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Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
ISBN: 9781337408332

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BuyFindarrow_forward

Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
ISBN: 9781337408332
Textbook Problem
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The arrival of pollen grains on a receptive stigma is called _______.

  1. a. germination
  2. b. fertilization
  3. c. pollination
  4. d. propagation

Summary Introduction

Introduction: A flower is the reproductive part of the modified thick shoot of an angiosperm plant.  The transfer of pollen from a male part to the female part of a plant allows the fertilization to occur and later develops into a seed. Pollination takes place with the help of pollinating agents such as by wind or animal.

Explanation

Reason for the correct answer:

In the flowering plants, pollination is one of the necessary processes for sexual reproduction. Pollination involves the arrival of pollen grains on a receptive stigma. The flowers containing both carpels and stamens are called perfect flowers; they can pollinate themselves. On the other hand, the flowers which don’t possess the carpels and stamens are called imperfect flowers and do not pollinate themselves.

Option c. is given as “pollination”.

The process by which pollen grains reach a receptive stigma is called pollination.

Hence, the correct answer is option c.

Reasons for the incorrect answers:

Option a. is given as, “germination”.

The process by which new plants are developed from a seed is called germination. Germination does not involve the arrival of pollen grains on a receptive stigma...

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