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Biology : Ch05 – Plant Morphology – Assertion and Reason

Read the assertion and reason carefully to mark the correct option.

10 Random question from this chapter are displayed, you can take the quiz multiple times to cover all questions

1 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Sucker is an underground stem.

Reason: Sucker stem never comes above the ground.

2 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Petals are usually bright coloured.

Reason: Petals attract insect for pollination.

3 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: The flower is modified shoot meant for sexual reproduction.

Reason: Flowers are arranged in different types of inflorescence.

4 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Calyx and corolla are accessory organs of the flower.

Reason: They do not directly involve in sexual reproduction.

5 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Adventitious roots develop from any part of plant.

Reason: In such plants, the tap root is not developed.

6 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Formation of phyllode is a mechanism to reduce transpiration.

Reason: It is vertically placed and has fewer stomata

7 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Pneumatophores are respiratory roots.

Reason: Pneumatophores help to get oxygen for respiration

8 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Stem bears nodes and internodes

Reason: Stem is always aerial.

9 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Vexillary aestivation is known as papilionaceous aestivation

Reason: It is found in family papilionaceae

10 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Flower is zygomorphic in family Fabaceae

Reason: Corolla shows vexillary aestivation.

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