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Question-1
Cowdung is appropriately used as
(A)
Fuel
(B)
Manure
(C)
Medicine
(D)
Building materials
Question-2
Major source of sugar in the world is
(A)
Beta vulgaris
(B)
Citrulus vulgaris
(C)
Annona sguamosa
(D)
Saccharum officinarum
Question-3
The first transgenic crop was
(A)
Pea
(B)
Flax
(C)
Tobacco
(D)
Cotton
Question-4
The technique of obtaining large number of plantlets by tissue culture is called
(A)
Organ culture
(B)
Plantlet culture
(C)
Micro propagation
(D)
Macro propagation
Question-5
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-6
Lead arsenate is a
(A)
Fumigant
(B)
Contact poison
(C)
Stomach poison
(D)
Nervous poison
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
Selection of homozygous plant is
(A)
Mass selection
(B)
Mass selection
(C)
Pure line selection
(D)
None of these
Question-9
Which of the following bacteria has potential for nitrogen fixation?
(A)
Nostoc
(B)
Aulosira
(C)
Anabaena
(D)
Rhizobium
Question-10
The pesticide, which is used for preventing termite attacks, in the foundation of buildings is
(A)
BHC
(B)
DDT
(C)
Aldrin
(D)
Parathion
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Plus 2 Biology Science
ICSE/ISC
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Excretion and Osmoregulation
Genetics
Nervous Coordination
Morphology and Anatomy of Flowering plants
Orgin of Life Evolution and its maintenance
Circulation of Body Fluids
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Human Respiration
Circulation in Humans
Applications of Biology
Breathing and Exchange of Gases
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