Question 22 Match the items of Column A with those of Column B- Veginarray c c WhineColumn A - Column B MhlineaSulphur dioxide - iDamage ozone layerllbCarbon dioxide - ii Reduces oxygen carrying-capacity of bloodlcCarbon monoxide - iiiAcid raindChlorfluorocarbons - ivGreenhouse gaslllhline lend array

The correct matching is as given: [ Column A amp; Column B; (a)S ...

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Byju's Answer

Standard VIII

Biology

Effect of Air Pollution on Plants and Animals

Question 22 M...

Question

Question 22
Match the items of Column A with those of Column B.
$\begin{matrix} C o l u m n A & C o l u m n B (a) S u l p h u r d i o x i d e & (i) D a m a g e o z o n e l a y e r (b) C a r b o n d i o x i d e & (i i) R e d u c e s o x y g e n c a r r y i n g - c a p a c i t y o f b l o o d (c) C a r b o n m o n o x i d e & (i i i) A c i d r a i n (d) C h l o r f l u o r o c a r b o n s & (i v) G r e e n h o u s e g a s \end{matrix}$

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Solution

The correct matching is as given:
$\begin{matrix} C o l u m n A & C o l u m n B (a) S u l p h u r d i o x i d e & A c i d r a i n (b) C a r b o n d i o x i d e & G r e e n h o u s e g a s (c) C a r b o n m o n o x i d e & R e d u c e s o x y g e n c a r r y i n g - c a p a c i t y o f b l o o d (d) C h l o r f l u o r o c a r b o n s & D a m a g e o z o n e l a y e r \end{matrix}$

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Q. Match the items of Column A with those of Column B.

Sulphur dioxide	a	1	Damage ozone layer
Carbon dioxide	b	2	Reduces the oxygen- carrying capacity of the blood
Carbon monoxide	c	3	Acid rain
Chlorofluoro-carbons	d	4	Greenhouse gas

Question 22
Match the items of Column A with those of Column B.
$\begin{matrix} Column A & Column B (a)Sulphur dioxide & (i)Damage ozone layer (b)Carbon dioxide & (ii) Reduces oxygen carrying-capacity of blood (c)Carbon monoxide & (iii)Acid rain (d)Chlorfluorocarbons & (iv)Greenhouse gas \end{matrix}$

Question 22
Match the items of Column A with those of Column B.
$\begin{matrix} Column A & Column B (a)Sulphur dioxide & (i)Damage ozone layer (b)Carbon dioxide & (ii) Reduces oxygen carrying-capacity of blood (c)Carbon monoxide & (iii)Acid rain (d)Chlorfluorocarbons & (iv)Greenhouse gas \end{matrix}$

Which of the following air pollutant reduces the oxygen-carrying capacity of blood to a large extent?

(a) carbon dioxide

(b) nitrogen monoxide

(d) sulphur dioxide

Match the items given in column I with one or more items given in column II :

$\begin{matrix} Column I & Column II (i) prevents photosynthesis & (a) Sewage dumped in river (ii) Damage ozone layer & (b) Excess fertiliser in fields (iii) Produce acid rain & (c) Carbon dioxide in air (iv) Kill fish by deoxygenating water & (d) Dust in air (v) Causes water borne diseases & (e) CFCs (vi) Leads to global warming & (f) Sulphur dioxide in air \end{matrix}$

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Question 22 Match the items of Column A with those of Column B. Column AColumn B(a)Sulphur dioxide(i)Damage ozone layer(b)Carbon dioxide(ii)Reduces oxygen carrying−capacity of blood(c)Carbon monoxide(iii)Acid rain(d)Chlorfluorocarbons(iv)Greenhouse gas

The correct matching is as given: Column AColumn B(a)Sulphur dioxideAcid rain(b)Carbon dioxideGreen house gas(c)Carbon monoxideReduces oxygen carrying−capacity of blood(d)ChlorfluorocarbonsDamage ozone layer