Important Formulas for Class 8 Science. Try first, then reveal the answer. These are exam-oriented practice items, not copied board papers.
Practice questions aligned to NCERT topics used in CBSE classrooms. These are original exam-oriented questions for revision — not official CBSE board papers and not a guarantee of any exam question. Always match the textbook issued by your school and the latest PDFs on ncert.nic.in and cbseacademic.nic.in.
Answers opened: 0
Practice set
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Exploring the Investigative World of Science in the chapter Exploring the Investigative World of Science.
A. A fair test changes one variable
B. CBSE often tests a concept by asking a daily-life example from the same chapter
C. Exploring the Investigative World of Science is an NCERT chapter taught in CBSE Class 8 Science
D. Repeat improves reliability
Answer
A. A fair test changes one variable
Explanation
A fair test changes one variable. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: Exploring the Investigative World of Science · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to Exploring the Investigative World of Science in the chapter Exploring the Investigative World of Science.
A. Science is investigative
B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
D. Record observations honestly
Answer
D. Record observations honestly
Explanation
Record observations honestly. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: Exploring the Investigative World of Science · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to Exploring the Investigative World of Science in the chapter Exploring the Investigative World of Science.
A. Safety rules
B. Every chapter ends with keywords or a summary that is useful for one-mark answers
C. Write three points from Exploring the Investigative World of Science in your own words; that is enough for a short-answer start
D. Repeat improves reliability
Answer
D. Repeat improves reliability
Explanation
Repeat improves reliability. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: Exploring the Investigative World of Science · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to Exploring the Investigative World of Science in the chapter Exploring the Investigative World of Science.
A. Exploring the Investigative World of Science is an NCERT chapter taught in CBSE Class 8 Science
B. Use the terms used in the NCERT book; do not replace them with unofficial names
C. Science is investigative
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
C. Science is investigative
Explanation
Science is investigative. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: Exploring the Investigative World of Science · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to The Invisible Living World: Beyond Our Naked Eye in the chapter The Invisible Living World: Beyond Our Naked Eye.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. The Invisible Living World: Beyond Our Naked Eye is an NCERT chapter taught in CBSE Class 8 Science
C. Hygiene limits harmful microbes
D. Microbes are seen with a microscope
Answer
D. Microbes are seen with a microscope
Explanation
Microbes are seen with a microscope. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: The Invisible Living World: Beyond Our Naked Eye · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to The Invisible Living World: Beyond Our Naked Eye in the chapter The Invisible Living World: Beyond Our Naked Eye.
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
C. Yeast and curd are familiar examples
D. Some microbes are useful; some cause disease
Answer
D. Some microbes are useful; some cause disease
Explanation
Some microbes are useful; some cause disease. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: The Invisible Living World: Beyond Our Naked Eye · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to The Invisible Living World: Beyond Our Naked Eye in the chapter The Invisible Living World: Beyond Our Naked Eye.
A. Write three points from The Invisible Living World: Beyond Our Naked Eye in your own words; that is enough for a short-answer start
B. Every chapter ends with keywords or a summary that is useful for one-mark answers
C. Hygiene limits harmful microbes
D. Do not share unscientific fear of all microbes
Answer
C. Hygiene limits harmful microbes
Explanation
Hygiene limits harmful microbes. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: The Invisible Living World: Beyond Our Naked Eye · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to The Invisible Living World: Beyond Our Naked Eye in the chapter The Invisible Living World: Beyond Our Naked Eye.
A. Yeast and curd are familiar examples
B. Use the terms used in the NCERT book; do not replace them with unofficial names
C. The Invisible Living World: Beyond Our Naked Eye is an NCERT chapter taught in CBSE Class 8 Science
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
A. Yeast and curd are familiar examples
Explanation
Yeast and curd are familiar examples. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: The Invisible Living World: Beyond Our Naked Eye · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Health: The Ultimate Treasure in the chapter Health: The Ultimate Treasure.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. Health: The Ultimate Treasure is an NCERT chapter taught in CBSE Class 8 Science
C. Health is physical, mental and social well-being
D. Vaccination as in the lesson
Answer
C. Health is physical, mental and social well-being
Explanation
Health is physical, mental and social well-being. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: Health: The Ultimate Treasure · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to Health: The Ultimate Treasure in the chapter Health: The Ultimate Treasure.
A. Balanced diet, sleep, exercise
B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
D. Clean water and sanitation
Answer
A. Balanced diet, sleep, exercise
Explanation
Balanced diet, sleep, exercise. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: Health: The Ultimate Treasure · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to Health: The Ultimate Treasure in the chapter Health: The Ultimate Treasure.
