Chapter 15: Universe and Space — Online MCQ Test
SCIENCE · Samacheer Kalvi 7th · Tamil Nadu State Board
Practice Chapter 15: Universe and Space with a free chapter-wise online MCQ test.
This chapter covers: Solar system galaxy universe astronomy Solar system galaxies stars and basic space exploration concepts.
AI-generated questions from basic to board-exam level, with instant results and explanations.
Chapter 15: Universe and Space — Important Questions & Answers
What is the name of our home planet?
- A. Mars
- B. Earth
- C. Venus
- D. Jupiter
Answer: B. Earth
Earth is the planet on which we live. It is the third planet from the Sun.
Earth is the planet on which we live. It is the third planet from the Sun.
The Sun is a ______.
- A. planet
- B. star
- C. satellite
- D. comet
Answer: B. star
The Sun is a star that gives us heat and light. It is at the center of the solar system.
The Sun is a star that gives us heat and light. It is at the center of the solar system.
Which planet is closest to the Sun?
- A. Mercury
- B. Venus
- C. Earth
- D. Mars
Answer: A. Mercury
Mercury is the nearest planet to the Sun. It has a very short revolution period.
Mercury is the nearest planet to the Sun. It has a very short revolution period.
A student observes a bright object with a glowing tail in the sky. What is it most likely to be?
- A. A planet
- B. A comet
- C. A satellite
- D. A star
Answer: B. A comet
Comets are icy bodies that develop a glowing tail when they come near the Sun. This is a common identifying feature of a comet.
Comets are icy bodies that develop a glowing tail when they come near the Sun. This is a common identifying feature of a comet.
Which statement about the Milky Way is the most correct?
- A. It is the only galaxy in the universe
- B. It is a small star near Earth
- C. It is the galaxy that contains our solar system
- D. It is the same as the solar system
Answer: C. It is the galaxy that contains our solar system
Our solar system lies inside the Milky Way galaxy. A galaxy is much larger than a solar system.
Our solar system lies inside the Milky Way galaxy. A galaxy is much larger than a solar system.