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Question-1
Carbon dioxide acceptor in C3-plants is
(A)
PEP
(B)
RuDP
(C)
PGA
(D)
PGAL
Question-2
In C
4
-plants primary acceptor of Co
2
is
(A)
PEP
(B)
RUBP
(C)
Malic Acid
(D)
Pyruvic acid
Question-3
The first reaction in photorespiration is
(A)
Carboxylation
(B)
Oxygenation
(C)
Decarboxylation
(D)
Phosphorylation
Question-4
In photosynthesis, energy from light reaction to dark reaction is transferred in the form of
(A)
ADP
(B)
ATP
(C)
RuDP
(D)
Chlorophyll
Question-5
Chlorophyll molecules are green in colour, because they
(A)
Reflect green light
(B)
absorb green light
(C)
transmit green light
(D)
transform green light
Question-6
Which of the following is wrong in relation to photorespiration?
(A)
It occurs in chloroplasts
(B)
It occurs in daytime only
(C)
It is a characteristic of C
3
- plants
(D)
It is a characteristic of C
4
- plants
Question-7
Oxygen, which is liberated during photosynthesis, comes from
(A)
Co
2
(B)
H
2
O
(C)
chlorophyll
(D)
phosphoglyceric acid
Question-8
?Oxygen is evolved from water during photosynthesis? was demonstrated by
(A)
Calvin
(B)
R.Hill
(C)
Govindji
(D)
Ruben & Kamen
Question-9
Translocation of organic materials is best explained by
(A)
Active transport
(B)
transpiration pull
(C)
imbibition theory
(D)
mass flow hypothesis
Question-10
Which of the following nutrients serve as macro nutrients for plant growth?
(A)
C, H and O
(B)
K,N and S
(C)
Ca, Mg and P
(D)
all of these
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Plus 2 Biology Science
CBSE
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Reproduction In Organisms
Sexual Reproduction In Flowering Plants
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Principles Of Inheritance and Variation
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Biotechnology: Principles And Processes
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Animal Reproduction
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Microbes in Human Welfare
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