Atmosphere -Multiple Choice Questions Quiz

Interactive MCQs on “Atmosphere”:

Solve the following 10 questions. Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1:What is the composition of Earth’s atmosphere?

(A) 78% Oxygen, 21% Nitrogen
(B) 75% Nitrogen, 25% Oxygen
(C) 78% Nitrogen, 21% Oxygen
(D) 70% Nitrogen, 30% Oxygen

Question 2:Which layer of the atmosphere contains the ozone layer?

(A) Troposphere
(B) Stratosphere
(C) Mesosphere
(D) Thermosphere

Question 3: What is the main function of the ozone layer?

(A) To trap heat in the atmosphere
(B) To generate wind
(C) To protect from cosmic radiation
(D) To absorb ultraviolet radiation

Question 4:Which atmospheric layer is closest to Earth’s surface?

(A) Stratosphere
(B) Thermosphere
(C) Mesosphere
(D) Troposphere

Question 5:What is the primary cause of the greenhouse effect?

(A) Increased sunlight
(B) Increased ozone
(C) Trapping of heat by gases
(D) Reflection of solar radiation

Question 6:What causes the Earth’s weather patterns?

(A) Earth’s magnetic field
(B) Earth’s rotation
(C) Movement of air and solar energy
(D) Earth’s gravity

Question 7:What is the boundary between the Earth’s atmosphere and space called?

(A) Tropopause
(B) Stratosphere
(C) Mesopause
(D) Kármán line

Question 8:Which gas is most responsible for global warming?

(A) Oxygen
(B) Nitrogen
(C) Carbon dioxide
(D) Methane

Question 9:How does air pressure change with altitude?

(A) It stays the same
(B) It increases
(C) It decreases
(D) It fluctuates

Question 10:What is the ionosphere?

(A) A region of high temperature
(B) A layer containing water vapor
(C) A layer of neutral gases
(D) A region of ionized particles