MCQs ON KINGDOM PLANTAE

MCQs ON KINGDOM PLANTAE

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The chapter kingdom plantae basically adds knowledge about the diversity in plants with their special characteristics. It shows their structural and functional diversity too.

1. Heterogametes are:
a. Gametes of the same size
b. Gametes of different sizes both of which are flagellate
c. Gametes of different sizes one of which is flagellate
d. Both b. and c.

2. What reproductive adaptation(s) allowed the first seed plants to dominate the land after the carboniferous era?
a. Pollen
b. Seeds
c. Fruit
d. All of the above

3. Which of the following are bryophytes?
a. Ferns and horsetails
b. Mosses and liverworts
c. Green and brown algae
d. None of the above

4. Why are terrestrial plants believed to have arisen from green algae?
a. The presence of lignin in the cells of both green algae and plants
b. Both store food such as starch
c. Both use the same type of chlorophyll and accessory pigments
d. Green algae are often found in shallow bodies of freshwater where they are subject to the kind of selective pressures that might have given rise to terrestrial plants

5. Why do most bryophytes grow less than 2 centimeters tall?
a. Lack of stiffening tissue
b. Lack of true root structure
c. Lack of well-developed tissues for transporting water and nutrients
d. All of the above

6. Which of the following structures form sperm in bryophytes?
a. Archegonia
b. Antheridium
c. Rhizoids
d. Stamen

7. Where are eggs produced in bryophytes?
a. Archegonia
b. Antheridium
c. Rhizoids
d. Ovary

8. Which of the following best explains why ferns are more widespread than horsetails and club mosses?
a. Ferns are the only seedless vascular plants with taproots
b. Ferns are the only seedless vascular plants with broad leaves
c. Ferns can reproduce sexually in the absence of water
d. All of the above

9. Which of the following vascular tissues distributes sugars and the other products of photosynthesis throughout vascular plants?
a. Xylem
b. Phloem
c. Both of the above
d. Neither of the above

10.Which of the following is associated with structural rigidity in vascular plants?
a. Lignin
b. Xylem
c. Tracheids
d. All of the above

ANSWERS:

1. d
2. d
3. b
4. c
5. d
6. b
7. a
8. c
9. b
10. a

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