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Question-1
The branch of botany connected with study of food fibre and wood yielding plant is called
(A)
Ethnobotany
(B)
Palebotany
(C)
Microbiology
(D)
Economic botany
Question-2
A good example of an auxin herbicide is
(A)
IAA
(B)
NAA
(C)
2,4-D
(D)
IBA
Question-3
The first transgenic crop was
(A)
Pea
(B)
Flax
(C)
Tobacco
(D)
Cotton
Question-4
Which of the following bacteria has potential for nitrogen fixation?
(A)
Nostoc
(B)
Aulosira
(C)
Anabaena
(D)
Rhizobium
Question-5
Coriandrum sativum
is the botanical name of
(A)
haldi
(B)
dhania
(C)
laung
(D)
choti elaichi
Question-6
Haploid plants can be obtained from
(A)
Bud culture
(B)
Root culture
(C)
Anther cultute
(D)
Leaf culture
Question-7
The unique property of legumes is the assimilation of nitrogen in the form of
(A)
Nitrates
(B)
Ammonia
(C)
Organic nitrogen
(D)
Molecular nitrogen
Question-8
Which of the following plant is used for the manufacture of cosmetics and lubricants?
(A)
Jojaba
(B)
Leucaena
(C)
Guayule
(D)
None of these
Question-9
Which part of red pepper is used in our food preparation?
(A)
deried roots
(B)
dried flowers
(C)
dried leaves
(D)
dried fruits
Question-10
The chemical formula of cocaine is
(A)
C10H12 N2
(B)
C
12
H
16
O
4
N
(C)
C
6
H
10
O
12
NO
(D)
C
17
H
21
O
4
N
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Plus 2 Biology Science
ICSE/ISC
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