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Chapter 26: Q. 17 (page 697)

Abundant and powdery pollen produced by small, indistinct flowers is probably transported by:

a. bees and butterflies

b. flies

c. birds

d. wind

Short Answer

Expert verified

The correct option is (d) wind.

Step by step solution

01

Step 1

  • Pollination is the transfer of pollen grains to the stigma of female reproductive part of flowers.
  • pollination independent on various agents like birds, insects, and others.
02

Step 2

Pollen grains of wind-pollinated flowers are produced in abundant quantities to make sure that atleast some pollen grains reach the stigmas of other flowers and successful pollination takes place by wind.

03

Step 3

A wind pollinated flower is known asanemophilous.

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Most popular questions from this chapter

Biosynthesis of nectar and nutrient-rich pollen is energetically very expensive for a plant. Yet, plants funnel large amounts of energy into animal pollination. What are the evolutionary advantages that offset the cost of attracting animal pollinators?

Which of the following traits characterizes gymnosperms?

a. The plants carry exposed seeds on modified leaves.

b. Reproductive structures are located in a flower.

c. After fertilization, the ovary thickens and forms a fruit.

d. The gametophyte is the longest phase of the life cycle.

Which of the following plant structures is not a defense against herbivory?

a. thorns

b. spines

c. nectar

d. alkaloids

Plants are a source of ________.

a. food

b. fuel

c. medicine

d. all of the above

REVIEW QUESTIONS

Which of the following structures widens the geographic range of a species and is an agent of dispersal?

(a) seed

(b) flower

(c) leaf

(d) root
See all solutions

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