Indian Plants UPSC Questions

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

Indian Plants MCQ Questions


7.
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
8.
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
9.
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
10.
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
11.
Which of the following is an example of an active insectivorous plant?
A.
Nepenthes
B.
Pinguicula
C.
Drosera
D.
Utricularia
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ANSWER :
D. Utricularia
12.
Which of the following statements is/are correct regarding the vegetative propagation of plants?
1. Vegetative propagation produces a clonal population.
2. Vegetative propagation helps in eliminating the virus.
3. Vegetative propagation can be practiced most of the year.
Select the correct answer using the code given below.
UPSC - 2014
A.
1 only
B.
2 and 3 only
C.
1 and 3 only
D.
1, 2 and 3
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ANSWER :
C. 1 and 3 only