A. Every chapter ends with keywords or a summary that is useful for one-mark answers
B. Write three points from Health: The Ultimate Treasure in your own words; that is enough for a short-answer start
C. Vaccination as in the lesson
D. Do not self-medicate from rumours
Answer
C. Vaccination as in the lesson
Explanation
Vaccination as in the lesson. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: Health: The Ultimate Treasure · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to Health: The Ultimate Treasure in the chapter Health: The Ultimate Treasure.
A. Use the terms used in the NCERT book; do not replace them with unofficial names
B. Clean water and sanitation
C. Health: The Ultimate Treasure is an NCERT chapter taught in CBSE Class 8 Science
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
B. Clean water and sanitation
Explanation
Clean water and sanitation. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: Health: The Ultimate Treasure · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Electricity: Magnetic and Heating Effects in the chapter Electricity: Magnetic and Heating Effects.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. Electricity: Magnetic and Heating Effects is an NCERT chapter taught in CBSE Class 8 Science
C. A current-carrying wire has a magnetic field
D. Heating effect of current
Answer
C. A current-carrying wire has a magnetic field
Explanation
A current-carrying wire has a magnetic field. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: Electricity: Magnetic and Heating Effects · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to Electricity: Magnetic and Heating Effects in the chapter Electricity: Magnetic and Heating Effects.
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
C. A fuse melts to break an unsafe circuit
D. Electromagnet
Answer
C. A fuse melts to break an unsafe circuit
Explanation
A fuse melts to break an unsafe circuit. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: Electricity: Magnetic and Heating Effects · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to Electricity: Magnetic and Heating Effects in the chapter Electricity: Magnetic and Heating Effects.
A. Heating effect of current
B. Never touch a live wire
C. Every chapter ends with keywords or a summary that is useful for one-mark answers
D. Write three points from Electricity: Magnetic and Heating Effects in your own words; that is enough for a short-answer start
Answer
A. Heating effect of current
Explanation
Heating effect of current. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: Electricity: Magnetic and Heating Effects · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to Electricity: Magnetic and Heating Effects in the chapter Electricity: Magnetic and Heating Effects.
A. Electromagnet
B. Use the terms used in the NCERT book; do not replace them with unofficial names
C. Electricity: Magnetic and Heating Effects is an NCERT chapter taught in CBSE Class 8 Science
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
A. Electromagnet
Explanation
Electromagnet. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: Electricity: Magnetic and Heating Effects · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Exploring Forces in the chapter Exploring Forces.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. Gravity is a non-contact force
C. A force can change speed, direction or shape
D. Exploring Forces is an NCERT chapter taught in CBSE Class 8 Science
Answer
C. A force can change speed, direction or shape
Explanation
A force can change speed, direction or shape. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: Exploring Forces · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to Exploring Forces in the chapter Exploring Forces.
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
C. Muscular force is a contact force
D. Friction opposes relative motion
Answer
D. Friction opposes relative motion
Explanation
Friction opposes relative motion. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: Exploring Forces · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to Exploring Forces in the chapter Exploring Forces.
A. SI unit of force is newton — if the chapter uses it
B. Every chapter ends with keywords or a summary that is useful for one-mark answers
C. Write three points from Exploring Forces in your own words; that is enough for a short-answer start
D. Gravity is a non-contact force
Answer
D. Gravity is a non-contact force
Explanation
Gravity is a non-contact force. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: Exploring Forces · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to Exploring Forces in the chapter Exploring Forces.
A. Muscular force is a contact force
B. Exploring Forces is an NCERT chapter taught in CBSE Class 8 Science
C. Use the terms used in the NCERT book; do not replace them with unofficial names
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
A. Muscular force is a contact force
Explanation
Muscular force is a contact force. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: Exploring Forces · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Pressure, Winds, Storms, and Cyclones in the chapter Pressure, Winds, Storms, and Cyclones.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. Cyclones are dangerous weather systems
C. Pressure = force / area
D. Pressure, Winds, Storms, and Cyclones is an NCERT chapter taught in CBSE Class 8 Science
Answer
C. Pressure = force / area
Explanation
Pressure = force / area. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: Pressure, Winds, Storms, and Cyclones · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to Pressure, Winds, Storms, and Cyclones in the chapter Pressure, Winds, Storms, and Cyclones.
