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General Knowledge :: Biology

Biology - Section 1
Biology - section-3
Biology - section-4
Biology - section-5
Biology - section-6
Biology - section-7
Biology - section-8
Biology - section-9
Biology - section-10
Biology - section-11
Biology - section-12
Biology - section-13
Biology - section-14
Biology - section-15
Biology - section-16
Biology - section-17
Biology - section-18
Biology - section - 2

  1. Normal adult human male has

    2. A.
    10 gram of haemoglobin/100 gram of blood
    B.
    14 gram of haemoglobin/100 gram of blood
    C.
    18 gram of haemoglobin/100 gram of blood
    D.
    24 gram of haemoglobin/100 gram of blood

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  2. Plants wilt due to excess of

    3. A.
    transpiration
    B.
    photosynthesis
    C.
    absorption
    D.
    None of these

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  3. Monotremes are unique mammals because they

    4. A.
    posses hair
    B.
    give birth to live young
    C.
    secret milk in a pouch
    D.
    lay eggs

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  4. Poison glands of snakes are homologous to

    5. A.
    electric organs of fishes
    B.
    stings of rays
    C.
    sebaceous glands of mammals
    D.
    salivary glands of vertebrates

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  5. Radical vascular bundles are those in which

    6. A.
    xylem is surrounded by phloem
    B.
    phloem is surrounded by xylem
    C.
    xylem and phloem occur on the same radius
    D.
    xylem and phloem occur on the different radii

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  6. Plant bends towards the source of light on account of the movement of curvature known as

    7. A.
    geotropism
    B.
    thigmotropism
    C.
    chemotropism
    D.
    phototropism

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  7. Plant have ____ while animals lack it.

    8. A.
    starch
    B.
    cellulose
    C.
    protein
    D.
    fat

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  8. Osmosis is the flow of solution from higher concentration to a solution of lower concentration through a semi permeable membrane. What is incorrect in this statement?

    9. A.
    Exact concentration of solution is not given
    B.
    Character of semi permeable membrane is not given
    C.
    The flow of solution is not possible through semi permeable membrane
    D.
    All are incorrect

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  9. Photosynthesis is a process

    10. A.
    reductive and exergonic
    B.
    reductive and catabolic
    C.
    reductive, endergonic and catabolic
    D.
    reductive, endergonic and anabolic

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  10. On which of the following plants did Gregor Mendal perform his classical experiment?

    11. A.
    Gram
    B.
    Maize
    C.
    Pea
    D.
    Wheat

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