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    Home MCQ examination Jamb Biology 2017

    Biology 2017 Jamb Examination

    Biology 2017 Jamb Examination
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    1234...6

    Question 21

    Agglutination is the _______ of the ________
    Show explanation Expand Question
    Agglutination refers to the clumping or coagulation of red blood cells in response to an antigen-antibody reaction. This immune response helps identify and neutralize foreign substances in the bloodstream.
    Not clear enough?

    Question 22

    What organelle is the site of photosynthesis in plants?
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    Chloroplasts are specialized organelles in plant cells that contain chlorophyll. They capture light energy and convert it into chemical energy through photosynthesis, producing oxygen and organic compounds for plant metabolism.
    Not clear enough?

    Question 23

    Which of the following is a characteristic of bacteria except _______?
    Show explanation Expand Question
    Bacteria are microscopic, single-celled organisms that vary in shape and size. While many are harmless, some are pathogenic. The statement that they do not cause disease is incorrect, as several bacteria are known to cause illnesses.
    Not clear enough?

    Question 24

    The level of organization of Amoeba and Euglena cell is ________
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    Amoeba and Euglena are unicellular organisms. Their entire structure consists of a single cell performing all life functions. Therefore, their level of organization is at the cellular level, without tissues or organs.
    Not clear enough?

    Question 25

    The appendicular skeleton comprises of
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    The appendicular skeleton consists of the limbs and the girdles (pectoral and pelvic) that attach the limbs to the axial skeleton. This part of the skeleton allows movement and interaction with the environment.
    Not clear enough?

    Question 26

    When an ovary is placed on the receptacle above the other floral parts it is referred to as
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    A superior ovary is positioned above the other floral parts such as petals, sepals, and stamens. This arrangement affects pollination and fruit development and is an important trait in plant classification.
    Not clear enough?

    Question 27

    The type of nutrition exhibited when an organism lives on the body surface or inside the body of another type of organism is
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    Parasitic nutrition involves an organism obtaining nutrients by living on or inside a host, often harming it. Parasites have adaptations to exploit the host while avoiding detection or defense mechanisms.
    Not clear enough?

    Question 28

    An example of organism which exists as a colony is
    Show explanation Expand Question
    Volvox is a colonial green alga consisting of many individual cells embedded in a gelatinous matrix. The cells work together for movement and reproduction, showing primitive multicellular cooperation.
    Not clear enough?

    Question 29

    The following are examples of morphological variation except
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    Morphological variations are observable physical traits like size, color, or fingerprint patterns. The ability to taste PTC is a genetic trait, not a morphological one, so it does not qualify as a morphological variation.
    Not clear enough?

    Question 30

    Ability to taste PTC in some individuals is a character that is
    Show explanation Expand Question
    The ability to taste PTC is a heritable trait controlled by specific genes. It is passed from parents to offspring and demonstrates genetic variation within populations rather than being acquired through environmental influence.
    Not clear enough?
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