Select the mismatch from the following options-Perianth - Essential whorl-Androecium - Male reproductive part-Gynoecium - Female reproductive part-Sepals and Petals - Non-essential part-

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A Typical Flower

Select the mi...

Question

Select the mismatch from the following options.

Perianth - Essential whorl

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Androecium - Male reproductive part

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Gynoecium - Female reproductive part

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Sepals and Petals - Non-essential part

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Solution

The correct option is A
Perianth - Essential whorl

The sepals and petals are together known as the perianth. They are the non-essential or accessory parts of a flower as they do not play a direct role in sexual reproduction. On the other hand, the androecium or the male part of the flower and the gynoecium or the female part of the flower are the essential whorls as they take are required for sexual reproduction.

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Similar questions

Q. Which one of the following is correct matched set ?
Column I Column II

(A) Flower	(i) Female reproductive part
(B) Calyx and Corolla	(ii) Reproductive whorl
(C) Androecium and Gynoecium	(iii) Male reproductive part
(D) Ovules	(iv) Reproductive part of a plant
(E) Pollen grains	(v) Accessory whorls

Regarding assertion and reason, select the right option.

Assertion (A): Androecium and gynoecium are called essential whorls.
Reason (R): The two important units of sexual reproduction namely male and female gametes are produced by androecium and gynoecium respectively.

Regarding assertion and reason, select the right option.

Assertion (A): Androecium and gynoecium are termed essential whorls.
Reason (R): The two important units of sexual reproduction namely the male and female gametes are produced by the androecium and the gynoecium respectively.

Sepals and petals are called non essential parts of a flower. Why?

Essential parts in a typical flower are always protected by non-reproductive parts.

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