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Physics
Chemistry
Biology
Mathematics
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Question-1
The study of living organism, for the human welfare, is called
(A)
Ecobilogy
(B)
Biophysics
(C)
Cosmology
(D)
Applied biology
Question-2
Bordeaux mixture is a fungicide, which consists of
(A)
Magnesium hydroxide + water
(B)
Copper sulphate+ calcium hydroxide
(C)
Copper sulpphate+ sodium hydroxide
(D)
Magnesium sulphate+ calcium hydroxide
Question-3
Major source of sugar in the world is
(A)
Beta vulgaris
(B)
Citrulus vulgaris
(C)
Annona sguamosa
(D)
Saccharum officinarum
Question-4
Haploid plants can be obtained from
(A)
Bud culture
(B)
Root culture
(C)
Anther cultute
(D)
Leaf culture
Question-5
Bordeaux mixture is a
(A)
Insecticide
(B)
Weedicide
(C)
Fungicide
(D)
Rodeenticide
Question-6
The percentage of carbohydrates in rice, is about
(A)
60
(B)
70
(C)
80
(D)
90
Question-7
When a natural predator (living being) is applied on some other organisms to control them, this process is called
(A)
Artificial control
(B)
Genetic engineering
(C)
Biological control
(D)
Confusion technique
Question-8
The cultivation of rice in India was originated in
(A)
13000 BC
(B)
1500 BC
(C)
3000BC
(D)
1285 AD
Question-9
Cinchona is obtained from
(A)
Bark
(B)
Leaf
(C)
Pericarp
(D)
Endosperm
Question-10
Which of the follwing plant is a good source of green manure?
(A)
Jojaba
(B)
Guayule
(C)
Leucaena
(D)
None of these
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Plus 2 Biology Science
ICSE/ISC
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