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Question
Biology
The major portion of the dry weight of plants comprises of
Q. The major portion of the dry weight of plants comprises of
2122
209
Mineral Nutrition
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A
nitrogen, phosphorus and potassium
17%
B
calcium, magnesium and sulphur
17%
C
carbon, nitrogen and hydrogen
33%
D
carbon, hydrogen and oxygen
33%
Solution:
Major portion of dry weight of plant is composed of carbon (C), hydrogen
(
H
)
and oxygen
(
O
)
. These are called framework element. Plant takes these elements in the form of
H
2
O
and
C
O
2
.