CBSE Important Questions Class 7 Science Chapter 1: The Ever Evolving World of Science

Science helps us understand the world through observation, experiments and evidence. Chapter 1, The Ever Evolving World of Science, introduces students to scientific discoveries, inventions, technology, and the role of science in everyday life.

Practising CBSE Important Questions Class 7 Science Chapter 1 helps you revise important concepts and understand how questions can be framed in examinations. The following questions include MCQs, short-answer questions, and descriptive questions with answers to support your preparation.

CBSE Important Questions Class 7 Science Chapter 1

The questions below cover important concepts from The Ever Evolving World of Science. Practise them to check your understanding of scientific methods, scientific instruments, discoveries, and the relationship between science and technology.

Multiple Choice Questions (MCQs)

Q1. Which of the following is a benefit of science to society?

(A) Increased superstition
(B) Improved healthcare
(C) Decreased hygiene
(D) Slower communication

Ans. (B) Improved healthcare

Q2. Choose the correct option to fill in the blank:

Materials that allow electricity to pass through them are called __________.

(A) Insulators
(B) Reflectors
(C) Magnets
(D) Conductors

Ans. (D) Conductors

Q3. In the following flow chart, which option correctly fills in the blank?

Observation → Question → Hypothesis → Experiment → __________

(A) Celebration
(B) Data analysis
(C) Opinion
(D) Prediction

Ans. (B) Data analysis

Q4. What scientific concept is associated with this image?

(A) Evolution
(B) Inertia
(C) Electricity
(D) Gravitation

Ans. (D) Gravitation

Q5. Why does the chapter encourage students to step outside the classroom?

(A) To experience science through activities
(B) To have fun
(C) To avoid textbooks
(D) To skip lessons

Ans. (A) To experience science through activities

Short Answer Type Questions

Q6. Name any two scientific instruments and state their uses.

Ans.

1. Microscope – Used to observe very small objects.

2. Telescope – Used to observe distant celestial bodies.

Q7. Explain the relationship between science and technology.

Ans. Science helps us understand how the natural world works. Technology uses this scientific knowledge to create useful products and solutions. Advances in science often lead to new technologies, while technology helps scientists make new discoveries.

Q8. How have scientific discoveries improved human life? Mention any three examples.

Ans.

a) Development of medicines and vaccines.

b) Improved communication through mobile phones and the internet.

c) Better transportation through cars, trains, and airplanes.

CBSE Class 7 Science Chapter 1 Important Questions PDF

Students can download the CBSE Important Questions Class 7 Science Chapter 1 PDF to practise questions offline and revise the chapter at their convenience.

The PDF includes multiple-choice questions and short-answer questions with solutions. You can use it for regular revision, self-assessment, and preparation for school examinations.

For additional study material, you can also refer to the CBSE Class 7 Science syllabus to understand the topics covered in the curriculum.

Benefits of Using These Questions

Practising chapter-wise questions helps students revise concepts and identify areas that need more attention. Here are some benefits of solving these questions:

1. Better Conceptual Understanding: Questions based on scientific discoveries, instruments and experiments help you understand the fundamental concepts of the chapter.

2. Revision of Important Topics: MCQs and short-answer questions cover different topics from The Ever Evolving World of Science, making revision more organised.

3. Improved Answer-Writing Skills: Writing answers in your own words helps you explain scientific concepts clearly and structure your responses properly.

4. Self-Assessment: Solving questions without looking at the answers allows you to check your preparation and identify topics that require further revision.

5. Examination Practice: Practising different question formats familiarises you with the way questions may appear in school examinations.

6. Easy Revision: Keeping the downloaded PDF handy allows you to revisit important questions whenever you need to revise the chapter.

Along with these questions, you can refer to NCERT Solutions for Class 7 Science for detailed explanations and CBSE Class 7 Science Notes for chapter-wise revision.

Regular practice of CBSE Important Questions Class 7 Science Chapter 1 can help you develop a clear understanding of scientific concepts and prepare systematically for your examinations.