Agriculture - Mock Test 208

Question 2071

Hugo de Vries, who defined the 'mutation', was?

A) Dutch Botanist B) French Bacteriologist C) English Botanist D) Russian Biologist

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Question 2072

How many cells will be produced from a cell if the cell divides meiotically?

A) 1 B) 2 C) 3 D) 4

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Question 2073

Heterosis over the better parent is called as?

A) Relative heteroisi B) Standard heterosis C) Pseudoheterosis D) Heterbeltiosis

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Question 2074

Heterosis is commercially exploited in?

A) Cross pollinated species B) Often cross-pollinated species C) Self-pollinated species D) Vegetatively propagated species

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Question 2075

Heritability may be defined as the?

A) Interaction product 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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Question 2076

Holophytes growing on muddy swarmps form special vegetation known as?

A) Hangrove forests B) Coniferous forests C) Evergreen forests D) Riparian forests

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Question 2077

Gynoecium or pistil in the female whorl differentiated into?

A) Filament B) Style C) Stigma D) All of the above

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Question 2078

Group of plants with similar characteristics of any rank is termed?

A) Taxon B) Species C) Genus D) Order

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Question 2079

Mendel is famous for?

A) Propounding the laws of inheritance B) Laws of limiting factors C) The theory of mutation D) The discovery of penicillin

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Question 2080

Given that the somatic cromosome number of Triticum aestivum is 2n = 6x = 42, which one of the following pairs is correctly matched?

A) Monosome B) Trusine C) Tetrasome D) Nullisome

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