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SSC - Biology Test-5
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SSC - Biology Test-5
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  • Question 1/10
    1 / -0

    The term 'gene' was first used by______.

    Solutions

    Gene was coined in 1909 by Danish botanist Wilhelm Johannsen to describe the fundamental physical and functional unit of heredity.

  • Question 2/10
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    The number of autosomes in man is____.

    Solutions

    In humans, each cell normally contains 23 pairs of chromosomes for a total of 46. Twenty-two of these pairs called autosomes, look the same in both males and females. The 23rd pair, the sex chromosomes differ between males and females.

  • Question 3/10
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    Blood bank of human body is ______.

    Solutions

    Spleen is called as the blood bank because it holds the reserve of blood in case of hemorrhagic shock.

  • Question 4/10
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    “One gene one enzyme theory” was given by _______.

    Solutions

    The one gene-one enzyme hypothesis is the idea that genes act through the production of enzymes, with each gene responsible for producing a single enzyme that in turn affects a single step in a metabolic pathway. The concept was proposed by George Beadle and Edward Tatum.

  • Question 5/10
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    Yeast is an important source of ____.

    Solutions

    Yeast is used in nutritional supplements popular with health-conscious individuals and those following vegan diets. It is an excellent source of protein and vitamins especially the B-complex vitamins.

  • Question 6/10
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    Largest external organ of human body is ________.

    Solutions

    The largest internal organ is the liver. The largest external organ, which is also the largest organ in general is the skin.

  • Question 7/10
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    Which of the following is not a kharif crop?

    Solutions

    Kharif crops are domesticated plants cultivated and harvested during the rainy season in the South Asia, which lasts between April and October depending on the area. Main kharif crops are cotton, groundnut, maize and rice. Mustard is a Rabi crop.

  • Question 8/10
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    Which one of the following fungi is commonly known as ‘bread mould’?

    Solutions

    Rhizopus is a genus of common saprophytic fungi on plants and specialized parasites on animals. They are found on a wide variety of organic substrates, including mature fruits and vegetables, bread.

  • Question 9/10
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    Normal temperature of human body is _______.

    Solutions

    Average normal body temperature of human body is 36.90 C (98.6 0F).

  • Question 10/10
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    Which of the following parts of human body is affected by Pyria?

    Solutions

    Pyria is ususally a symptom of poor dental hygiene, where the person is not brushing often, or not adequately enough leading to bacteria growth in and around thegums.

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