CBSE  /  Class 12  /  Biology  /  Strategies for Enhancement in Food Production

  • 1. 
    Zoological name of Indian buffalo is:

  • Bubalus bubalus
  • Bos indicus
  • Bos taurus
  • Gallusgallus

  • 2. 
    The best milk breed in the world is:

  • Chittgong
  • Deoni
  • Holstein-Friesian
  • Sindhi

  • 3. 
    There crops that contribute maximum to global food grain production are :

  • Wheat, rice and maize
  • Wheat rice and barley
  • Wheat, maize and sorghum
  • Rice, maize and sorghum

  • 4. 
    The world’s highly prized wool yielding ‘Pashmina’ breed is :

  • Sheep
  • Goat
  • Goat-sheep cross
  • Mashmir sheep-Afghan sheep cross

  • 5. 
    Both in callus and suspension culture commonly used auxin is:

  • NAA
  • IEA
  • 2-4D
  • Abscisic acid

  • 6. 
    Somatic hybridization can be done by:

  • By Protoplast fusion
  • By Haploid anther
  • By Cell culture
  • By Totipotency

  • 7. 
    India’s w heat yield revolution in the 1986s was possible primarily due to:

  • Mutations resulting in the plant height reduction
  • Quantitative trait mutations
  • Hybrid seeds
  • Increased chlorophyll content

  • 8. 
    One of the following is a disease of poultry:

  • Anthrax
  • Pebrine disease
  • Ranikhet disease
  • Foot and mouth disease

  • 9. 
    Choose the cat fish from the following:

  • Katla Katla
  • Wallage attu
  • Labeo rohita
  • Cirrhinus mrigaja

  • 10. 
    The technique of obtaining large number of plantlets by tissue culture method is called :

  • Organ culture
  • Micro-propagation
  • Macro-propagation
  • Plantlet culture
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