A. Air moves from high to low pressure — wind
B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
D. Listen to official warnings
Answer
A. Air moves from high to low pressure — wind
Explanation
Air moves from high to low pressure — wind. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: Pressure, Winds, Storms, and Cyclones · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to Pressure, Winds, Storms, and Cyclones in the chapter Pressure, Winds, Storms, and Cyclones.
A. Every chapter ends with keywords or a summary that is useful for one-mark answers
B. Cyclones are dangerous weather systems
C. Do not stand under trees in a thunderstorm
D. Write three points from Pressure, Winds, Storms, and Cyclones in your own words; that is enough for a short-answer start
Answer
B. Cyclones are dangerous weather systems
Explanation
Cyclones are dangerous weather systems. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: Pressure, Winds, Storms, and Cyclones · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to Pressure, Winds, Storms, and Cyclones in the chapter Pressure, Winds, Storms, and Cyclones.
A. Use the terms used in the NCERT book; do not replace them with unofficial names
B. Pressure, Winds, Storms, and Cyclones is an NCERT chapter taught in CBSE Class 8 Science
C. Listen to official warnings
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
C. Listen to official warnings
Explanation
Listen to official warnings. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: Pressure, Winds, Storms, and Cyclones · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Particulate Nature of Matter in the chapter Particulate Nature of Matter.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. Matter is made of particles
C. They move faster when hotter
D. Particulate Nature of Matter is an NCERT chapter taught in CBSE Class 8 Science
Answer
B. Matter is made of particles
Explanation
Matter is made of particles. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: Particulate Nature of Matter · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to Particulate Nature of Matter in the chapter Particulate Nature of Matter.
A. Particles have space between them
B. Diffusion
C. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer
A. Particles have space between them
Explanation
Particles have space between them. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: Particulate Nature of Matter · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to Particulate Nature of Matter in the chapter Particulate Nature of Matter.
A. States of matter differ in particle arrangement
B. They move faster when hotter
C. Every chapter ends with keywords or a summary that is useful for one-mark answers
D. Write three points from Particulate Nature of Matter in your own words; that is enough for a short-answer start
Answer
B. They move faster when hotter
Explanation
They move faster when hotter. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: Particulate Nature of Matter · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to Particulate Nature of Matter in the chapter Particulate Nature of Matter.
A. Particulate Nature of Matter is an NCERT chapter taught in CBSE Class 8 Science
B. Use the terms used in the NCERT book; do not replace them with unofficial names
C. Diffusion
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
C. Diffusion
Explanation
Diffusion. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: Particulate Nature of Matter · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Nature of Matter: Elements, Compounds, and Mixtures in the chapter Nature of Matter: Elements, Compounds, and Mixtures.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. An element is a pure substance of one kind of atom as taught at this level
C. A mixture can be separated by physical methods
D. Nature of Matter: Elements, Compounds, and Mixtures is an NCERT chapter taught in CBSE Class 8 Science
Answer
B. An element is a pure substance of one kind of atom as taught at this level
Explanation
An element is a pure substance of one kind of atom as taught at this level. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: Nature of Matter: Elements, Compounds, and Mixtures · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to Nature of Matter: Elements, Compounds, and Mixtures in the chapter Nature of Matter: Elements, Compounds, and Mixtures.
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
C. Air is a mixture
D. A compound has elements chemically combined
Answer
D. A compound has elements chemically combined
Explanation
A compound has elements chemically combined. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: Nature of Matter: Elements, Compounds, and Mixtures · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to Nature of Matter: Elements, Compounds, and Mixtures in the chapter Nature of Matter: Elements, Compounds, and Mixtures.
A. Every chapter ends with keywords or a summary that is useful for one-mark answers
B. A mixture can be separated by physical methods
C. Write three points from Nature of Matter: Elements, Compounds, and Mixtures in your own words; that is enough for a short-answer start
D. Water is a compound
Answer
B. A mixture can be separated by physical methods
Explanation
A mixture can be separated by physical methods. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: Nature of Matter: Elements, Compounds, and Mixtures · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to Nature of Matter: Elements, Compounds, and Mixtures in the chapter Nature of Matter: Elements, Compounds, and Mixtures.
