Table of Contents
Insolation and Heat Budget – Introductory note for the set of MCQs
Insolation refers to the incoming solar radiation received by the Earth from the Sun. It is the primary source of energy driving the Earth’s weather, climate, and temperature patterns. The Heat Budget explains how the Earth maintains a balance between incoming solar radiation and outgoing terrestrial radiation. Understanding these concepts is crucial for comprehending global temperature distribution, climate change, and the Earth’s energy balance system.
Here is a well-organized MCQ set of 15 questions on Insolation and Heat Budget
Let’s start the Multiple Choice Questions (MCQs) on Insolation and Heat Budget – World Geography
01) What do you mean by insolation?
A) Heat radiated from the Earth
B) Solar radiation received by Earth
C) Energy lost to space
D) Radiation from the moon
Correct answer is option “B”
02) Which of the following factor does not affect the insolation at a place?
A) Angle of the Sun’s rays
B) Duration of the day
C) Phase’s of the Moon
D) Cloud cover
Correct answer is option “C”
03) The Earth’s atmosphere is mainly heated by which of the following reason?
A) Direct sunlight
B) Heat from Earth’s interior
C) Radiation from the moon
D) Terrestrial radiation
Correct answer is option “D”
04) Which of the following option is responsible to absorb the most solar radiation?
A) Ice
B) Forest
C) Snow
D) Desert sand
Correct answer is option “B”
05) What is the average solar constant received at the top of the atmosphere from the following?
A) 10 W/m²
B) 340 W/m²
C) 1361 W/m²
D) 2000 W/m²
Correct answer is option “C”
06) Which of the following term describes the percentage of solar radiation reflected by a surface?
A) Absorption
B) Albedo
C) Refraction
D) Conduction
Correct answer is option “B”
07) What is the average albedo of the Earth?
A) 10%
B) 20%
C) 30%
D) 50%
Correct answer is option “C”
08) Which of the following surface has the highest albedo?
A) Fresh snow
B) Forest
C) Ocean
D) Desert
Correct answer is option “A”
09) what is the process from the following by which the Earth emits energy back into space?
A) Reflection
B) Absorption
C) Transmission
D) Radiation
Correct answer is option “D”
10) The Earth lose most of its heat to space in which of the following form?
A) Ultraviolet radiation
B) Infrared radiation
C) Visible light
D) X-rays
Correct answer is option “B”
11) What is the Greenhouse Effect from the following?
A) Reflection of solar radiation
B) Blocking of sunlight by clouds
C) Trapping of outgoing longwave radiation by greenhouse gases
D) Solar flares heating the Earth
Correct answer is option “C”
12) Which of the following gases contributes most to the natural greenhouse effect?
A) Nitrogen
B) Oxygen
C) Water vapor
D) Helium
Correct answer is option “C”
13) Which of the following is NOT a part of the Earth’s heat budget?
A) Incoming solar radiation
B) Reflected radiation
C) Outgoing longwave radiation
D) Stored magnetic energy
Correct answer is option “D”
14) Which of the following method of heat transfer occurs mainly in the atmosphere?
A) Conduction
B) Convection
C) Radiation
D) Insulation
Correct answer is option “B”
15) What does the term “heat budget” from the following?
A) Balance between incoming and outgoing radiation
B) The amount of heat used by humans
C) Temperature of the Earth’s core
D) Energy used by plants for photosynthesis
Correct answer is option “A”
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