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Strategies for Enhancement in Food Production Test - 17

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Strategies for Enhancement in Food Production Test - 17
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  • Question 1
    1 / -0
    A plant having low nutritional value is subjected to which of the following technique?
    Solution
    Biofortification is the method in which the food is added or supplemented with the required nutrients. This can be done either through selective breeding or genetic modifications. Breeding of crops with improved nutritional quality is undertaken to improve the content of proteins, oil, vitamins, minerals, and micronutrients in crops. The plant which has low nutritional value can interbreed with some plant which has high nutritional value to produce a new variety of plant.
    Thus, the correct answer is option A. 
  • Question 2
    1 / -0
    Apiculture is done to obtain the following substances.
    I. Bees wax
    II. Honey
    III. Pear
    IV. Gold
    Solution
    The practice of bee keeping its management and study of honey bee is called an apiculture. It is done to get honey and bees wax.
    Thus, the correct answer is option A.
  • Question 3
    1 / -0
    The quality and taste of honey depends upon the flower visited by 
    Solution
    The quality and taste of honey depend on upon the flower visited by bees. This is turn depends on pasturage. As bees feed on the nectar produced by the flowers.
  • Question 4
    1 / -0
    Which of the following nutritional quality can be improved by biofortification?
    Solution
    Biofortification is the method in which the food is added or supplemented with the required nutrients. It is a process of breeding crops with higher levels of vitamins, minerals, proteins, and fat content. The new varieties of legume plants can be developed through hybridization to produce more amount of proteins in the seeds. The plants whose seeds are used for the extraction of oil can be fortified to produce more oil. The staple crops like rice can be fortified to produce beta-carotene which is the precursor form of vitamin A. 
    Thus, the correct answer is option D. 
  • Question 5
    1 / -0
    Which of the following honey bee collects the nectar?
  • Question 6
    1 / -0
    A cell from leaf is made to grow into complete plant under culture conditions. It shows cellular
    Solution
    Totipotency is the ability of the plant to generate new cell by cell division. A cell from leaf is made to grow into complete plant under culture conditions. The cell of the leaf used for the culture is taken from the tip of the leaf and it has ample amount of meristematic cell. The meristematic cell of the leaf is grown on a cultured media it develops into a undifferentiated mass of callus. The cells of callus have active nucleus and cytoplasm so they are totipotent. The totipotent cells of callus differentiate on treating with growth hormone. Callus when treated with auxin it promotes rooting and when it is treated with cytokinin it stimulates cell maturation, differentiation and finally, promotes the development of stem. 
    So, the correct answer is option B.
  • Question 7
    1 / -0
    Broody hens
  • Question 8
    1 / -0
    An indigenous fish used in biological control is
    Solution

    A. Catla is a major carp fish and is economically important.
    B. Labestes is a larvivorous fish and feeds on other fishes.
    C. Gambusia is known as mosquito fish as it feeds on the larva of the mosquitoes.
    D. Aplocheilus is known as Killifish and it is an aquarium fish.
    Hence, an indigenous fish used in biological control is Labestes.
    So, the correct answer is 'Labestes'.

  • Question 9
    1 / -0
    Which of the following is the requirement of animal husbandry?
  • Question 10
    1 / -0
    Piece of plant tissue used in tissue culture is
    Solution
    Tissue culture is a biological technique which involves the development of the plant by the totipotent cells under the controlled condition on a nutrient culture medium of the known composition. The totipotent cells are taken from the active part of the plant like root, stem leaf, pollen etc. The plant part which is used for the culture is known as explant. 
    So, the correct answer is option D.
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