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Q. No.
In gymnosperms:
I: the ovules are not enclosed by any ovary wall and remain exposed, both before and after fertilisation.
II: the male and the female gametophytes do not have an independent free-living existence.
 
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic:  Gymnosperms |
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Level 1: 80%+
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Conifers are adapted to tolerate extreme environmental conditions because of

1. presence of vessels 2. broad hardy leaves
3. superficial stomata 4. thick cuticle
Subtopic:  Gymnosperms |
 83%
Level 1: 80%+
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Which of the following regarding Cycas is incorrect?

1. Pinnate leaves persist for a few years
2. Male and female cones are born on different plants
3. Coralloid roots are in association with cynobacteria
4. Homosporous gymnosperm
Subtopic:  Gymnosperms |
 73%
Level 2: 60%+
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Match the plant groups in Column-I with their characteristic reproductive features in Column-II:
Column-I Column-II
A. Angiosperms P. Produce seeds in cones
B. Gymnosperms Q. Produce spores on the underside of fronds
C. Ferns R. Seeds develop inside an ovary, which matures into a fruit
D. Mosses S. Spores develop in capsule at the end of a stalk
Codes:
A B C D
1. P R Q S
2. P R S Q
3. R P Q S
4. R P S Q
Subtopic:  Bryophytes | Gymnosperms |
 66%
Level 2: 60%+
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Which of the following is a comparison between Pteridophytes and Gymnosperms?
1. Both reproduce sexually through seeds.
2. Pteridophytes have a well-developed vascular system, whereas gymnosperms do not.
3. Pteridophytes reproduce through spores, while gymnosperms reproduce through seeds.
4. Both are non-flowering plants that reproduce asexually.
Subtopic:  Pteridophytes | Gymnosperms |
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Unlike bryophytes and pteridophytes, in gymnosperms:

1. the male and female gametophytes do not have an independent existence
2. the vascular tissue is poorly developed
3. the reproduction is dependent on water in most cases
4. the plants bodies are clearly differentiated into root, stem and leaves
Subtopic:  Gymnosperms |
 75%
Level 2: 60%+
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The giant redwood tree Sequoia, one of the tallest tree species, is a:
1. Pteridophyte 2. Monocot angiosperm
3. Dicot angiosperm 4. Gymnosperm
Subtopic:  Gymnosperms |
 89%
Level 1: 80%+
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