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Question

86 Match the Column I with Column II


Column 1Column 2

Weather Cock

Gases and fine dust particles

Mountaineers

Sailing yacht

Fine hair inside the nose

Oxygen cylinders

Smoke

Direction of air flow

Wind

Prevent dust particles

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Solution

(A) Weather Cock-(IV) Direction of airflow

  • A weather cock moves or rotates in the direction of the wind.
  • It helps to show in which direction air is moving.

(B) Mountaineers-(III) Oxygen Cylinders

Mountaineers carry an oxygen cylinder with them-

  • Altitude increases as mountaineers climb high mountain peaks
  • As altitude rises, the amount of oxygen available decreases. Because trees are not available at high elevations, the amount of oxygen gas in the atmosphere decreases.
  • As a result, some regions of their bodies do not receive enough oxygen gas.
  • Dizziness and hypoxia are possible side effects.

(C) Fine hair inside the nose-(V) Prevent dust particles

Our nostrils contain small hairs and mucous lining covers the entire respiratory tract. The hairs and mucous trap these dust particles when they enter during inhalation and push them out through sneezing.

(D) Smoke-(I) Gases and fine dust particles

Dust particles are always present in the air. Dust comes into the air through the blowing of the wind, vehicles driving, dusting at home, etc. The burning of fossil fuels produces smoke. Smoke contains a few gases and fine dust particles.

(E) Wind-(II) Sailing yacht

Only the wind powders sail yachts, and they can easily be with the wind at their backs. The wind pushes the sail forward by inflating it and applying pressure to it.

Column IColumn II
(A) Weather Cock(IV) Direction of airflow
(B) Mountaineers(III) Oxygen Cylinders
(C) Fine hair inside the nose(V) Prevent dust particles
(D) Smoke(I) Gases and fine dust particles
(E) Wind(II) Sailing yacht

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