Growth and Reproduction in Plants and Animals NDA Questions

NDA BIOLOGY

Growth and Reproduction in Plants and Animals MCQ Questions


7.
Which of the following is NOT a characteristic of Chlorophyceae?
A.
Chlorophyll a and b as major pigments
B.
Fucoxanthin as accessory pigment
C.
Presence of pyrenoids
D.
Starch as stored food
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ANSWER :
B. Fucoxanthin as accessory pigment
8.
Asexual reproduction in most brown algae occurs by:
A.
Fragmentation only
B.
Zoospores with apical flagella
C.
Biflagellate pear-shaped zoospores
D.
Non-motile aplanospores
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ANSWER :
C. Biflagellate pear-shaped zoospores
9.
At least what fraction of total CO2 fixation on Earth is carried out by algae?
A.
Half
B.
One-third
C.
Three-fourths
D.
One-fourth
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ANSWER :
A. Half
10.
Bryophytes are called 'amphibians of the plant kingdom' because:
A.
They can photosynthesize in water
B.
Their spores are dispersed by water
C.
They live in soil but depend on water for sexual reproduction
D.
They have aquatic and terrestrial forms
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ANSWER :
C. They live in soil but depend on water for sexual reproduction
11.
The dominant phase in the life cycle of bryophytes is:
A.
Gametophyte
B.
Both are equally dominant
C.
Protonema
D.
Sporophyte
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ANSWER :
A. Gametophyte
12.
Gemmae in liverworts are:
A.
Sexual reproductive structures
B.
Flagellated gametes
C.
Spore-producing structures
D.
Green multicellular asexual buds in gemma cups
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ANSWER :
D. Green multicellular asexual buds in gemma cups