Genetics And Plant Breeding MCQ Question and Answer | Agriculture MCQ Question Page-4 section-7

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

31.
The first interspecific cross between carnation and sweet William species of Dianthus was made up of

A. Thomas Fairchild (1717)

B. Vilmorin (1856)

C. Rimpu (1890)

D. None of these

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32.
A virus free clone from a virus infected plant can be obtained by

A. Tissue

B. Leaf

C. Stem

D. Meristem culture

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33.
Term heterosis was introduced by

A. Davenport (1908)

B. Shull (1914)

C. Hull (1945)

D. Muller (1936)

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34.
If a dihybrid is test crossed, the phenotype ratio of progeny will be

A. 9 : 3 : 3 : 1

B. 9 : 3 : 4

C. 1 : 1 : 1 : 1

D. 12 : 3 : 1

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35.
The chemical mutagens usually induce

A. Chromosomal breakages

B. Translocation

C. Gene mutation

D. None of these

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36.
Match the following columns:

Column I Column II

a. Polytene chromosome 1. With numerous chromosome

b. Lampbrush chromosome 2. Oocytes

c. Aerocentric chromosome 3. Centromere near one end

d. Sat chromosome 4. With a satelite

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

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

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

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

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37.
Aflatoxins are produced by

A. Infected plants

B. Fungi

C. Infected Bacteria

D. Nematodes

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38.
In maize, cross pollination occurs due to

A. Protandry

B. Protogyny

C. Self incompatibility

D. Floral Morphology

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39.
The legumes have flower

A. Monoadelphous

B. Polyadelphous

C. Gynandrous

D. Diadelphous

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40.
Which one is the shortest phase during cell cycle?

A. G1

B. G2

C. S

D. M

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1 2 3 4 5 6 7 8 9 10

Column I	Column II
a. Polytene chromosome	1. With numerous chromosome
b. Lampbrush chromosome	2. Oocytes
c. Aerocentric chromosome	3. Centromere near one end
d. Sat chromosome	4. With a satelite

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

31. The first interspecific cross between carnation and sweet William species of Dianthus was made up of

Answer & Solution

32. A virus free clone from a virus infected plant can be obtained by

Answer & Solution

33. Term heterosis was introduced by

Answer & Solution

34. If a dihybrid is test crossed, the phenotype ratio of progeny will be

Answer & Solution

35. The chemical mutagens usually induce

Answer & Solution

36. Match the following columns: Column I Column II a. Polytene chromosome 1. With numerous chromosome b. Lampbrush chromosome 2. Oocytes c. Aerocentric chromosome 3. Centromere near one end d. Sat chromosome 4. With a satelite

Answer & Solution

37. Aflatoxins are produced by

Answer & Solution

38. In maize, cross pollination occurs due to

Answer & Solution

39. The legumes have flower

Answer & Solution

40. Which one is the shortest phase during cell cycle?

Answer & Solution

Read More Section(Genetics and Plant Breeding)

31.
The first interspecific cross between carnation and sweet William species of Dianthus was made up of

32.
A virus free clone from a virus infected plant can be obtained by

33.
Term heterosis was introduced by

34.
If a dihybrid is test crossed, the phenotype ratio of progeny will be

35.
The chemical mutagens usually induce

36.
Match the following columns:

Column I Column II

a. Polytene chromosome 1. With numerous chromosome

b. Lampbrush chromosome 2. Oocytes

c. Aerocentric chromosome 3. Centromere near one end

d. Sat chromosome 4. With a satelite

37.
Aflatoxins are produced by

38.
In maize, cross pollination occurs due to

39.
The legumes have flower

40.
Which one is the shortest phase during cell cycle?