1.  What is the maximum period of growth ?

A. Slow growth rate

B. Steady growth rate

C. Speedy growth rate

D. Senescence phase

Answer : Option C

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2.  Which apparatus is used for measurement of growth ?

A. Auxanometer

B. Potometer

C. Photometer

D. Hydrometer

Answer : Option A

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3.  Ethylene is responsible for

A. Flowering

B. Disease in roots

C. Ripping of fruits

D. Formation of fruits

Answer : Option C

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4.  What is the cause of `Bakane’ disease?

A. Fungi

B. Algae

C. Bacteria

D. Virus

Answer : Option A

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5.  Which substances are secreted at the apex of plant and they regulates growth of another region ?

A. Enzymes

B. Hormones

C. Vitamins

D. None of the above

Answer : Option B

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6.  Which type of growth is seen in plants?

A. Irreversible

B. Increase in volume

C. Local

D. Reversible

Answer : Option A

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7.  Which of the following sustance is not related with initiation of growth ?

A. ABA

B. Gibberrelin

C. IAA

D. Cytokinin

Answer : Option A

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8.  Which group is correct for the growth inducer hormone ?

A. IAA, ABA and cytokinins

B. IAA, Gibberrelin, ABA

C. IAA, Gibberrelin, cytokinins

D. ABA, Ethylene

Answer : Option C

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9.  What is the main origin of cytokinin?

A. Stem apex

B. Root apex

C. Young leaves

D. Lateral buds

Answer : Option B

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10.  Mention the effect of cytokinin

A. It induces cell division and retards the process of senescence

B. It maintains dormancy

C. It induces senescence

D. It inhibits cell division

Answer : Option A

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