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Question (21)

QN004490

Which observation helped humans develop ideas about the Universe?

(A) Watching the night sky
(B) Measuring rainfall
(C) Studying soil only
(D) Observing plants only

Correct Answer: A

Explanation:

Night sky observations inspired the study of the Universe.

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Question (22)

QN004491

Ancient people developed curiosity about the Universe mainly by observing

(A) Mountains
(B) Rivers
(C) The sky and celestial objects
(D) Buildings

Correct Answer: C

Explanation:

Celestial observations sparked curiosity.

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Question (23)

QN004492

A student identifies Earth, Sun, Solar System and Milky Way. Which should be placed last in order of increasing size?

(A) Earth
(B) Sun
(C) Solar System
(D) Milky Way

Correct Answer: D

Explanation:

The Milky Way is the largest among these.

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Question (24)

QN004493

Which object among the following is smallest?

(A) Universe
(B) Galaxy
(C) Solar System
(D) Earth

Correct Answer: D

Explanation:

Earth is smaller than the Solar System, galaxy and Universe.

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Question (25)

QN004494

If there are many galaxies in the Universe, the Milky Way represents

(A) The entire Universe
(B) One galaxy among many
(C) One planet
(D) One star

Correct Answer: B

Explanation:

The Milky Way is only one of many galaxies.

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Question (26)

QN004495

Which statement is correct about galaxies and the Universe?

(A) Galaxies exist outside the Universe
(B) The Universe contains galaxies
(C) Galaxies contain the Universe
(D) Galaxies and Universe are identical

Correct Answer: B

Explanation:

Galaxies are components of the Universe.

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Question (27)

QN004496

A learner arranges structures as Earth → Solar System → Milky Way → Universe. Which relationship is correct?

(A) Each structure contains the next one
(B) Each structure is contained within the next one
(C) All structures are equal in size
(D) None are related

Correct Answer: B

Explanation:

Each object belongs to the next larger structure.

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Question (28)

QN004497

Which of the following would most likely increase our understanding of the Universe?

(A) Astronomical observations
(B) Switching off classroom fans
(C) Measuring body temperature
(D) Watering plants

Correct Answer: A

Explanation:

Astronomy helps us understand the Universe.

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Question (29)

QN004498

A telescope helps scientists study the Universe because it

(A) Creates stars
(B) Allows observation of distant celestial objects
(C) Changes galaxy positions
(D) Produces sunlight

Correct Answer: B

Explanation:

Telescopes help observe distant objects.

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Question (30)

QN004499

Which statement about the Universe is scientifically accepted in the chapter?

(A) It contains only the Milky Way Galaxy
(B) It includes all galaxies and celestial objects
(C) It contains only stars
(D) It ends at Neptune

Correct Answer: B

Explanation:

The Universe includes all celestial objects.

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Question (21)

Which observation helped humans develop ideas about the Universe?

Explanation:

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Question (22)

Ancient people developed curiosity about the Universe mainly by observing

Explanation:

Link:

Question (23)

A student identifies Earth, Sun, Solar System and Milky Way. Which should be placed last in order of increasing size?

Explanation:

Link:

Question (24)

Which object among the following is smallest?

Explanation:

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Question (25)

If there are many galaxies in the Universe, the Milky Way represents

Explanation:

Link:

Question (26)

Which statement is correct about galaxies and the Universe?

Explanation:

Link:

Question (27)

A learner arranges structures as Earth → Solar System → Milky Way → Universe. Which relationship is correct?

Explanation:

Link:

Question (28)

Which of the following would most likely increase our understanding of the Universe?

Explanation:

Link:

Question (29)

A telescope helps scientists study the Universe because it

Explanation:

Link:

Question (30)

Which statement about the Universe is scientifically accepted in the chapter?

Explanation:

Link:

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