What would be true for both Pinus and Cycas?
1. A male and female gametophyte having independent free-living existence.
2. Coralloid roots associated with symbiotic nitrogen-fixing cyanobacteria
3. Ovules not enclosed by any ovary wall and remain exposed, before and after fertilisation
4. Presence of male and female cones or strobili on the same plant

 

Subtopic:  Gymnosperms |
 75%
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The life cycle in:
1. Fucus is haplontic
2. Gymnosperms is haplontic
3. Spirogyra is haplo-diplontic
4. Bryophytes and pteridophytes is haplo-diplontic
 
 81%
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Which one of the following is wrongly matched? 
1. Spirogyra -Motile gametes
2. Sargassum - Chlorophyll C 
3. Basidiomycetes - Puffballs 
4. Nostoc- Water blooms 
Subtopic:  Algae |
 61%
From NCERT
NEET - 2013
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What is common in all the three, Funaria, Dryopteris and Ginkgo?
1. Presence of archegonia
2. Well-developed vascular tissues
3. Independent gametophyte
4. Independent sporophyte
Subtopic:  Bryophytes | Pteridophytes | Gymnosperms |
 57%
From NCERT
NEET - 2013
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Assertion(A): The main plant body of the bryophyte is haploid which possesses true roots, leaf-like and stem-like structures.
Reason(R): This main plant body produces gametes and it is known as gametophyte.
Choices for Assertions and reasons:
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic:  Bryophytes |
 75%
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Assertion(A): Mosses are of great ecological importance.
Reason(R): Mosses are among the first organisms to colonize the rocks.
Choices for Assertions and reasons:
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic:  Bryophytes |
 76%
From NCERT
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Assertion(A): Species of Sphagnum have good capacity to hold water.
Reason(R): They have been used as packing material for trans-shipment of living material.

Choices for Assertions and reasons:
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic:  Bryophytes |
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Assertion(A): Double fertilization is an event unique to angiosperms.
Reason(R): There is an occurrence of two fusions i.e., syngamy and triple fusion.
Choices for Assertions and reasons:
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
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Assertion(A): Earliest systems of classification separated the closely related species.
Reason(R): Such systems were based on phylogenetic characters.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.

 
Subtopic:  Classification System |
 78%
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Assertion(A): Mosses reduce the impact of falling rain and prevent soil erosion.
Reason(R): Lichens form a dense mat on the soil.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic:  Bryophytes |
 57%
From NCERT
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