Extra Questions for Class 7 Science with Answers

Extra questions are practice-based questions that help you gain extra benefits and score more marks in your exams. Infinity Learn has prepared these updated chapter-wise extra questions for Class 7 Science. These questions will help you clear your concepts on any topic clearly. Science as a subject requires more practice and understanding, and it will only be possible when you put in extra effort and practice these extra questions daily.

One can easily download chapter-wise NCERT Extra Questions for Class 7 Science in PDF format for free. These extra questions are prepared keeping in mind the latest CBSE Syllabus and by our expert faculties to help students understand every concept clearly. Practicing these important CBSE Class 7 Science questions and answers will help in extra practice and help in securing higher marks in exams.

Extra Questions for CBSE Class 7 Science

In Science practicing more leads to better understanding. That’s why CBSE Class 7 Science Extra Questions with Answers is made to help you study smarter. You can download chapter-wise PDFs of these extra questions from the links given below.

Class 7 Science Extra Questions contain mix of multiple-choice questions (MCQs), short answer questions, and long answer questions that is designed to make 

In these Class 7 Science Extra Questions PDFs, you’ll find a mix of multiple-choice questions (MCQs), short answer questions, and long answer questions. Each question is designed to make concepts clear and more approachable.

These extra questions cover all important topics from the NCERT Class 7 Science book, including:

• Nutrition in Plants and Animals
• Heat and Acids, Bases, and Salts
• Physical and Chemical Changes
• Weather, Climate, and Adaptations
• Electric Current, Motion and Time, and Light
• Water, Forests, and Wastewater Management etc.

Class 7 Science Study Resource

• NCERT Solutions for Class 7 Science
• Class 7 Science Sample Papers
• Class 7 Science Worksheets
• Class 7 Science MCQs
• Class 7 Science Important Questions

NCERT Class 7 Science Extra Questions Chapter Wise

Below we have provided Chapter wise extra questions for Class 7 Science so that students can easily practice from science annual examinations.

CBSE Class 7 Science Extra Questions and Answers - Practice Questions

1. Which process allows green plants to prepare food without taking food from outside?
   a) Transpiration
   b) Photosynthesis 
   c) Respiration
   d) Germination
2. Which part of the human digestive system starts the digestion of starch?
   a) Small intestine
   b) Stomach
   c) Mouth 
   d) Large intestine
3. Which gas is released during the process of photosynthesis?
   a) Nitrogen
   b) Carbon dioxide
   c) Oxygen 
   d) Hydrogen
4. Wool and silk fibres are made up of what kind of material?
   a) Synthetic polymers
   b) Animal proteins 
   c) Plant cellulose
   d) Plastic compounds
5. The transfer of heat through solids takes place by:
   a) Convection
   b) Conduction 
   c) Radiation
   d) Reflection
6. Which one of these indicators turns pink in a basic solution?
   a) Methyl orange
   b) Turmeric
   c) Phenolphthalein 
   d) Litmus
7. What kind of change is rusting of iron?
   a) Physical change
   b) Chemical change 
   c) Temporary change
   d) None of these
8. The camel’s hump helps it to:
   a) Store water
   b) Store fat 
   c) Store oxygen
   d) Store protein
9. The speed of wind increases when:
   a) Air pressure increases
   b) Air pressure decreases 
   c) Humidity increases
   d) Temperature decreases
10. Which type of soil is best suited for growing cotton?
    a) Alluvial soil
    b) Sandy soil
    c) Black soil 
    d) Clayey soil
11. The exchange of gases in plants mainly takes place through:
    a) Stomata 
    b) Root hairs
    c) Flowers
    d) Fruit pores
12. The pulse rate of a human shows the:
    a) Rate of breathing
    b) Beating of arteries 
    c) Beating of veins
    d) Movement of food
13. Which part of a plant helps in the production of new plants without seeds?
    a) Leaf
    b) Stem (by cutting) 
    c) Flower
    d) Root hairs
14. The distance-time graph of a body moving at constant speed is always:
    a) Curved
    b) Straight line 
    c) Zigzag
    d) Horizontal line
15. The magnetic effect of electric current was discovered by:
    a) Newton
    b) Oersted 
    c) Faraday
    d) Volta
16. Which of the following is not a luminous object?
    a) Sun
    b) Candle
    c) Moon 
    d) Bulb
17. Which property of water helps it to act as a universal solvent?
    a) Colorless nature
    b) High boiling point
    c) Ability to dissolve many substances 
    d) Tastelessness
18. Forests help in controlling floods because:
    a) They absorb sunlight
    b) They hold water in the soil 
    c) They create wind
    d) They block rain
19. The process of converting dirty water into clean water is known as:
    a) Distillation
    b) Filtration
    c) Purification 
    d) Sedimentation
20. Which of the following best explains why the Earth’s atmosphere doesn’t escape into space?
    a) Earth’s rotation
    b) Gravitational force 
    c) Air pressure
    d) Clouds hold it back

Why Practice Extra Questions for Class 7 Science?

Doing additional questions on Class 7 Science is significant in exams. Textbook reading helps to learn concepts and doing some extra questions on a chapter by chapter basis could assist in testing the things you know. These are questions that go beyond the fundamentals and use reasoning and know how ideas interrelate in the real world.

By doing extra questions on Class 7 Science and answers, you become more capable of remembering facts and definitions and formulas. Students will begin to be aware of the patterns of types of questions that occur in exams. It’s the best way to revise quickly before tests without missing any topic.

Tips to Score High in Class 7 Science Exams

Scoring high in Class 7 Science exams does not mean to memorize it rather it means to learn and drill it. Here are a few things that can work:

• Read one chapter at a time and take brief notes to be revised quickly.
• Do some additional questions and sample papers each day to get familiar with different question types.
• Learn the concepts and not merely definitions.
• Revise diagrams, formulas, and experiments as they often carry good marks.
• Try to relate science concepts with daily life examples.
• Attempt mock tests before exams to check your speed and accuracy.

Don't Miss Out: CBSE Class 7 Syllabus for All Subjects (2025-26)