MCQs
Total Questions : 392
| Page 34 of 40 pages
Answer: Option B. -> uniform low pressure
Answer: (b) Doldrums is the name for the equatorial belt of low pressure lying between 5° south and 5° North latitude.
Answer: (b) Doldrums is the name for the equatorial belt of low pressure lying between 5° south and 5° North latitude.
Answer: Option D. -> Weak coriolis force
Answer: (d)
Answer: (d)
Answer: Option D. -> Upper Troposphere
Answer: (d)
Jet Stream is a narrow belt of high altitudes (above 12000 m) westerly wind in the troposphere whose speed varies 110 km/hr in summer to 184 km/hr in winter.
Answer: (d)
Jet Stream is a narrow belt of high altitudes (above 12000 m) westerly wind in the troposphere whose speed varies 110 km/hr in summer to 184 km/hr in winter.
Answer: Option B. -> a local wind
Answer: (b) Sirocco is a local Mediterranean wind that comes from Sahara and can achieve Hurricane speed in North Africa and Europe. Its Arabic name is Quibli.
Answer: (b) Sirocco is a local Mediterranean wind that comes from Sahara and can achieve Hurricane speed in North Africa and Europe. Its Arabic name is Quibli.
Answer: Option B. -> oxygen and ultraviolet rays
Answer: (b)
Ozone in the Earth's stratosphere is created by ultraviolet light striking ordinary oxygen molecules containing two oxygen atoms (O2), splitting them into individual oxygen atoms (atomic oxygen).
The atomic oxygen then combines with unbroken O2 to create ozone (O3).
The ozone molecule is unstable and when ultraviolet light hits ozone it splits into a molecule of O2 and an individual atom of oxygen, a continuing process called the ozone-oxygen cycle.
Chemically, this can be described as,
O2 + vuv→ 2O
O + O2 ↔ O3
Answer: (b)
Ozone in the Earth's stratosphere is created by ultraviolet light striking ordinary oxygen molecules containing two oxygen atoms (O2), splitting them into individual oxygen atoms (atomic oxygen).
The atomic oxygen then combines with unbroken O2 to create ozone (O3).
The ozone molecule is unstable and when ultraviolet light hits ozone it splits into a molecule of O2 and an individual atom of oxygen, a continuing process called the ozone-oxygen cycle.
Chemically, this can be described as,
O2 + vuv→ 2O
O + O2 ↔ O3
Answer: Option D. -> Africa
Answer: (d)
The meaning of the word ‘tundra’ is ‘a region in continents of Asia, Europe and North America, where the growth of trees is prevented due to low temperatures and permanently frozen subsoil’.
These kinds of geographic areas are found near the North Pole and the South Pole. In physical geography, the tundra is a biome where tree growth is hindered by low temperatures and short growing seasons.
There are three types of tundra: Arctic tundra, alpine tundra, and Antarctic tundra. In the tundra, the vegetation is composed of dwarf shrubs, sedges and grasses, mosses, and lichens. Scattered trees grow in some tundra.
Answer: (d)
The meaning of the word ‘tundra’ is ‘a region in continents of Asia, Europe and North America, where the growth of trees is prevented due to low temperatures and permanently frozen subsoil’.
These kinds of geographic areas are found near the North Pole and the South Pole. In physical geography, the tundra is a biome where tree growth is hindered by low temperatures and short growing seasons.
There are three types of tundra: Arctic tundra, alpine tundra, and Antarctic tundra. In the tundra, the vegetation is composed of dwarf shrubs, sedges and grasses, mosses, and lichens. Scattered trees grow in some tundra.
Answer: Option C. -> Convectional rainfall
Answer: (c)
The equatorial regions are known for convectional rainfall that occurs due to the thermal convection currents caused due to the heating of ground due to insolation
. In these, the warm air rises up and expands then, reaches a cooler layer and saturates, then condenses mainly in the form of cumulus or cumulonimbus clouds.
The equatorial regions receive convectional rainfall almost on a daily basis. The rainfall is of very short duration but in the form of heavy showers.
Answer: (c)
The equatorial regions are known for convectional rainfall that occurs due to the thermal convection currents caused due to the heating of ground due to insolation
. In these, the warm air rises up and expands then, reaches a cooler layer and saturates, then condenses mainly in the form of cumulus or cumulonimbus clouds.
The equatorial regions receive convectional rainfall almost on a daily basis. The rainfall is of very short duration but in the form of heavy showers.
Answer: Option D. -> Cyclonic activity
Answer: (d)
Frontal rainfall is a type of precipitation that occurs when a warm air mass and a cold air mass meet. Extra-tropical cyclones form as waves along weather fronts before occluding later in their life cycle as cold-core cyclones.
Cyclogenesis is the development or strengthening of cyclonic circulation in the atmosphere (a low-pressure area).
Answer: (d)
Frontal rainfall is a type of precipitation that occurs when a warm air mass and a cold air mass meet. Extra-tropical cyclones form as waves along weather fronts before occluding later in their life cycle as cold-core cyclones.
Cyclogenesis is the development or strengthening of cyclonic circulation in the atmosphere (a low-pressure area).
Answer: Option A. -> Troposphere
Answer: (a)
The troposphere, which extends up to a height of 12 km on average from the surface of the earth, is the locale of all the vital atmospheric processes which create the climatic and weather conditions on the earth’s surface.
About half of the mass of air comprising the entire atmosphere is concentrated in this zone. This is the lowermost layer of the atmosphere.
Answer: (a)
The troposphere, which extends up to a height of 12 km on average from the surface of the earth, is the locale of all the vital atmospheric processes which create the climatic and weather conditions on the earth’s surface.
About half of the mass of air comprising the entire atmosphere is concentrated in this zone. This is the lowermost layer of the atmosphere.
Question 340.
List I
List II
A. Cloudiness and heavy precipitation unfavourable
1. Equatorial region
B. Westerlies throughout the year and mild winters
2. Mediterranean region
C. Famous for game parkland type of vegetation
3. Savanna region
D. Dry summers, wet winters and orchard farming
4. West European region
Codes: A B C D
List I
List II
A. Cloudiness and heavy precipitation unfavourable
1. Equatorial region
B. Westerlies throughout the year and mild winters
2. Mediterranean region
C. Famous for game parkland type of vegetation
3. Savanna region
D. Dry summers, wet winters and orchard farming
4. West European region
Codes: A B C D
Answer: Option D. -> A – 1 ; B – 4 ; C – 2 ; D – 3
Answer: (d)
Answer: (d)
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