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Class 12 Biology
Strategies For Enhancement In Food Production
Quiz 1
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Zoological name of Indian buffalo is:
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Bubalus bubalus
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Bos indicus
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Bos taurus
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Gallusgallus
Explanation
Bubalus bubalus
The best milk breed in the world is:
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Chittgong
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Deoni
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Holstein-Friesian
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Sindhi
Explanation
Holstein-Friesian
There crops that contribute maximum to global food grain production are :
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Wheat, rice and maize
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Wheat rice and barley
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Wheat, maize and sorghum
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Rice, maize and sorghum
Explanation
Wheat, rice and maize
The world’s highly prized wool yielding ‘Pashmina’ breed is :
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Sheep
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Goat
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Goat-sheep cross
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Mashmir sheep-Afghan sheep cross
Explanation
Goat
Both in callus and suspension culture commonly used auxin is:
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NAA
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IEA
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2-4D
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Abscisic acid
Explanation
2-4D
Somatic hybridization can be done by:
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By Protoplast fusion
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By Haploid anther
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By Cell culture
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By Totipotency
Explanation
By Protoplast fusion
India’s w heat yield revolution in the 1986s was possible primarily due to:
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Mutations resulting in the plant height reduction
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Quantitative trait mutations
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Hybrid seeds
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Increased chlorophyll content
Explanation
Hybrid seeds
One of the following is a disease of poultry:
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Anthrax
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Pebrine disease
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Ranikhet disease
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Foot and mouth disease
Explanation
Ranikhet disease
Choose the cat fish from the following:
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Katla Katla
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Wallage attu
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Labeo rohita
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Cirrhinus mrigaja
Explanation
Wallage attu
The technique of obtaining large number of plantlets by tissue culture method is called :
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Organ culture
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Micro-propagation
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Macro-propagation
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Plantlet culture
Explanation
Micro-propagation
Most cultivated plants are:
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Autopolyploid
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Allopolyploid
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Aneuploids
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Haploids
Explanation
Allopolyploid
Triticale first main-made corral crop has been obtained by crossing wheat with
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Rye
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Pearl mille
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Sugarcane
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Barley
Explanation
Rye
Most nutritious among the following is:
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What
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Maize
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Pearley
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Rice
Explanation
Pearley
Hybrid vagour is induced by:
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By Clonal selection
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By Crossing of plant
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By crossing of two plants
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By Species differentiation
Explanation
By crossing of two plants
Norman Borlaugh known as “Father of Green Revolution” has developed new cultivating variety of:
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Paddy
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Rice
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Wheat
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Sugarcane
Explanation
Wheat
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