Important Questions for CBSE Class 7 Science with Answers

Important questions for Class 7 Science are created for students to get extra practice for their exam preparation. These 7th grade science Questions are created as per the latest CBSE Science syllabus for the academic year 2025-26.

CBSE Board Class 7 Science exam covers topics from Physics, Chemistry, and Biology—it’s all about Environmental Science. The important questions designed are related to these topics. Along with theoretical knowledge, students will also be able to learn how to make proper labelling of diagrams and know how to frame the right answers in their exam. 

To help you out, Infinity Learn has provided complete chapter-wise important questions for Class 7 students. Also, students will get to know about practical experiment questions as well, which will help them in practical exam viva questions too.

Important Questions for CBSE Class 7 Science with Answers

Important topics included in important questions for CBSE Class 7 Science are: human body systems, plant processes, force and motion, and environmental studies. Topics like human body, plant biology (photosynthesis), physical and chemical changes, force and motion, and the environment are well covered. Solving these questions daily will help students in understanding the concepts easily and will enable them to score good marks in Science exams.

Below, we have provided a table listing important questions from each chapter, helping students focus on important areas and enhance their conceptual knowledge.

Also Check: NCERT Solutions for Class 7 Science 

20 Most Important Questions for CBSE Class 7 Science with Answers

Q1. Which part of the digestive system is mainly responsible for absorption of nutrients?
A. Stomach
B. Small Intestine
C. Large Intestine
D. Liver
Answer: B. Small Intestine

Q2. Which of the following is an example of physical change?
A. Rusting of iron
B. Burning of paper
C. Melting of ice
D. Cooking of rice
Answer: C. Melting of ice

Q3. What is another name for the backbone in the human body?
A. Ribcage
B. Spinal Cord
C. Vertebral Column
D. Skull
Answer: C. Vertebral Column

Q4. Which of the following forces can work even without making physical contact?
A. Friction
B. Muscular force
C. Magnetic force
D. Push
Answer: C. Magnetic force

Q5. What important role does chlorophyll play during the process of photosynthesis?
A. Absorbs carbon dioxide
B. Absorbs water
C. Absorbs sunlight
D. Produces oxygen
Answer: C. Absorbs sunlight

Q6. What do we call the time it takes for a swing to complete one full back-and-forth movement?
A. Frequency
B. Period
C. Amplitude
D. Speed
Answer: B. Period

Q7. What happens to blood pressure when the heart pumps faster?
A. Decreases
B. Increases
C. No change
D. Stops
Answer: B. Increases

Q8. Which instrument is used to measure temperature in a laboratory experiment?
A. Barometer
B. Thermometer
C. Manometer
D. Altimeter
Answer: B. Thermometer

Q9. Which gas is essential for burning?
A. Carbon dioxide
B. Nitrogen
C. Oxygen
D. Hydrogen
Answer: C. Oxygen

Q10. Which part of the plant shows negative geotropism?
A. Root
B. Stem
C. Leaf
D. Flower
Answer: B. Stem

Q11. The speed of an object is calculated by:
A. Mass ÷ Time
B. Distance × Time
C. Distance ÷ Time
D. Time ÷ Distance
Answer: C. Distance ÷ Time

Q12. From the options below, which one can break down naturally in the environment?
A. Plastic bottle
B. Polythene
C. Paper
D. Glass
Answer: C. Paper

Q13. Which type of soil is most suitable and rich for growing healthy crops?
A. Sandy soil
B. Clayey soil
C. Loamy soil
D. Rocky soil
Answer: C. Loamy soil

Q14. Which planet has the fastest rotation in the solar system?
A. Earth
B. Mars
C. Jupiter
D. Venus
Answer: C. Jupiter

Also Check: Important Questions for Class 7 English | Important Questions for Class 7 Maths

Q15. Which of the following is not a feature commonly found in acids?

A) Sour taste
B) Turns blue litmus red
C) Produces hydrogen ions in water
D) Feels slippery

Answer: D) Feels slippery
Bases feel slippery, not acids.

Q16. What is the primary reason for the seasons on Earth?

 A) Distance from the Sun
B) Tilt of the Earth's axis
C) Shape of the Earth
D) Rotation of the Moon

Answer: B) Tilt of the Earth's axis

Q17. What do we call the process when a liquid slowly turns into vapor without reaching its boiling point?

A) Condensation
B) Evaporation
C) Sublimation
D) Freezing

Answer: B) Evaporation

How Class 7 Science Important Questions Boost Exam Preparation 

With regular Practice of CBSE Class 7 Science Important Questions students will build strong conceptual understanding of the chapter

• Important questions highlight the most frequently asked and high-weightage topics,  that help students to concentrate on what matters most for the exam.
• Practicing these CBSE Class 7 Science important questions ensures students grasp fundamental science concepts, which is essential for scoring well in exam.
• Solving important questions regularly will make students efficient in writing answers within the exam time limit.
• These questions are created by Infinity Learn subject in the same format of actual exam questions, making students comfortable with the types of questions they will face.
• These Important Questions act as  handy resource for last-minute revision.
• Exposure to different types of questions improves analytical and critical thinking abilities.