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Standard XII

Biology

Definition of Air Pollution

What are the ...

Question

What are the effects of air pollution?
i. greenhouse effect
ii. smog
iii. respiratory diseases
iv. acid rain

i,ii, iii

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ii, iii, iv

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iii, iv, i

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i, ii, iii, iv

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Solution

The correct option is D i, ii, iii, iv
Effects of air pollution are the greenhouse effect, smog, deforestation and acid rains. It also causes different respiratory diseases like asthma.

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Similar questions

Q. Make the correct match
A

V
I

V
V

Q. Explain the following terms.

(i)

Greenhouse effect

(i i)

Turgor pressure

(i i i)

Selective reabsorption

(i v)

Natality

(v)

Pulse

Q. The correct order of strength of

+ I

effect is:
I.

- C H_{3}

II.

- C D_{3}

III.

- C T_{3}

IV.

- C H D_{2}

Q. The decreasing order of

- I

effect for the given groups is:
(i)

- C N

(ii)

- N O_{2}

(iii)

- N H_{2}

(iv)

- F

Q. Which of the following will show a ‘+M’ effect (positive mesomeric effect)
(i)

C H_{3}

(ii)

- C l

(iii)

- N H_{2}

(iv)

- O H

(v)

- O C H_{3}

(vi)

- C = O

(vii)

- C N

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What are the effects of air pollution?i. greenhouse effectii. smogiii. respiratory diseasesiv. acid rain

The correct option is D i, ii, iii, ivEffects of air pollution are the greenhouse effect, smog, deforestation and acid rains. It also causes different respiratory diseases like asthma.

What are the effects of air pollution?
i. greenhouse effect
ii. smog
iii. respiratory diseases
iv. acid rain

The correct option is D i, ii, iii, iv
Effects of air pollution are the greenhouse effect, smog, deforestation and acid rains. It also causes different respiratory diseases like asthma.