Question
Differentiate between arteries and veins.
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S.No.
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Arteries
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Veins
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$1.$
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They carry blood away from heart They carry blood towards heart.
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They carry blood away from heart They carry blood towards heart.
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$2.$
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They carry oxygenated blood except pulmonary artery.
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They carry deoxygenated blood except pulmonary vein.
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$3.$
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They lack valves.
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They have valves to prevent backflow of blood.
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$4.$
|
They are thick walled and deeply seated They are thin walled and superficially located beneath skin.
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They are thick walled and deeply seated They are thin walled and superficially located beneath skin.
|
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Column I
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Column II
|
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$(a)$
|
Tartaric acid
|
$(i)$
|
soap
|
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$(b)$
|
Calcium hydroxide
|
$(ii)$
|
curd
|
|
$(c)$
|
Formic acid
|
$(iii)$
|
unripe mangoes
|
|
$(d)$
|
Sodium hydroxide
|
$(iv)$
|
ant's sting
|
|
$(e)$
|
Lactic acid
|
$(v)$
|
lime water
|
|
|
Column I
|
|
Column II
|
|
$(a)$
|
Years
|
$(i)$
|
Rotation period of the earth on its axis.
|
|
$(b)$
|
Hour
|
$(ii)$
|
Time to complete 100m race.
|
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$(c)$
|
Minute
|
$(iii)$
|
Gestation period in humans.
|
|
$(d)$
|
Days
|
$(iv)$
|
Age of a person.
|
|
$(e)$
|
Second
|
$(v)$
|
In scientific research.
|
|
$(f)$
|
Month
|
$(vi)$
|
Time to reach your school.
|
|
$(g)$
|
Microseconds
|
$(vii)$
|
Train reaches from one city to other.
|
| Column I | Column II | ||
| $(a)$ | Mango tree | $(i)$ | Insectivorous plant |
| $(b)$ | Mushroom | $(ii)$ | Heterotroph |
| $(c)$ | Pitcher plant | $(iii)$ | Autotroph |
| $(d)$ | Cuscuta | $(iv)$ | Saprophyte |
| $(e)$ | Elephant | $(v)$ | Parasitic |