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Ozone hole refers to

A. hole in ozone layer

B. decrease in the ozone layer in troposphere

C. decrease in thickness of ozone layer in stratosphere

D. increase in the thickness of ozone layer in troposphere

Answer: Option C

Solution(By Examveda Team)

The term 'ozone hole' refers to the depletion of the protective ozone layer in the upper atmosphere (stratosphere) over Earth's polar regions. Stratospheric ozone is constantly produced by the action of the sun's ultraviolet radiation on oxygen molecules (known as photochemical reactions).

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Comments ( 6 )

  1. Isah Hassan
    Isah Hassan :
    10 months ago

    Lactase hydrolyses lactose into

  2. Abhi Kumar
    Abhi Kumar :
    3 years ago

    which of the following is used in biogas plants to generate biogas and Manure.
    (A) non_biidegradable
    (B) biodegradable substance
    (C) both (a) & (b)
    (D) neither (a) nor (b)

  3. Abhi Kumar
    Abhi Kumar :
    3 years ago

    which of the following is used in biogas plants to generate biogas and Manure

  4. Abhi Kumar
    Abhi Kumar :
    3 years ago

    Ozone hole refers to

  5. Bhagirath Swami
    Bhagirath Swami :
    4 years ago

    antarctica

  6. NILESH KAKDE
    NILESH KAKDE :
    5 years ago

    TROPOSPHERE - IS THE LOWER MOST SPHERE AROUND THE EARTH. IT MAINLY CONSISTS OF AIR, GASES, WATER STEAM ETC.
    STRATOSPHERE - IS THE 2ND MOST LAYER AROUND THE EARTH.IT MAINLY CONSISTS OF OZONE LAYER. OZONE LAYER DENSITY HIGHER AT THE MIDDLE PORTION FROM LOWERING. IT START INCREASING UP TO HIGHER THEN START DECREASING.

Related Questions on Biology

Ozone hole refers to

A. hole in ozone layer

B. decrease in the ozone layer in troposphere

C. decrease in thickness of ozone layer in stratosphere

D. increase in the thickness of ozone layer in troposphere