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Continental drift :...

Continental drift `:`

A

no longer occurs to day

B

can occur when liquid rock rises to the surface and pushes the continents apart

C

has led to the geographic isolation of many populations, thus promoting speciation

D

both (c ) and (d)

Text Solution

Verified by Experts

The correct Answer is:
d
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Knowledge Check

  • Assertion : Due to continental drift, when South America joined North America, North American animals were overridden by South American fauna. Reason : Due to the same continental drift, placental mammals of Australia survival because of lack of competition from any other mammal.

    A
    If both assertion and reason are true and the reason is the correct explanation of the assertion.
    B
    If both assertion and reason are true but reason is not the correct explanation of the assertion.
    C
    If assertion is true but reason is false.
    D
    If both assertion and reason are false

  • Match the scientists listed under Column 'A' with ideas listed under column 'B' {:("Column I","column II"),("Darwin",(i)"Abiogenesis"),("Oparin",(ii)"Use and disuse of organs"),("Lamrack",(iii)"continental drift theory"),("Wagner",(iv)"Evolution by natural selection"):}

    A
    I,IV,II,III
    B
    IV,I,II,III
    C
    II,IV,III,I
    D
    IV,III,II,I

  • The Trans-Continental Stuart Highway runs between

    A
    A. Darwin and Melbourne
    B
    B. Edmonton and Anchorage
    C
    C. Vancouver and St. John's City
    D
    D.Chengdu and Lhasa

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    The rigid lithospheric slabs are known as Plates What would be the result if the oceanic plate collides with the continental plate ? 1.Oceanic plate is forced below the continental plate 2.Continental plate is forced below the oceanic plate. 3.Continental and oceanic plates never collide Select the correct answer using the code given below

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