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BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition
STARR
Publisher: CENGAGE L
ISBN: 9781305967359

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BuyFindarrow_forward

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition
STARR
Publisher: CENGAGE L
ISBN: 9781305967359
Chapter 21, Problem 9SA
Textbook Problem
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Only angiosperms produce_______.

a. pollen c. fruits
b. seeds d. all of the above

Summary Introduction

Introduction:

Plants are eukaryotic, multicellular and photosynthetic organisms on Earth. The plants evolved 450 million years ago from a group of freshwater alga. These contain chlorophyll, which helps in the process of photosynthesis.

Explanation of Solution

Reason for correct answer:

Option c. is given as, “fruits.”

Angiosperms are highly evolved plants. The female gametophyte is developed in the ovary. Two male gametes fertilize the female gamete. One male gamete fuses with egg and leads to the formation of zygote. The other gamete fuses with secondary nuclei and forms the endosperm. The endosperm provides nutrition to the developing embryo. After development, the part of the endosperm forms the fruit.

Reason for incorrect answer:

Option a. is given as, “pollen.”

Both gymnosperms and angiosperms produce Pollens. Although the gymnosperms produce pollen in the pollen cones, pollen serves as male gamete in gymnosperms also...

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