Question

Which of the following is a dimerous flower?

• A. Tulip
• B. Poppy
• C. Magnolia
• D. China Rose

Answer 1

The correct option is B

Poppy

The correct option is B.

Explanation of the correct option:

1. The flower is the modification of the shoot, which performs sexual reproduction in angiosperms.
2. The process in which male and female gamete unite to produce a diploid zygote, which further develops into an embryo is termed sexual reproduction.
3. The flower possesses the female and male reproductive parts.
4. A flower in which the floral whorls or the petals are present as two or multiples of two in number is known as the dimerous flower.
5. The poppy is a flowering plant, which belongs to the family Paparavaceae.
6. The flowers of the poppy are dimerous as the whorls are aligned in the multiples of two.

Explanation of the incorrect options:

Option A:

1. The tulip plant is a flowering plant, which comes under the family Liliaceae.
2. The flowers of tulip are trimerous, as the whorls are aligned in the multiples of three.

Option C:

1. Magnolia is a flowering plant, which comes under the family Maglionaceae.
2. The flowers of magnolia are trimerous, as the whorls are aligned in the multiples of three.

Option D:

1. China rose is a flowering plant, also known as hibiscus, it comes under the family Malvaceae.
2. The flowers of China rose are pentamerous, as the alignment of whorls takes place five in number.

Final answer: Poppy is a dimerous flower.