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12th Standard Biology English Medium Free Online Test Creative One Mark Questions with Answer Key

12th Standard

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Biology

Time : 00:10:00 Hrs
Total Marks : 10

    Answer all the questions

    10 x 1 = 10
  1. Giant Amoeba refers to ______

    (a)

    Opalina

    (b)

    Pelomyxa

    (c)

    Ceratium

    (d)

    Trichonympha

  2. Testosterone is secreted by ____

    (a)

    spermatocytes

    (b)

    sperm

    (c)

    polar bodies

    (d)

    leydig cells

  3. This technique is used to diagnose the chromosomal abnormities.

    (a)

    Assisted Reproductive Technology (ART)

    (b)

    Micro Testicular Sperm Extraction

    (c)

    Amniocentesis

    (d)

    GIFT

  4. The gene responsible for ________ is inherited as an autosomal recessive lethal gene in man

    (a)

    Huntington's chorea

    (b)

    Albinism

    (c)

    Colourblindness

    (d)

    Phenylketonuria

  5. Pick out the odd man out.

    (a)

    Klinefelter's syndrome

    (b)

    Turner's syndrome

    (c)

    Huntington's chorea

    (d)

    13-Trisomy

  6. ___________ used radioactive labelled molecules to prove that DNA is the genetic material.

    (a)

    Hershey and Chase

    (b)

    Wilkins and Franklin

    (c)

    Griffith

    (d)

    Mcleod and Avery

  7. EIA stands for ________________

    (a)

    Ecological Information Analysis

    (b)

    Environmental Information Assessment

    (c)

    Environmental Impact Analysis

    (d)

    Environmental Impact Assessment

  8. Who is popularly called as the "father of green revolution in India"?

    (a)

    Nel Jeyaraman

    (b)

    Dr. M.S. Swaminathan

    (c)

    Dr. Nammalvar

    (d)

    N.G.P. Rao

  9. Pigeon pea is the common name for _______

    (a)

     Vigna radiata  

    (b)

    Vigna mungo

    (c)

     Cajanus cajan  

    (d)

    Sorghum vulgare

  10. The first disease for which vaccine was prepared is _______

    (a)

    Polio

    (b)

    Chicken pox

    (c)

    Cholera

    (d)

    Small pox

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