Rain water

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35.
Two universally accepted Mendel's laws are

A. Law of inheritance

B. Law of segregation

C. Law of independent assortment

D. Both B and C

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36.
Crossing over takes place during

A. Leptotene

B. Zygotene

C. Diplotene

D. Pachytene

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37.
The modern hybrid tea roses were evolved as a result of which of the following crossing

A. Hybrid perpetuals × Tea roses

B. Hybrid perpetuals × Floribunda

C. Floribunda × Tea roses

D. Tea roses × Polyanthus

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38.
Heritability means

A. Interaction of genotype with environment

B. Sum total of hereditary material present in a species

C. Degree of resemblance between the original and the selected plants

D. Proportion of phenotypic variability, which is due to heredity

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39.
The principle path ways by which water is translocation in angiosperms?

A. Xylem vessel system

B. Xylem and phloem together

C. Sieve tube members of phloem

D. None of the above

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40.
The primary acceptor of CO₂ - in C₄ -plants is

A. ATP

B. RuBP

C. PEP

D. Pyruvic acid

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

31. Over dominance hypothesis of heterosis was proposed by

Answer & Solution

32. Maximum absorbance of DNA molecule is at . . . . . . . . OA wave length.

Answer & Solution

33. Discovery of emerson enhancement effect has shown the existence of

Answer & Solution

34. Water held strongly by the soil particles around them is known as

Answer & Solution

35. Two universally accepted Mendel's laws are

Answer & Solution

36. Crossing over takes place during

Answer & Solution

37. The modern hybrid tea roses were evolved as a result of which of the following crossing

Answer & Solution

38. Heritability means

Answer & Solution

39. The principle path ways by which water is translocation in angiosperms?

Answer & Solution

40. The primary acceptor of CO2 - in C4 -plants is

Answer & Solution

Read More Section(Genetics and Plant Breeding)

31.
Over dominance hypothesis of heterosis was proposed by

32.
Maximum absorbance of DNA molecule is at . . . . . . . . O_A wave length.

33.
Discovery of emerson enhancement effect has shown the existence of

34.
Water held strongly by the soil particles around them is known as

35.
Two universally accepted Mendel's laws are

36.
Crossing over takes place during

37.
The modern hybrid tea roses were evolved as a result of which of the following crossing

38.
Heritability means

39.
The principle path ways by which water is translocation in angiosperms?

40.
The primary acceptor of CO₂ - in C₄ -plants is