Fertilization In Flowers

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| By Kaarthikeyan.s Sathish

Kaarthikeyan.s Sathish

Community Contributor

Quizzes Created: 1 | Total Attempts: 267

Questions: 5 | Attempts: 268 | Updated: Mar 20, 2023

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Questions and Answers

1.

The pollen reaches the ovary through the __________.
- A.
  
  Style
- B.
  
  Stigma
- C.
  
  Pollen tube
- D.
  
  Filament
Correct Answer
C. Pollen tube

Explanation
The pollen reaches the ovary through the pollen tube. The pollen tube is a long, slender structure that grows from the pollen grain after it lands on the stigma. It extends down through the style, which is a tube-like structure connecting the stigma to the ovary. The pollen tube delivers the male gametes (sperm cells) to the ovary, where they fertilize the female gametes (egg cells) to form seeds.

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2.

Pollen is produced by the _______________ .
- A.
  
  Stamen
- B.
  
  Pollen tube
- C.
  
  Anther
- D.
  
  Stigma
Correct Answer
C. Anther

Explanation
Pollen is produced by the anther, which is the male reproductive organ of a flower. The anther contains pollen sacs where pollen grains are formed. These pollen grains are then released from the anther and are transferred to the stigma of another flower for pollination to occur. The anther plays a crucial role in the reproduction of flowering plants by producing and dispersing pollen.

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3.

The part of the flower that contains the ovary that makes the ovule(ovum) to be fertilized by the pollen is called the:
- A.
  
  Stamen
- B.
  
  Sepal
- C.
  
  Carpel
- D.
  
  Petal
Correct Answer
C. Carpel

Explanation
The carpel is the correct answer because it is the part of the flower that contains the ovary. The ovary is where the ovule, or ovum, is produced and fertilized by pollen. The carpel is the female reproductive organ of the flower and consists of the stigma, style, and ovary.

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4.

The other name of the carpel is the pistil.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
The carpel is a female reproductive organ found in the center of a flower. It is composed of three parts: the stigma, the style, and the ovary. The pistil, on the other hand, is the collective term used to refer to all the female reproductive parts of a flower, including the carpel. Therefore, it is correct to say that the other name of the carpel is the pistil.

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Fertilization In Flowers

The pollen reaches the ovary through the __________.

Pollen is produced by the _______________ .

The part of the flower that contains the ovary that makes the ovule(ovum) to be fertilized by the pollen is called the:

The other name of the carpel is the pistil.