Ecosystem And Biosphere
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107 Which of the following processes are associated with plants during dark period?
A
Photosynthesis and respiration
B
Respiration and transpiration
C
Transpiration and conduction
D
Conduction and respiration
108 In a food chain, the solar energy utilized by plants is only
A
10 per cent
B
1 per cent
C
0.1 per cent
D
0.01 per cent
11 In coriander, the useful parts are
A
roots & leaves
B
leaves & flowers
C
leaves & dried fruits
D
flowers & dried fruits
12 A large number of identical plants can be obtained in a short span of time through
A
large number of seeds of a
single plant
B
stem cuttings
C
tissue culture technique
D
hydroponics method
114 All the progeny obtained from a single plant by vegetative propagation are called
A
Clones
B
Pure line
C
Indred line
D
Pedigree line
