Question

Assertion : Corolla is a floral part.

Reason : It helps in pollination

a) Both A and R are true, and R is correct explanation of the assertion.

b) Both A and R are true, but R is not the correct explanation of the assertion.

c) A is true, but R is false.

d) A is false, but R is true
​

Answer 1

Answer:

a) both a and r are true ,and r is correct explanation of a

because corolla attract insects

Answer 2

The correct is option (b) Both A and R are true, but R is not the correct explanation of the assertion.

Explanation

• Flowers are the reproductive organ of the angiosperm.
• Flowers are the main organ of the plant that carries out reproduction in angiosperms.
• A typical flower comprises four different types of whorls arranged on the stalk or peduncle of the flower.
• Corolla is one accessory organ of the flower.
• So, The assertion is correct.
• Corolla is also called petals and is usually bright in color and large in size to attract insects to pollinate the flower.
• These insects carry pollen from flowers and deposit it into the stigma of another flower, thereby helping in pollination.
• So, The reason is also correct, But it does not explain the assertion.
• The Corolla of the flower can be gamopetalous (free) or polypetalous (united).

Hence, The correct answer is option (b)

#spj2