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Strategies for Enhancement in Food Production Test - 66

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Strategies for Enhancement in Food Production Test - 66
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  • Question 1
    1 / -0
    Which non-toxic, fast growing cyanobacterium is cultivated in tanks as a protein-rich animal feed?
    Solution
    Spirulina represents a biomass of cyanobacteria (blue-green algae) that can be consumed by humans and other animals. The two species are Arthrospira platensis and A. maxima. Cultivated worldwide, Arthrospira is used as a dietary supplement or whole food. It is also used as a feed supplement in the aquaculture, aquarium, and poultry industries. Spirulina was found in abundance at Lake Texcoco by French researchers in the 1960s, but no reference to its use was made by the Aztecs as a daily food source after the 16th century, probably due to the draining of the surrounding lakes for agriculture and urban development. As an ecologically sound, nutrient-rich, dietary supplement, spirulina is being investigated to address food security and malnutrition, and as dietary support in long-term space flight or Mars missions. Its interest for food security is for lower land and water needs to produce protein and energy than required for livestock as meat sources.
    So the correct option is 'spirulina'.
  • Question 2
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    Which of the following is a correct match between crop, variety and resistance to diseases?
    Solution
    • Himgiri is a variety of wheat that is resistant to yellow rust or stripe rust.
    • Pusa Sadabahar is a variety of chili resistant to leaf curl and chili mosaic virus.
    • Pusa Komal is a variety of cowpea resistant to bacterial blight.
    • Pusa Swarnim is a variety of brassica resistant to white rust.
    So, the correct answer is option C. 
  • Question 3
    1 / -0
    Which of the following problem does the frequent deep sea diver organism like whales may face?
    Solution
    Diving to depth can result in mechanical distortion and tissue compression, especially in gas-filled spaces of the body. Absorption of nitrogen into blood can cause high blood nitrogen levels which can exert amniotic effect. Lungs of the deep-diver cannot serve as a source of oxygen during the dive. 
  • Question 4
    1 / -0
    Any organism that damages the economic and physical well-being of humans is called
  • Question 5
    1 / -0
    Cryopreservation is the preservation of germplasm at very low temperature of around  
    Solution
    Cryopreservation is the process of freezing biological material such as germplasm at extremely low temperatures. The preferred temperature is mostly -196 °C/-321 °F in liquid nitrogen.
    So, the correct option is '−196 degrees Celcius'.
  • Question 6
    1 / -0
    The major component of honey is
    Solution
    Honey is a sweet, viscous food substance produced by bees and some related insects. Bees produce honey from the sugary secretions of plants (floral nectar) or from secretions of other insects such as honeydew). They do this by regurgitation, enzymatic activity, and water evaporation. Honey is stored in wax structures called honeycombs. Honey gets its sweetness from the monosaccharides fructose and glucose, and has about the same relative sweetness as sucrose (granulated sugar). It has attractive chemical properties for baking and a distinctive flavor when used as a sweetener.
    So the correct option is 'fructose'.
  • Question 7
    1 / -0
    Nobel Prize for deciphering the language of bees was awarded to
    Solution
    Karl von Frisch decoded the language of the bee. For his work, he got the  Nobel Prize in 1973.
    So, the correct option is 'K. V. Frisch'.
  • Question 8
    1 / -0
    Stock-farming refers to
    Solution
    Stock farming is the practice of keeping a livestock farm. An example of stock farming is having a goat and sheep farm.

    So, the correct answer is 'Farming concentrating on the rearing of cattles and sheep'.
  • Question 9
    1 / -0
    Blue Revolution is associated with 
  • Question 10
    1 / -0
    Which substances is present in the poison of honey-bee?
    Solution
    Melittin is the venom present in honeybee (Apis mellifera). It is a polypeptide chain consisting of 26 amino acids. Honeybee uses this venom as a self defence from intruders. This poison has strong effect on cell membranes causing pore formation in epithelial cells and causing pain destruction of blood cells.
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