Chapter Exam

Chapter-8 Universe and Space Science — Online MCQ Test

Q: Which celestial body is the center of our solar system?

Answer: C. Sun — The Sun is at the center of the solar system, and all the planets revolve around it.

Q: Which of the following is a natural satellite of Earth?

Answer: B. Moon — The Moon is the natural satellite of Earth and revolves around it.

Q: Which planet is closest to the Sun?

Answer: A. Mercury — Mercury is the innermost planet and has the shortest distance from the Sun.

Q: Which space mission was the first to land humans on the Moon?

Answer: A. Apollo 11 — Apollo 11 was the historic mission that carried the first humans to land on the Moon.

SCIENCE · Samacheer Kalvi 8th · Tamil Nadu State Board

Practice Chapter-8 Universe and Space Science with a free chapter-wise online MCQ test for Tamil Nadu State Board Samacheer Kalvi 8th SCIENCE. This chapter covers: solar system galaxy astronomy Covers the solar system stars galaxies and space exploration. AI-generated questions from basic to board-exam level, with instant results and explanations.

Questions

20m

Time Limit

Attempts Left

10 random questions from this chapter (mixed difficulty)
Questions you've seen before won't repeat until the pool resets
You have 20 minutes — exam auto-submits when time is up
Maximum 3 attempts per chapter
Results and explanations shown immediately after submission

New here? Register free — includes 3 free chapter exams.

Chapter-8 Universe and Space Science — Important Questions & Answers (FAQ)

Frequently asked questions from Tamil Nadu State Board Samacheer Kalvi 8th SCIENCE — Chapter-8 Universe and Space Science, with answers and explanations. These are sample questions; the exam has its own separate question set.

Which celestial body is the center of our solar system?

A. Earth
B. Moon
C. Sun ✓
D. Mars

Answer: C. Sun
The Sun is at the center of the solar system, and all the planets revolve around it.

Which of the following is a natural satellite of Earth?

A. Sun
B. Moon ✓
C. Mars
D. Venus

Answer: B. Moon
The Moon is the natural satellite of Earth and revolves around it.

Which planet is closest to the Sun?

A. Mercury ✓
B. Venus
C. Earth
D. Mars

Answer: A. Mercury
Mercury is the innermost planet and has the shortest distance from the Sun.

Why do we see the same side of the Moon from Earth?

A. The Moon does not rotate at all
B. The Moon rotates and revolves in the same time period ✓
C. The Earth blocks the other side permanently
D. The Moon is fixed in the sky

Answer: B. The Moon rotates and revolves in the same time period
The Moon takes the same time to rotate once on its axis and to revolve once around Earth, so the same side faces us.

Which space mission was the first to land humans on the Moon?