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Biology Test 27
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  • Question 1/30
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    1 and 4

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    Consider the following high yielding varieties of crops in India : 1. Arjun     2. Jaya      3. Padma       4. Sonalika Which of these are wheat ?
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    Heparin

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    Which of the following prevents the conversion of prothrombin to thrombin in an undamaged blood vessel?
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    they failed to reach their potential because of the selective action of nature

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    When it was shown that animals could reproduce geometrically but didn\'t, Darwin concluded that ?
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    All enzymes are proteins

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    Which one among the following statements is correct ?
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    Tubulin

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    Spindle fibre is made up of
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    A mollusc

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    Octopus is
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    Submetacentric

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    _______________ chromosomes have short and long arms of unequal length with the centromere more towards one end.
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    Cloves

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    The Dried flower buds are used as a spice in
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    haemoglobin

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    Oxygen in our blood is transported by a protein named?
  • Question 10/30
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    Cave painting>agriculture>burial> pottery

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    Which is correct sequence of evolution of human culture and civilization?
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    DNA and RNA in prokaryotes

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    What is a genophore?
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    Cryogenics

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    The study of phenomena at very low temperatures is called?
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    Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species

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    Which one of the following sequences shows the correct hierarchy of classification, going from the most inclusive to the least inclusive ?
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    Hip-joint replacement

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    In surgery, what is arthoplasty?
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    global wind patterns.

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    The tendency for warm air to rise and cool air to sink results in..
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    Photosynthesis

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    In which of the following processes light energy is converted into chemical energy?
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    C.R. Darwin

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    The "Theory of Natural Selection' was proposed by -
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    A and C

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    Mango contains vitamins?
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    flowering plants

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    Our major foods, fibres, spices, fruits and beverage crops are?
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    vitamin D

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    Which of the following vitamins is produced in the sun's rays ?
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    leaves

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    In which section of the plant does photosynthesis take place ?
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    Blue and red

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    Which of the following types of light are strongly absorbed by plants
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    they will respire more carbon than they fix

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    If the lower leaves of a plant are below the light compensation point :
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    2.5 billion years ago

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    When did the first definitive prokaryotic fossils appear in the fossil record?
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    Connective

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    The tissue in man where no cell division occurs after birth is ?
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    resin

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    Which substance produced by plants in response to attack by pathogens isolates affected areas of plant tissue from the rest of the plant?
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    Ecological niche.

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    The sum total of an organism’s interaction with the biotic and abiotic resources of its environment is called its?
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    Mixture

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    Air is a/an...?
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    use light of different wavelengths for synthesis

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    The action spectrum of photosynthesis is a measure of the ability of plants to ____ ?
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    ChlorophyII

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    The green colour of the leaves is due to the presence of
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