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Question

Cruciform corolla is found in:


A

Pea

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B

Radish

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C

China rose

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D

Sunflower

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Solution

The correct option is B

Radish


The correct option is B.

Explanation of the correct option:

  1. Cruciform corolla typically refers to a type of polypetalous corolla.
  2. The four petals remain free and have a diagonal arrangement to form a cross.
  3. It is a regular corolla.
  4. It belongs to the family Brassicaceae.
  5. In radish, the cruciform corolla is found there.

Explanation of the incorrect option:

Option A:

  1. Pea flowers have butterfly-shaped papilionaceous corolla.
  2. They possess five petals.
  3. It is also polypetalous.
  4. It belongs to the family Fabaceae.

Option C:

  1. In china rose, we can see polypetalous corolla.
  2. There are five petals and those are fused at the base.
  3. It belongs to the family Malvaceae.

Option D:

  1. In sunflower, a strap-shaped corolla occurs.
  2. The petals are fused in a strap-shaped manner and resemble the ray of florets.
  3. It has a well-developed zygomorphic corolla.
  4. It belongs to the family Asteraceae.

Final answer: Cruciform corolla is found in radish.


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