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12th Standard Biology English Medium Free Online Test Creative 1 Mark Questions - Part Four

12th Standard

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Biology

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

    Answer all the questions

    10 x 1 = 10
  1. Gemmules are ______

    (a)

    Exogenous growth

    (b)

    Daughter nuclei

    (c)

    Internal buds

    (d)

    Regenerated parts

  2. Attachment of blastocyst to the uterine wall is called ______

    (a)

    Implantation

    (b)

    Parturition

    (c)

    Insemination

    (d)

    gastrulation

  3. This is not Major task of RCH.

    (a)

    Vaccinating the mother and child for infectious diseases

    (b)

    Introducing six education in Schools

    (c)

    Educating couples about the available with control

    (d)

    Creating awareness about care for pregnant Women

  4. Depending on position of centromere and relative length of two arms human chromosomes can be classified into ________ type.

    (a)

    2

    (b)

    3

    (c)

    4

    (d)

    5

  5. ___________ 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

  6. Consider the following four conditions (A-D) and select the correct pair of them as adaptation to environment in desert lizards.
    The conditions:
    A) Burrowing in soil to escape high temperature.
    B) Losing heat rapidly from the body during high temperature
    C) Bask in sun when temperature is low
    D) Insulating body due to thick fatty dermis.

    (a)

    (A) and (C)

    (b)

    (B) and (D)

    (c)

    (A) and (B)

    (d)

    (C) and (D)

  7. Assertion (A): Diapause is carried out to overcome abiotic stress.
    Reason (R): Animals become inactive during winter.

    (a)

    Both A and R are correct R explain A

    (b)

    A is correct R is incorrect

    (c)

    R does not explain A

    (d)

    Both A and R are incorrect

  8. IUCN has its headquarters in _______________

    (a)

    New York

    (b)

    New Delhi

    (c)

    Columbia

    (d)

    Switzerland

  9. Wild ass is endemic to____________

    (a)

    Western Ghats

    (b)

    Deccan Peninsula

    (c)

    Himalayas

    (d)

    Indian desert

  10. ABO blood group is a classical example for __________

    (a)

    Polygenic inheritance

    (b)

    Incomplete dominance

    (c)

    Epistasis

    (d)

    Dominance

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