Indian Plants UPSC Questions

General Issues on Environmental Ecology, Bio-diversity & Climate Change

Indian Plants MCQ Questions


1.
What is the defining feature of a herb?
A.
Always green and tender stem
B.
Woody stem branching from the base
C.
Single well-defined woody stem
D.
Climbs with tendrils or hooks
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ANSWER :
A. Always green and tender stem
2.
Which plant type grows on another plant but does not draw nourishment from it?
A.
Parasite
B.
Climber
C.
Epiphyte
D.
Shrub
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ANSWER :
C. Epiphyte
3.
In a particular region in India, the local people train the roots of living trees into robust bridges across the streams. As the time passes, these bridges become stronger. These unique ‘living root bridges’ are found in  

UPSC - 2015

A.
Meghalaya
B.
Himachal Pradesh
C.
Jharkhand
D.
Tamil Nadu
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ANSWER :
A. Meghalaya
4.
Which light colors are effective in photosynthesis?
A.
Red and Green
B.
Blue and Green
C.
Red and Blue
D.
Blue and Yellow
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ANSWER :
C. Red and Blue
5.
What is the effect of ultraviolet light on plant growth?
A.
Plants grow taller
B.
Plants become bushier
C.
Plants become dwarf
D.
No effect
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ANSWER :
C. Plants become dwarf
6.
What causes 'die back' in plants?
A.
Only frost damage
B.
Only dense canopy
C.
A combination of factors including frost and drought
D.
Excessive sunlight
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ANSWER :
C. A combination of factors including frost and drought