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Strategies for Enhancement in Food Production Test - 74

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Strategies for Enhancement in Food Production Test - 74
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  • Question 1
    1 / -0
    What is the waxy substance produced by honey bee to repair combs called as?
    Solution
    Propolis or bee glue is a resinous mixture that honey bees collect from tree buds, sap flows, or other botanical sources. It is used for sealing unwanted open spaces in the hive. Propolis is used for small gaps while larger spaces are usually filled with beeswax. Propolis is sticky at and above room temperature, 20o^oC (68o^oF). At lower temperatures, it becomes hard and very brittle.
    So, the correct answer is 'Propolis'
  • Question 2
    1 / -0
    Match the following.

      List I  List II
     A Cirrhinus 1 Rohu
     B Labeo 2 Mrigal
     C Heteropneustes 3 Singara
     D Mystus 4 Singi

    Solution
    Cirrhinus (mrigal) is a genus of fish in the family Cyprinidae, the carps and minnows. Members of this genus are native to freshwater in South Asia, Indochina and southern China.
    Labeo (rohu) is a genus of carps in the family Cyprinidae. They are found mainly in the 'Old World tropics'.
    Heteropneustes (Singi), the air sac catfishes, is a genus of catfishes native to Asia. This genus is the only one in its family.
    Mystus vittatus (singara), the striped dwarf catfish, is a species of catfish of the family Bagridae. It is found in brackish water systems with marginal vegetation in lakes and swamps with a mud substrate of Asian countries.
    Therefore, the correct answer is option A.
  • Question 3
    1 / -0
    In which part of the body, honey bee keep the nectar for sometime? 
    Solution
    Honey is made using the nectar of flowering plants and is saved inside the beehive for eating during times of scarcity. Nectar is extracted from flowers using a bee's long, tube-shaped tongue and stored in its extra stomach, or crop. While in the crop, the nectar mixes with enzymes that transform its chemical composition and pH, making it more suitable for long-term storage.
  • Question 4
    1 / -0
    Match the animal with the product they are primarily associated with.

      List I  List II
     AOvis aries 1Oil
     BBos indicus 2Flesh
     CMystus seenghala 3Milk
     DSibbaldus musculus 4Fur
    Solution
    Sheep (Ovis aries) are quadrupedal, ruminant mammals typically kept as livestock. They are members of the order Artiodactyla, the even-toed ungulates. It produces fur.
    Bos indicus is a species or subspecies of domestic cattle originating in South Asia. They are known as zebu. Zebu is characterized by a fatty hump on their shoulders, a large dewlap and sometimes drooping ears. It is primarily used for producing milk.
    Mystus seenghala (commonly known as tengra) is a genus of small to medium-sized bagrid catfishes, that occur in South and Southeast Asia. It is used for its flesh.
    Sibbaldus musculus commonly known as a blue whale. It is the largest of all the mammals. Whale oil is oil obtained from the blubber of whales. 
    Hence, the correct answer is option A.
  • Question 5
    1 / -0
    Which one of the following set is useful animals as medicinal value to mankind?
    Solution
    Apis indica is the India breed of honey bee used for the production of honey and beewax. Lytha and Mylabris are beetles whose dried elytra is used to extract cantharidin oil. Blatta is a medicine prepared from the cockroach. Blatta orientalis used for asthma and dropsy. 
    Therefore, the correct answer is option D.
  • Question 6
    1 / -0
    Which of the following statement about bee colony is wrong?
    Solution
    Honey bee queen control the sex of their offspring as eggs pass through the ovary into the oviduct, a queen can determine whether a particular egg is fertilized or not. Unfertilized eggs become drone honey bees, while fertilized eggs develop into female workers and queens. Female workers do not mate, but they can lay infertile eggs, which in turn become male honey bees.
  • Question 7
    1 / -0
    The process of elimination of diseased birds from a flock is called 
    Solution
    • Culling is the organized, systematic elimination of unwanted birds from a flock, if a significant portion of the flock is suffering or recovering from a minor disease. 
    • Culling is done as a part of bio-security and disease management. 
    • Culling is to eliminate contact between poultry and wild birds in order to reduce the risk of the spread of infection.

    Hence answer is 'Culling'.
  • Question 8
    1 / -0
    Agar is added to tissue culture for
    Solution
    Agar is used in tissue culture as a solidifying agent. It is also called as gelling agent as it provides anchorage to the growing tissue. It also provides micronutrients like calcium, iron, potassium, magnesium, zinc, folate.
  • Question 9
    1 / -0
    Cajanus cajan is commonly known as
    Solution
    The pigeon pea (Cajanus cajan) is a perennial legume from the family Fabaceae. Since its domestication in South Asia at least 3,500 years ago, its seeds have become a common food grain in Asia, Africa, and Latin America.

  • Question 10
    1 / -0
    Examples of recalcitrant seeds are
    Solution
    Recalcitrant seeds are also called the unorthodox seeds. These seeds cannot be stored below the moisture level of 20-30%. These seeds cannot tolerate the freezing and cannot be stored for a longer period. These seeds belong to the tropical or temperate region trees that have high moisture content in them. Mango, cocoa and rubber are the examples of recalcitrant seeds. Cereala and legumes are the examples of orthodox seeds.
    Hence, the correct is 'Mango, cocoa, rubber'. 
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