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Strategies for Enhancement in Food Production Test - 22

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Strategies for Enhancement in Food Production Test - 22
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  • Question 1
    1 / -0
    In those plants whose pulp is of economical importance, they are generally propagated by vegetative means because
    Solution
    They are generally propagated by vegetative means because the produced offspring are practically clones of their parent plants. If a plant has favorable traits, it can continue to pass down its helpful genetic information to its family. This is especially economically advantageous as it allows commercial growers to clone a particular plant to ensure consistency throughout their crops.
    Thus, the correct answer is 'The pulp quality remains same'.
  • Question 2
    1 / -0
    Himgiri developed by hybridisation and selection for disease resistance against rust pathogens is a variety of
    Solution
    Himgiri is a wheat hybrid variety, which yields 26-30 qtls/ha. It is a disease resistance variety to stripe rust or yellow rust. This is Triticum aestivum species. The variety was developed by IARI. Thus, the correct answer is option A.
  • Question 3
    1 / -0
    Sugarcane breeding research institute (SBRI) is situated at
    Solution
    'Sugarcane Breeding Institute' is the sugarcane research and development institute located in Coimbatore, India. On the 1st day of April 1932, a sub-station of the 'Sugarcane Breeding Institute', Coimbatore (Tamil Nadu) was established at Karnal (Haryana) with funds provided by the then 'Imperial Council of Agricultural Research' (now the Indian Council of Agricultural Research abbreviated as ICAR). 
    Thus, the correct answer is option B.
  • Question 4
    1 / -0
    The resistant variety of rice to bacterial blight is ?
    Solution
    The resistant variety of rice to bacterial blight is IR8 which is a semi-dwarf rice variety developed by the 'International Rice Research Institute' (IRRI). It could produce more grains of rice per plant, when grown with certain fertilizers and irrigation. Thus, option D is correct. 
  • Question 5
    1 / -0
    What are micro-mutations?
    Solution
    Micro-mutation is a small-scale or highly localized mutation especially one involving alteration at a single gene locus. Thus, option C is correct. 
  • Question 6
    1 / -0
    Yak gives us 
    Solution
    • The yak is a long-haired bovid and is found in Tibet, Ladakh, Garhwal, Kumaon, Sikkim, Lahaul and Spiti. It is reared in high mountainous regions for meat, hide or skin, wool, milk, transport and tilling. 

    Hence, option D is correct.
  • Question 7
    1 / -0
    In honeybee, royal jelly is secreted from which of the following gland?
    Solution
    Royal jelly is secreted by the hypo-pharyngeal gland (sometimes called as the brood food gland) of young worker (nurse) bees, to feed young larvae and the adult queen bee. Royal jelly is always fed directly to the queen or the larvae as it is secreted; it is not stored.
  • Question 8
    1 / -0
    The number of calves produced during its whole reproductive period of a cow or buffalo is 

    Solution
    Cow or buffalo are the milch animal and produces 8 - 10 calves during its productive life time if a cow is on pasture and well taken care of. 

    Therefore, the correct answer is option A.
  • Question 9
    1 / -0
    Worker bees are 
    Solution
    The worker bees are sterile females and cannot reproduce. They perform all function for the hives and thus, called as worker honey bee. They have the responsibility of maturing honey, feeding the larvae and drones, grooming the queen, cleaning cells, producing wax, pollinating flowers and much more. Hence, option A is correct.
  • Question 10
    1 / -0
    Reproducing plants by cells instead of seeds is called as
    Solution
    • Tissue culture is a process that involves exposing plant tissue to a specific regimen of nutrients, hormones, and light under sterile, in vitro conditions to produce many new plants, each a clone of the original mother plant, over a very short period of time. 
    • The term plant tissue culture (micro propagation) is generally used for the aseptic culture of cells, tissues, organs and their components under defined chemical and physical conditions in vitro.

    So, the correct answer is option A.
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