_________ Pressure is associated with cloudy skies and wet weather and _________ pressure is associated with clear and sunny skies.
(a) Low, Normal
(b) Normal, High
(c) Low, High
(d) High, also High
Answer
Question 2.
Jet planes flying in the sky leave a ________ trail behind them
(a) Black
(b) Blue
(c) White
(d) Grey
Answer
Question 3.
The standard unit of measuring temperature is
(a) Fahrenheit
(b) Meter
(c) Kelvin
(d) Celsius
Answer
Question 4.
When water evaporates from land and different water bodies, it becomes
(a) Ice
(b) Snow
(c) Rain
(d) Water Vapour
Answer
Question 5.
Cold air is ________ than hot air
(a) Small and heavy
(b) Less denser and light
(c) Denser and heavy
(d) Small and light
Answer
Question 6.
The _______ winds blow constantly throughout the year in a particular direction.
(a) Directional
(b) Local
(c) Permanent
(d) Seasonal
Answer
Question 7.
Carbon dioxide released in the atmosphere creates a
(a) Green house effect
(b) Carbon effect
(c) Earth effect
(d) Dioxide effect
Answer
Question 8.
________ is this hour-to-hour, day to day condition of the atmosphere
(a) Wind
(b) Weather
(c) Season
(d) Climate
Answer
Question 9.
As we ________ the layers of atmosphere, the pressure ______
(a) go up, rise
(b) go down, falls
(c) go down, does not change
(d) go up, falls
Answer
Question 10.
Green plants use ________ to make their food and release ________
(a) Oxygen, helium
(b) Carbon dioxide, hydrogen
(c) Helium, hydrogen
(d) Carbon dioxide, oxygen
Answer
Question 11.
What is released in the air from the burning of fuels?
(a) Carbon dioxide
(b) Helium
(c) Nitrogen
(d) Argon
Answer
Question 12.
Green House gas is
(a) Nitrogen
(b) Oxygen
(c) Ethane
(d) Carbon dioxide
Answer
Question 13.
Which of the following is not the types of rainfall
(a) Orographic rainfall
(b) Cyclonic rainfall
(c) Convectional rainfall
(d) Seasonal rainfall
Answer
Question 14.
The degree of hotness and coldness of the air is known as
(a) Weather
(b) Temperature
(c) Climate
(d) Season
Answer
Question 15.
Which layer is almost free from clouds
(a) Troposphere
(b) Mesosphere
(c) Stratosphere
(d) Thermosphere
Answer
Question 16.
On the Celsius scale the water freezes at _______ and boils at ________
(a) 32ΒΊC, 232ΒΊC
(b) 10ΒΊC, 90ΒΊC
(c) 100ΒΊC, 0ΒΊC
(d) 0ΒΊC, 100ΒΊC
Answer
Question 17.
Meteorites burn up in this layer on entering from the space
(a) Thermosphere
(b) Mesosphere
(c) Troposphere
(d) Stratosphere
Answer
Question 18.
Which is the second most plentiful gas in the air
(a) Nitrogen
(b) Argon
(c) Oxygen
(d) Hydrogen
Answer
Question 19.
Our earth is surrounded by a huge blanket of
(a) Sand
(b) Air
(c) Plants
(d) Water
Answer
Question 20.
The air pressure is highest at
(a) Plain level
(b) Plateau level
(c) Sea level
(d) Mountain level
0 Comments