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Strategies for Enhancement in Food Production Test - 83

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Strategies for Enhancement in Food Production Test - 83
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  • Question 1
    1 / -0
    Apis dorsata is
    Solution
    • Apis dorsata is a rock bee as it is found in sub-mountainous region of India over an altitude of 2700m.  It is the largest bee among the other bees produces 36 Kg of honey per year per comb.
    • Apis florea is called as a little bee as its size is very small and it is the smallest among the species of Apis. 
    • Apis mellifera is called a European bee which builds parallel combs and produces 25-40 Kg honey per year.
    • Apis cerana indica is an Indian bee which constructs multiple parallel combs and produces 6-8 Kg honey per colony per year. 
    So, the correct option is 'Option B' .
  • Question 2
    1 / -0
    ____ and ____ are unicellular algae, rich in proteins, that are used as food supplements even by space travellers. 
    Solution
    • Chlorella (green alga), as a food supplement is rich in protein and carbohydrates. It yields about 30% proteins, 15% lipids, 30% carbohydrates, and 5% ash. 
    • Spirulina platensis (blue-green alga) is one of the richest sources of protein and vitamin $$B_{2}$$. 
    • In long-range space exploration, scientists have turned to Chlorella and Spirulina to use them as portable oxygen generators and food sources.
    So, the correct answer is option A.
  • Question 3
    1 / -0
    Pyrilla is a
    Solution
    Pyrilla is the most destructive foliage-sucking pest of sugarcane. Heavy rainfall followed by 75-80% humidity, intermittent drought periods, high temperature (26-300c) and wind movement favours rapid build-up of the pest. Cane yield loss is about 28% while 1.6% unit loss in sugar content. Due to continuous desapping by large number of hoppers, top leaves in the affected canes dry up and lateral buds germinate. The hoppers exude a sweet sticky fluid known as honeydew, which promotes quick and luxuriant growth of the fungus, Capanodium species and as a result the leaves are completely covered by the sooty mould.
    So the correct option is 'an insect pest'.
  • Question 4
    1 / -0
    Select the correct statements regarding honeybees.
    (i) The queen bee and the worker bees develop from fertilised eggs and are sexually females.
    (ii) Males (drones) develop parthenogenetically. from unfertilised eggs.
    (iii) Queen bee feeds upon royal jelly and the worker bees feed upon bee bread.
    Solution
    The female queen bee produces new offspring by laying eggs that have been fertilized by sperm from male drones. These drones are raised in cells that are significantly larger than the cells used for workers. A type of asexual reproduction in which egg develops without fertilization to form a new individual. If parthenogenesis (type of asexual reproduction in which egg develops without fertilization to form a new individual) takes place in bees, a drone or male bee is produced. Royal jelly is a honey bee secretion that is used in the nutrition of larvae, as well as adult queens. It is secreted from the glands in the hypo-pharynx of nurse bees while the worker bees are fed the bee bread. As a result of the difference in diet, the queen will develop into a sexually mature female, unlike the worker bees. Queens are raised in specially constructed queen cells.
    So, the correct option is '(i), (ii) and (iii)'.
  • Question 5
    1 / -0
    The chances of contracting bird flu from a properly cooked (above $$100^0C$$) chicken and eggs are:
    Solution
    Chicken and other poultry products are safe to eat if cooked properly. While cooking poultry to 70 degrees celsius, it kills the H5N1 virus, which causes bird flu. 
    Therefore, it is recommended to cook meat above 74 degrees celsius to kill all food-borne pathogens. 
    So, the correct option is 'Option D'.
  • Question 6
    1 / -0
    The scientific process by which crop plants are enriched with certain desirable nutrient is called:
    Solution
    • The scientific process of breeding crops or using genetically engineered crops with higher level of selected micronutrients like vitamins and or minerals is called bio-fortification. It is the most practical means to improve public health. 
    • Example, Golden rice which is enriched with Vitamin A.
    • Biofortification of rice, Cassava, Sweet potato etc with Iron
    • Biofortification of Wheat,  beans, Maize etc with Zinc
    • Breeding is the mating and production of offsprings of animals through natural or artificial process
    • Crop protection is the collection of tools, products and practises farmers used to defend their crops against weeds, insects and disease. 
    • Bio remediation is a process used to treat contaminated media by altering environmental conditions to stimulate growth of microorganisms. 
    • So, the correct option is 'Option C ' .
  • Question 7
    1 / -0
    Which one of the following products of apiculture is used in cosmetics and polishes?
    Solution
    A.Correct option - C

    B.Explanation for correct option -C

    • Apiculture or beekeeping is the maintenance of beehives for honey production. 
    • Beeswax is a product made from the honeycomb of the honeybee and other bees.
    • In manufacturing, yellow and white beeswax are used as thickeners, emulsifiers, and as stiffening agents in cosmetics. 
    • White beeswax is also used to polish pills.
  • Question 8
    1 / -0
    Which of the following crop varieties correctly matches with its resistance to a disease?
    Solution
     Variety  Resistance to diseases
     Pusa Komal Bacterial blight
     Pusa SadabaharChilly mosaic virus, Tobacco mosaic virus and leaf curl
     Pusa swarnim White rust
     Pusa Shubhra black rot
    So, the correct option is 'Option A' .
  • Question 9
    1 / -0
    Which of the following is a diseases resistant high yielding breed of poultry developed in Karnataka?
  • Question 10
    1 / -0
    A queen honeybee lays eggs of
    Solution
    Queen honey-bee is regarded as the mother of most honeybees that live in a hive. It refers to an adult, mated female. Queens develop from larvae selected by worker bees and specifically fed to become sexually mature. It is the largest of all bees. It gives birth to two types of bees.
    So, the correct option is 'Two types, one forming queen and workers and seconds type forming drones'.
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