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The Ever-Evolving World of Science Science - The Ever-Evolving World of Science

Gujarat Board (GSEB) - STD 7 - Science (GSEB - English Medium). 114 questions in this chapter.

Question types

The Ever-Evolving World of Science question types

114 questions across 9 question groups — pick any mix to generate a Science paper with step-by-step answer keys.

114
Questions
9
Question groups
5
Question types
Sample Questions

The Ever-Evolving World of Science questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 1MCQ (1 Marks)1 Mark
Why is asking questions about the nature of light and time important?
  • A
    To understand how clocks work
  • ✓
    To explore and discover how things function
  • C
    To make the light brighter
  • D
    To make clocks digital

Answer: B.

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Q 2MCQ (1 Marks)1 Mark
What is the connection between scientific ideas in different areas?
  • A
    They are completely separate topics.
  • ✓
    Scientific ideas in one field can lead to new discoveries or raise questions in another field.
  • C
    They have no relationship.
  • D
    They only deal with practical problems.

Answer: B.

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Q 3MCQ (1 Marks)1 Mark
What is the purpose of activities and experiments in science?
  • A
    To make the class fun
  • ✓
    To explore the world and gain a deeper understanding of the environment
  • C
    To memorise facts
  • D
    To avoid learning

Answer: B.

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Q 4MCQ (1 Marks)1 Mark
What is science primarily about?
  • A
    Discovering new facts
  • B
    Learning about different things in nature
  • ✓
    A process of thinking that welcomes curiosity and asks questions
  • D
    Memorising facts

Answer: C.

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Q 5MCQ (1 Marks)1 Mark
What is the purpose of asking questions and exploring in science?
  • A
    To memorise facts
  • B
    To confirm known facts
  • C
    To discover new things and think critically
  • D
    To learn only from textbooks
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Q 6Assertion (A) & Reason (B) MCQ1 Mark
Assertion (A): The Earth’s rotation does not cause day and night.
Reason (R): The Earth rotates on its axis, and this movement leads to different parts of the Earth facing the Sun at different times.
  • A
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • C
    A is true but R is false.
  • ✓
    A is false but R is true.

Answer: D.

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Q 7Assertion (A) & Reason (B) MCQ1 Mark
Assertion (A): Questions about light and shadows lead to a deeper understanding of the universe.
Reason (R): Studying light and shadows helps explain phenomena like eclipses and the Earth’s movement.
  • ✓
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • C
    A is true but R is false.
  • D
    A is false but R is true.

Answer: A.

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Q 8Assertion (A) & Reason (B) MCQ1 Mark
Assertion (A): Some changes in the world are irreversible.
Reason (R): Changes like burning of paper or rotting of an apple can be reversed.
  • A
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • ✓
    A is true but R is false.
  • D
    A is false but R is true.

Answer: C.

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Q 9Assertion (A) & Reason (B) MCQ1 Mark
Assertion (A): Science is an ongoing process of discovery.
Reason (R): Science involves asking questions and conducting experiments to understand how the world works.
  • ✓
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • C
    A is true but R is false.
  • D
    A is false but R is true.

Answer: A.

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Q 10Assertion (A) & Reason (B) MCQ1 Mark
Assertion (A) : Scientists work together across the world.
Reason (R) : Collaboration allows them to share ideas and solve problems more efficiently.
  • A
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • C
    A is true but R is false.
  • D
    A is false but R is true.
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Q 272 Marks Questions2 Marks
What are the benefits of conducting experiments and asking questions in science? How does this lead to deeper understanding and further exploration?
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Q 313 Marks Question3 Marks
Light and shadows are not only found around us at home. Even the Earth and the Moon can cast shadows, which causes eclipses. We also have day and night because of sunlight. To understand these things, we need to learn how the Earth spins on its axis, how the Moon moves around the Earth, and how the Earth moves around the Sun. These movements affect life on our planet. You will observe things, do fun experiments, and learn to think like a scientist. Even simple experiments can lead to more questions and learning.
Q.1 What causes day and night on Earth?
Q.2. What do we need to understand to learn about eclipses?
Q.3. Why should we do experiments while learning science?
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Q 353 Marks Question3 Marks
During the summer, you see that fruits ripen faster when left in a paper bag. Using your understanding of scientific reasoning, how can this observation lead to an experiment? What variables would you test to explore this change further?
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Q 36Match the Following.4 Marks
Column AColumn B
Q.1. WaterA. Can be reversible or irreversible
Q.2. ChangesB. Essential for the survival of all animals
Q.3. GrowthC. Evaporates from the seas
Q.4. Life processesD. Causes rapid changes in our bodies
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Q 37Match the Following.4 Marks
Column AColumn B
Q.1. ScienceA. Supports life
Q.2. EarthB. Involves experiments and activities
Q.3. ScientistC. Encourages asking questions
Q.4. CuriosityD. A process of discovery
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