Salient Features and Classification of Plants into Major Groups (Algae, Bryophytes, Pteridophytes, Gymnosperms) NEET Questions

Biology - Diversity in Living World

Salient Features and Classification of Plants into Major Groups (Algae, Bryophytes, Pteridophytes, Gymnosperms) MCQ Questions


1.
Algae are chlorophyll-bearing, simple, thalloid, autotrophic and:
A.
Largely terrestrial organisms
B.
Largely aquatic organisms
C.
Heterotrophic in nature
D.
Non-photosynthetic
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ANSWER :
B. Largely aquatic organisms
2.
Algae reproduce vegetatively by:
A.
Fragmentation
B.
Binary fission only
C.
Spore formation only
D.
Conjugation only
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ANSWER :
A. Fragmentation
3.
The most common type of asexual spore in algae is:
A.
Conidia
B.
Zoospore (biflagellate)
C.
Ascospore
D.
Basidiospore
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ANSWER :
B. Zoospore (biflagellate)
4.
Sexual reproduction in algae where two gametes are similar in size and morphology is termed:
A.
Anisogamous
B.
Oogamous
C.
Isogamous
D.
Heterogamous
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ANSWER :
C. Isogamous
5.
Volvox shows which type of sexual reproduction?
A.
Isogamous
B.
Anisogamous
C.
Oogamous
D.
Conjugation
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ANSWER :
C. Oogamous
6.
Algae are divided into three main classes — Chlorophyceae, Phaeophyceae, and:
A.
Cyanophyceae
B.
Rhodophyceae
C.
Bacillariophyceae
D.
Xanthophyceae
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ANSWER :
B. Rhodophyceae