Agriculture - Mock Test 179

Question 1781

Theory of overdominance states?

A) Dominant homozygote is superior to recessive homozygote B) Recessive homozygote is superior to dominant homozygote C) Hetrozygote is superior to both the homozygote D) None of the above

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Question 1782

Theory of Natural Selection was based on?

A) Over-production of off springs and consequent struggle for existence B) Variation and teir inheritance C) Elimination of unfavorable variations D) All the above

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Question 1783

Theory of 'Pangenesis' was given by?

A) Hugo de Vries B) Charles Darwin C) Lamark D) Bateson

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Question 1784

Theory of 'Acquired characters' was proposed by?

A) Darwin B) Lamark C) Bateson D) Weismann

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Question 1785

The water potential of pure water is equal to?

A) Zero B) Always negative C) Less than zero D) More than zero

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Question 1786

The various modes in which the leaves are arranged on the stem or the branch, the term is called?

A) Phyllotaxy B) Phyllode C) Phylloclade D) Cladode

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Question 1787

The usefulness of cortisome for medicinal purposes led to the identification of _____ a potentially rich source of it?

A) Discorea B) Colocasia C) Lantana D) Canbis

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Question 1788

The type of male sterility used in hybrid seed production in pearlmilet is?

A) Genetic male sterility B) Cytoplasmic male sterility C) Genetic cytoplasmic male sterility D) None of the above

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Question 1789

The two integuments of a ovule develop into?

A) Seed coats B) Disintegrate C) Plumule D) Pericarp

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Question 1790

The turgor pressure is always equal and opposite in direction to?

A) Diffusion pressure B) Wall pressure C) Osmotic pressure D) DPD

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