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Strategies for Enhancement in Food Production Test - 77

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Strategies for Enhancement in Food Production Test - 77
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  • Question 1
    1 / -0
    Urease enzyme was obtained from
    Solution
    Urease is an enzyme that catalyzes the hydrolysis of urea into carbon dioxide and ammonia. Jack bean (Canavalia ensiformis) forms a new protein, which crystallizes beautifully and whose solutions possess to an extraordinary degree, the ability to decompose urea into ammonium and carbon dioxide. 
    Thus, the correct answer is option B. 
  • Question 2
    1 / -0
    Breeding of crops with high levels of minerals, vitamins and proteins is called
    Solution
    Correct option: D
    Explanation for correct option -

    • Biofortification is the technique of breeding crops to increase their nutritional value. 
    • This can be done either through conventional selective breeding or through genetic engineering. 
    • It differs from ordinary fortification because it focuses on making plant foods more nutritious as the plants are growing, rather than having nutrients added to the foods when they are being processed. 
  • Question 3
    1 / -0
    Pasturage is related to 
    Solution
    Pasturage is related to apiculture. It is the availability of flowers from which bees collect nectar and pollen. It is related to the production of honey as it determines the taste and quantity of honey. So, it plays a very important role in apiculture- that is, the rearing of honeybees for bee wax and honey production. So, the correct answer is option C.
  • Question 4
    1 / -0
    The gestation period of elephant is about
    Solution
    Smaller species normally have a shorter gestation period than larger animals. For example, a cat's gestation normally takes 58-65 days while an elephant takes nearly 2 years (22 months). The average gestation period of an elephant is about 640 to 660 days or roughly 95 weeks. Elephants have the longest gestation period of all mammals. 
  • Question 5
    1 / -0
    Life span of worker honey bee is of 
    Solution
    Honey bees are categorized into three group queen fertile female, drone male and infertile female i.e., worker bees. Worker honey bees have a life span of only six weeks during honey production seasons. They collect food, storing nectar, feeding larvae and producing honey. The first few weeks of a workers life are spent working within the hive, while the last weeks are spent foraging for food and gathering pollen or nectar.
  • Question 6
    1 / -0
    Which of the following poultry bird lays maximum number of eggs annually?
  • Question 7
    1 / -0
    Plants providing nectar and pollen to the honey bee are collectively called 
    Solution
    The quality and taste of honey depends upon the flora, pasturage or orchards available for the nectar and pollen collection. Pasturage/ orchard flora of honey bees include a variety of flowering plants such as mango (aam), coconut (narial), almond (badam), tamarind (imli), ber, berseem, litchi, cotton, shishame, apple, mahua, coriander, cashew, coffee, rubber plants, guava, sunflower, neem, etc. So, the correct answer is 'Pasturage'.
  • Question 8
    1 / -0
    Which one of following breeds of cattle is a cross-breed and high milk yielding ?
    Solution
    Karan Swiss is the hybrid variety and high milk yielding breed of cow. It is the hybrid breed of Taurine and Zebu. Taurine is used for milk production, while Zebu is used for flesh.
  • Question 9
    1 / -0
    Main sugar present in the honey is  
    Solution
    Levulose is a simple sugarfound in honey and in many ripe fruits. Its a sirupy variety of sugar, rarely obtained in crystallized form present widely in honey.
  • Question 10
    1 / -0
    Callus formation is promoted by
    Solution
    Subculturing refers to transfer of callus on fresh culture media after regular interval. This is done because of reduced nutrient level of media and accumulation of toxic substances as produced by callus. Proper light induces differentiation of callus into root and shoot.
    NAA is an auxin, which favors cell proliferation and root differentiation. 
    Basic minimal salt concentration and presence of sugar is the absolute requirement for callus culture maintenance.
    So, the correct answer is 'Proper light and subculturing'
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