Chapter 2: The Solar System and the Earth — Online MCQ Test
GEOGRAPHY · CLASS 11th · Tamil Nadu State Board
Practice Chapter 2: The Solar System and the Earth with a free chapter-wise online MCQ test.
This chapter covers: Focusing on planetary geography this chapter details the origin of the solar system Earth motion movements seasonal variations and Earth internal structure. Students explore latitu....
AI-generated questions from basic to board-exam level, with instant results and explanations.
Chapter 2: The Solar System and the Earth — Important Questions & Answers
Which planet is known as the 'Red Planet' in our solar system?
- A. Venus
- B. Mars
- C. Jupiter
- D. Saturn
Answer: B. Mars
Mars is known as the Red Planet due to the prevalence of iron oxide on its surface, which gives it a reddish appearance.
Mars is known as the Red Planet due to the prevalence of iron oxide on its surface, which gives it a reddish appearance.
The imaginary lines running from North Pole to South Pole are called:
- A. Latitudes
- B. Longitudes
- C. Equator
- D. Tropics
Answer: B. Longitudes
Longitudes are semi-circles that run from the North Pole to the South Pole and are used to measure distance east or west of the Prime Meridian.
Longitudes are semi-circles that run from the North Pole to the South Pole and are used to measure distance east or west of the Prime Meridian.
What causes the occurrence of seasons on Earth?
- A. Rotation of the Earth on its axis
- B. Revolution and the tilt of the Earth's axis
- C. Distance from the Sun
- D. Gravitational pull of the Moon
Answer: B. Revolution and the tilt of the Earth's axis
Seasons are caused by the combination of the Earth's revolution around the Sun and the constant 23.5-degree tilt of its axis.
Seasons are caused by the combination of the Earth's revolution around the Sun and the constant 23.5-degree tilt of its axis.
If it is 12:00 PM at 0° longitude (Greenwich), what is the time at 60° East longitude?
- A. 2:00 PM
- B. 4:00 PM
- C. 10:00 AM
- D. 8:00 AM
Answer: B. 4:00 PM
Each degree of longitude represents 4 minutes. 60 degrees multiplied by 4 equals 240 minutes, which is 4 hours ahead.
Each degree of longitude represents 4 minutes. 60 degrees multiplied by 4 equals 240 minutes, which is 4 hours ahead.
Which combination of factors best explains why the Earth's core remains hot?
- A. Solar radiation and friction
- B. Radioactive decay and primordial heat
- C. Volcanic activity and mantle convection
- D. Gravitational pull of the Moon and Sun
Answer: B. Radioactive decay and primordial heat
The Earth's core retains heat from its formation (primordial heat) and the ongoing decay of radioactive isotopes like uranium and thorium.
The Earth's core retains heat from its formation (primordial heat) and the ongoing decay of radioactive isotopes like uranium and thorium.