Multiple Choice Questions

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Which of the following is generally used for induced mutagenesis in crop plants?

  • Alpha particles

  • X- rays

  • UV (260 nm)

  • Gamma rays (from cobalt 60)


D.

Gamma rays (from cobalt 60)

Gamma rays (from cobalt 60) is generally used for induced mutation in crop plants.


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The world's highly prized wool yielding 'Pashmina' breed is

  • sheep

  • goat

  • goat- sheep cross

  • Kashmir sheep- Afghan sheep cross


The name of Norman Borlaug is associated with

  • green revolution

  • yellow revolution

  • white revolution

  • blue revolution


Powdery mildew of wheat is caused by a species of

  • Puccinia

  • Erysphe

  • Ustilago

  • Albugo


Synsacrum of fowl consists about

  • 29 vertebrae

  • 3 vertebrae

  • 16 vertebrae

  • single vertebrae


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In rabbit, head of epididymis present at the head of testis is called

  • vas deferens

  • cauda epididymis

  • gubernaculum

  • caput epididymis


Bull semen is stored in

 

  • liquid carbon dioxide

  • liquid oxygen

  • liquid nitrogen

  • ice


Three crops that contribute maximum to global food grain production are

  • wheat, rice and maize

  • wheat, maize and sorghum

  • rice, maize and sorghum

  • wheat, rice and barley


Which is correctly matched?

  • Apiculture - Honey bee

  • Pisciculture - Silk moth

  • Sericulture - Fish

  • Aquaculture - Mosquito


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Covered smut of barley is caused by

  • Ustilago hordei

  • Tilletia caries

  • Ustilago nudo

  • Colletotrichum falcatum


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