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Strategies for Enhancement in Food Production Test - 54

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Strategies for Enhancement in Food Production Test - 54
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  • Question 1
    1 / -0
    A true breeding plant is
    Solution
    True-breeding plants are plants which produce offsprings with the same traits upon self-fertilization. These are near homozygous and produces offsprings of its kind. They are genetically identical. They show either homozygous dominant or homozygous recessive phenotype.
    Thus, the correct answer is 'Near homozygous and produces offspring of its kind..'
  • Question 2
    1 / -0
    Birds reared for eggs only are ________.
  • Question 3
    1 / -0
    Which one shows arrhenotoky in development?
    Solution
    In most honey bees, unfertilized eggs develop into haploid males via arrhenotokous parthenogenesis. The Cape honey bee (Apis mellifera capensis) is different. Although mated queens always produce females sexually, if workers lay unfertilized eggs the eggs develop into diploid females via thelytokous parthenogenesis.

    So, the correct answer is 'Apis'.
  • Question 4
    1 / -0
    Male Honey Bee is?
  • Question 5
    1 / -0
    This has not been produced by selective breeding from wild mustard _______________.
    Solution

  • Question 6
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    Breeding in Fowl is done between :
    Solution
    Answer C) Two year old hen and are year old cock usually a rooter reacts its mortality of 5 moths old. But young rooters are not wood 10 breed because they are case effective. So the rooter of an year old is used for breeding.
    A hen also grows and molecular of an age of 6 months But the hen is allowed to grow fully and matured. Hence, two year old hen is used.
  • Question 7
    1 / -0
    A fresh water fish is :
  • Question 8
    1 / -0
    Eggs of chicken are incubated at _____________.
    Solution
    Egg to chick in 3 weeks and require a constant temperature of $$ 37.5^{\circ}C. $$ Eggs will start to produce their own heat in the latter stages of development but the incubator thermostat takes care of this, keeping the temperature the same throughout the incubation period. It is same as human body temperature & the incubator maintenance the atmospheric carbon dioxide & nitrogen levels necessary to promote cell growth.
  • Question 9
    1 / -0
    Breeding for disease resistance requires
  • Question 10
    1 / -0
    Layers continue to lay eggs upto period of ___________.
    Solution
    Option 'A' is correct
    Layers continues to lay eggs upto period of 12-15 months. Birds usually start to lay at around five months (20-21 weeks) of age and continue to lay for 12 months (52 weeks) or average, laying fewer eggs as they are near the moulting period. They typical reproductive cycle lasts about 17 months (72 weeks).
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