Biology-Growth and Development in Plants

Test Preparation on Biology-Growth and Development in Plants

1.

What is the maximum period of growth?

1Slow growth rate
2Steady growth rate
3Speedy growth rate
4Senescence phase

2.

Which apparatus is used for the measurement of growth?

1Auxanometer
2Potometer
3Photometer
4Hydrometer

3.

Ethylene is responsible for

1Flowering
2Disease in roots
3Ripping of fruits
4Formation of fruits

4.

What is the cause of `Bakane

1Fungi
2Algae
3Bacteria
4Virus

5.

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

1Enzymes
2Hormones
3Vitamins
4None of the above

6.

Which type of growth is seen in plants?

1Irreversible
2Increase in volume
3Local
4Reversible

7.

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

1ABA
2Gibberrelin
3IAA
4Cytokinin

8.

Which group is correct for the growth inducer hormone ?

1IAA, ABA and cytokinins
2IAA, Gibberrelin, ABA
3IAA, Gibberrelin, cytokinins
4ABA, Ethylene

9.

What is the main origin of cytokinin?

1Stem apex
2Root apex
3Young leaves
4Lateral buds

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