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Biology Test 28
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Biology Test 28
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  • Question 1/30
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    Insects

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    Biologists have so far known, found and identified a large number of species in the plant and animal kingdom. In terms of numbers,the largest found and identified so far is from among the
    Solutions
    Insects
  • Question 2/30
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    Sodium absorption

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    Aldo sterone regulates ?
    Solutions
    Sodium absorption
  • Question 3/30
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    The RBC would increase in size and burst while the plant cell would remain about the same size.

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    A RBC and a plant cell (with thick cell wall) are placed in distilled water. The solute concentration is the same in both the cells. What changes would be observed in them?
    Solutions
    The RBC would increase in size and burst while the plant cell would remain about the same size.
  • Question 4/30
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    Cosmarium

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    Which one of the following is a unicellular, nonmotile desmid?
    Solutions
    Cosmarium
  • Question 5/30
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    H.M.S. Beagle

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    Darwin spent 5 years sailing around the world on the
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    H.M.S. Beagle
  • Question 6/30
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    epidemiology

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    The branch of medical science which is concerned with the study of disease as it affects a community of people is called______.
    Solutions
    epidemiology
  • Question 7/30
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    Keystone species

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    Some species are important in determing the ablity of a large number of other species to persist in the community. Such species belong to which biological communities?
    Solutions
    Keystone species
  • Question 8/30
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    Deuterium oxide

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    Heavy water is ___.
    Solutions
    Deuterium oxide
  • Question 9/30
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    Vitamin B2 - Riboflavin

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    Which one of the following pairs is correctly matched ?
    Solutions
    Vitamin B2 - Riboflavin
  • Question 10/30
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    the way it gets food

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    Which of the following is a biological aspect of an organism\'s niche?
    Solutions
    the way it gets food
  • Question 11/30
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    1,2 and 3

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    1. Researchers using Carbon -14 isotope 2. X-ray technician    3. Coal miner  4. Dyer and painter Select the correct answer using the codes given below:
    Solutions
    1,2 and 3
  • Question 12/30
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    standing crop.

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    The total biomass of photosynthetic autotrophs present in an ecosystem is known as the
    Solutions
    standing crop.
  • Question 13/30
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    transpiration

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    The force responsible for upward conduction of water against gravity comes from?
    Solutions
    transpiration
  • Question 14/30
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    ileum -Jejunum - Duodenum

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    Which one of the following is the correct sequence in the order of decreasing lenght of the three structural parts given below of small intestine in the human body ?
    Solutions
    ileum -Jejunum - Duodenum
  • Question 15/30
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    Latex

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    Rubber is obtained from?
    Solutions
    Latex
  • Question 16/30
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    drains moisture to inhibit growth of microorganisms

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    Sugar syrup is used for the preservation of fruits because it_____.
    Solutions
    drains moisture to inhibit growth of microorganisms
  • Question 17/30
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    Pleiotropy

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    When one gene controls two or more different characters simultaneously, the phenomenon is called
    Solutions
    Pleiotropy
  • Question 18/30
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    flowering plants

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    Movements due to light are shown by?
    Solutions
    flowering plants
  • Question 19/30
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    Urea

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    The least toxic of nitrogenous wastes is?
    Solutions
    Urea
  • Question 20/30
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    yolk is formed and accumulated in the ovum

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    Vitellogenesis occurs during the formation of?
    Solutions
    yolk is formed and accumulated in the ovum
  • Question 21/30
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    Flora and Fauna

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    \'Biosphere Reserve Project\' is aimed at protecting.
    Solutions
    Flora and Fauna
  • Question 22/30
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    Induced

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    Mutations used in agriculture are commonly..
    Solutions
    Induced
  • Question 23/30
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    Fungi

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    According to phylogenetic analysis, which kingdom is the most closely related to Kingdom Animalia?
    Solutions
    Fungi
  • Question 24/30
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    both b and c

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    Which of the following biochemical processes consumes O2 and yields CO2?
    Solutions
    both b and c
  • Question 25/30
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    Complementary cells

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    The loosely arranged non-chlorophyllous parenchyma cells present in lenticels are called?
    Solutions
    Complementary cells
  • Question 26/30
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    G.J. Mandel

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    The scientist known as father of Genetics is -
    Solutions
    G.J. Mandel
  • Question 27/30
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    Hypothalamus

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    A man is admitted to a hospital. He is suffering from an abnormally low body temperature, loss of appetite and extreme thirst. His brain scan would probably show a tumor in ___ .
    Solutions
    Hypothalamus
  • Question 28/30
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    tropical rain forest

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    Which of these ecosystems has the highest primary productivity per square meter?
    Solutions
    tropical rain forest
  • Question 29/30
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    stem

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    Potato is a modified form (outgrowth) of  ?
    Solutions
    stem
  • Question 30/30
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    Proteins and nucleic acids

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    The compounds leading to origin of life were:
    Solutions
    Proteins and nucleic acids
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