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NEET Biology · Strategies for Enhancement in Food Production · Set 1 (Q1-18)

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  1. 1.
    ‘Himgiri’ developed by hybridization and the selection for disease resistance against rust pathogens is a variety of
    1. (1)Maize
    2. (2)Sugarcane
    3. (3)Wheat
    4. (4)Chilli
  2. 2.
    In vitro clonal propagation in plants is characterized by
    1. (1)PCR and RAPD
    2. (2)Northern blotting
    3. (3)Electrophoresis and HPLC
    4. (4)Microscopy
  3. 3.
    Which one of the following is a case of wrong matching?
    1. (1)Somatic hybridization – Fusion of two diverse cells
    2. (2)Vector DNA – Site for t-RNA synthesis
    3. (3)Micropropagation – In vitro production of plants in large numbers
    4. (4)Callus – Unorganized mass of cells produced in tissue culture
  4. 4.
    An improved variety of transgenic basmati rice
    1. (1)Does not require chemical fertilizers and growth hormones.
    2. (2)Gives high yield and is rich in vitamin-A.
    3. (3)Is completely resistant to all insect pests and diseases of paddy.
    4. (4)Gives high yield but has no characteristic aroma.
  5. 5.
    Among the following edible fishes, which one is a marine fish having rich source of omega-3 fatty acids?
    1. (1)Mangur
    2. (2)Mrigala
    3. (3)Mackerel
    4. (4)Mystus
  6. 6.
    Outbreeding is an important strategy of animal husbandry because it:
    1. (1)Is useful in producing purelines of animals
    2. (2)Is useful in overcoming inbreeding depression
    3. (3)Exposes harmful recessive genes that re eliminated by selection
    4. (4)Helps in accumulation of superior genes
  7. 7.
    In plant breeding programmes, the entire collection (of plants/seeds) having all the diverse
    alleles for all genes in a given crop is called
    1. (1)Selection of superior recombinants
    2. (2)Cross–hybridization among the selected parents
    3. (3)Evaluation and selection of parents
    4. (4)Germplasm collection
  8. 8.
    Consider the following statements (A to D) about organic farming:
    (A) Utilizes genetically modified crops like Bt cotton.
    (B) Uses only naturally produced inputs like compost.
    (C) Does not use pesticides and urea.
    (D) Produces vegetables rich in vitamins and minerals.
    1. (1)B, C, and D
    2. (2)C and D only
    3. (3)B and C only
    4. (4)A and B only
  9. 9.
    Green revolution in India occurred during
    1. (1)1970’s
    2. (2)1980’s
    3. (3)1950’s
    4. (4)1960’s
  10. 10.
    You are given a tissue with its potential for differentiation in an artificial culture. Which of the
    following pairs of hormones would you add to the medium to secure shoots as well as roots?
    1. (1)Auxin and cytokinin
    2. (2)Auxin and abscisic acid
    3. (3)Gibberellin and abscisic acid
    4. (4)IAA and gibberrellin
  11. 11.
    Interspecific hybridization is the mating of
    1. (1)Two different related species
    2. (2)Superior males and females of different breeds
    3. (3)More closely related individuals within same breed for 4 – 6 generations
    4. (4)Animals within same breed without having common ancestors
  12. 12.
    ‘Jaya’ and ‘Ratna’ developed for green revolution in India are the varieties of
    1. (1)Rice
    2. (2)Wheat
    3. (3)Bajra
    4. (4)Maize
  13. 13.
    To obtain virus-free healthy plants from a diseased one by tissue culture technique, which part/
    parts of the diseased plant will be taken?
    1. (1)Apical meristem only
    2. (2)Palisade parenchyma
    3. (3)Both apical and axillary meristems
    4. (4)Epidermis only
  14. 14.
    Consumption of which one of the following foods can prevent the kind of blindness associated with vitamin ‘A’ deficiency?
    1. (1)‘Flavr Savr’ tomato
    2. (2)Canola
    3. (3)Golden rice
    4. (4)Bt Brinjal
  15. 15.
    Which part would be the most suitable for raising virus-free plants for micropropagation?
    1. (1)Bark
    2. (2)Vascular tissue
    3. (3)Meristem
    4. (4)Node
  16. 16.
    Breeding of crops with high levels of minerals, vitamins and proteins is called
    1. (1)Somatic hybridization
    2. (2)Biofortification
    3. (3)Biomagnification
    4. (4)Micropropagation
  17. 17.
    A technique of micro propagation is
    1. (1)Somatic hybridization
    2. (2)Somatic embryogenesis
    3. (3)Protoplast fusion
    4. (4)Embryo rescue
  18. 18.
    Consider the following four statements (a to d) and select the option which includes all the correct ones only:
    (A) Single cell spirulina can produce large quantities of food rich in protein, minerals, vitamins, etc.
    (B) Body weight-wise, the microorganisms Methylophilus methylotrophus may be able to produce several times more proteins than the cow per day.
    (C) Common button mushrooms are a very rich source of vitamin C.
    (D) A rice variety has been developed which is very rich in calcium.
    Options:
    1. (1)Statements (a), (c) and (d)
    2. (2)Statements (b), (c) and (A)
    3. (3)Statements (a), (b)
    4. (4)Statements (c), (d)