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Question-1
The aquatic fern, which is an excellent bio fertilizer, is
(A)
Azolla
(B)
Salvinia
(C)
Marsilia
(D)
Pteriduium
Question-2
Due to which of the following organism, yield of rice has been increased?
(A)
Sesbania
(B)
Anabaena
(C)
Bacillus Popilliae
(D)
Bacillus polymena
Question-3
Triticale is the hybrid between wheat and
(A)
Maize
(B)
Bareley
(C)
Rye
(D)
Bean
Question-4
Coir the commercial product of coconut's
(A)
Pericarp
(B)
Mesocarp
(C)
Endocarp
(D)
Endosperm
Question-5
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-6
The recent increase in food production is due to
(A)
Control of pets
(B)
Use of fertilizers
(C)
Crop improvement
(D)
All of these
Question-7
The term hull is applied for
(A)
Rice
(B)
Maize
(C)
Wheat
(D)
Bajra
Question-8
International Rice Research Institute (IRRI) is located at
(A)
Tokyo (Japan)
(B)
Hyderabad (India)
(C)
New York (USA)
(D)
Manila (Philippine)
Question-9
Which of the following is a social foresting species with multiple utility?
(A)
Mangifera indica
(B)
Rosa grandiflora
(C)
Borassus flabellitormis
(D)
Leucaena loeucocephala
Question-10
Reproducing new plants by cells, instead of seeds, is known as,
(A)
Mutation
(B)
Antibiotics
(C)
Bio fertilizer
(D)
Tissue culture
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Plus 2 Biology Science
ICSE/ISC
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