Biology - Mock Test 8

Question 71

During the germination of seeds, the seed coat ruptures due to

A) massive imbibition of water B) differentiation of cotyledons C) sudden increase in cell division D) massive glycolysis in cotyledons and endosperm

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Question 72

The proteinaceous part of maize endosperm is

A) Peripheral layer B) scutellum C) Apophysis D) Aleurone layer

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Question 73

One of these gases is required for the germination of pea seeds

A) nitrogen B) oxygen C) water vapors D) hydrogen

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Question 74

Seed dormancy allows the plants to

A) develop healthy seeds B) reduce viability C) overcome unfavorable climatic conditions D) prevent deterioration of seeds

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Question 75

the protective covering over radical during the germination of seeds is

A) Coleoptile B) Epithelium C) Suspensor D) Coleorhiza

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Question 76

which of these compounds can induce seed dormancy

A) Potassium nitrate B) ABA C) Gibberellins D) Ethylene

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Question 77

An albuminous seed showing hypogeal germination is

A) bean B) castor C) gram D) maize

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Question 78

The process by which fruits are developed without fertilization is

A) Apomixis B) Parthenocarpy C) Parthenogenesis D) Self pollination

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Question 79

Parthenocarpy takes place in

A) Mango B) Banana C) Peach D) Jackfruit

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Question 80

Which of these plants will lose its economic value if its fruits are as a result of induced parthenocarpy

A) Banana B) Orange C) Grape D) Pomegranate

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