A. Use the terms used in the NCERT book; do not replace them with unofficial names
B. Nature of Matter: Elements, Compounds, and Mixtures is an NCERT chapter taught in CBSE Class 8 Science
C. CBSE often tests a concept by asking a daily-life example from the same chapter
D. Air is a mixture
Answer
D. Air is a mixture
Explanation
Air is a mixture. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: Nature of Matter: Elements, Compounds, and Mixtures · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to The Amazing World of Solutes, Solvents, and Solutions in the chapter The Amazing World of Solutes, Solvents, and Solutions.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. The Amazing World of Solutes, Solvents, and Solutions is an NCERT chapter taught in CBSE Class 8 Science
C. A solution is a homogeneous mixture
D. Saturated solution cannot dissolve more at that temperature
Answer
C. A solution is a homogeneous mixture
Explanation
A solution is a homogeneous mixture. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: The Amazing World of Solutes, Solvents, and Solutions · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to The Amazing World of Solutes, Solvents, and Solutions in the chapter The Amazing World of Solutes, Solvents, and Solutions.
A. Solute dissolves; solvent does the dissolving
B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
D. Dilute vs concentrated
Answer
A. Solute dissolves; solvent does the dissolving
Explanation
Solute dissolves; solvent does the dissolving. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: The Amazing World of Solutes, Solvents, and Solutions · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to The Amazing World of Solutes, Solvents, and Solutions in the chapter The Amazing World of Solutes, Solvents, and Solutions.
A. Water is a common solvent
B. Every chapter ends with keywords or a summary that is useful for one-mark answers
C. Write three points from The Amazing World of Solutes, Solvents, and Solutions in your own words; that is enough for a short-answer start
D. Saturated solution cannot dissolve more at that temperature
Answer
D. Saturated solution cannot dissolve more at that temperature
Explanation
Saturated solution cannot dissolve more at that temperature. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: The Amazing World of Solutes, Solvents, and Solutions · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to The Amazing World of Solutes, Solvents, and Solutions in the chapter The Amazing World of Solutes, Solvents, and Solutions.
A. The Amazing World of Solutes, Solvents, and Solutions is an NCERT chapter taught in CBSE Class 8 Science
B. Use the terms used in the NCERT book; do not replace them with unofficial names
C. Dilute vs concentrated
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
C. Dilute vs concentrated
Explanation
Dilute vs concentrated. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: The Amazing World of Solutes, Solvents, and Solutions · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Light: Mirrors and Lenses in the chapter Light: Mirrors and Lenses.
A. Light: Mirrors and Lenses is an NCERT chapter taught in CBSE Class 8 Science
B. CBSE often tests a concept by asking a daily-life example from the same chapter
C. A plane mirror forms a virtual, erect image of the same size
D. A lens bends light
Answer
C. A plane mirror forms a virtual, erect image of the same size
Explanation
A plane mirror forms a virtual, erect image of the same size. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: Light: Mirrors and Lenses · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to Light: Mirrors and Lenses in the chapter Light: Mirrors and Lenses.
A. Focal length
B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
D. Concave and convex mirrors
Answer
D. Concave and convex mirrors
Explanation
Concave and convex mirrors. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: Light: Mirrors and Lenses · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to Light: Mirrors and Lenses in the chapter Light: Mirrors and Lenses.
A. Every chapter ends with keywords or a summary that is useful for one-mark answers
B. A lens bends light
C. Write three points from Light: Mirrors and Lenses in your own words; that is enough for a short-answer start
D. Never look at the Sun through a lens
Answer
B. A lens bends light
Explanation
A lens bends light. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: Light: Mirrors and Lenses · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to Light: Mirrors and Lenses in the chapter Light: Mirrors and Lenses.
A. Focal length
B. Use the terms used in the NCERT book; do not replace them with unofficial names
C. CBSE often tests a concept by asking a daily-life example from the same chapter
D. Light: Mirrors and Lenses is an NCERT chapter taught in CBSE Class 8 Science
Answer
A. Focal length
Explanation
Focal length. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: Light: Mirrors and Lenses · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Keeping Time with the Skies in the chapter Keeping Time with the Skies.
A. A day is linked to Earth’s rotation
B. CBSE often tests a concept by asking a daily-life example from the same chapter
C. Calendars organise time
D. Keeping Time with the Skies is an NCERT chapter taught in CBSE Class 8 Science
Answer
A. A day is linked to Earth’s rotation
Explanation
A day is linked to Earth’s rotation. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: Keeping Time with the Skies · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to Keeping Time with the Skies in the chapter Keeping Time with the Skies.
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
C. Moon cycle ~ 29.5 days
D. A year to revolution
Answer
D. A year to revolution
Explanation
A year to revolution. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: Keeping Time with the Skies · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to Keeping Time with the Skies in the chapter Keeping Time with the Skies.
A. Indian calendars are discussed in the lesson — follow the text
B. Every chapter ends with keywords or a summary that is useful for one-mark answers
C. Calendars organise time
D. Write three points from Keeping Time with the Skies in your own words; that is enough for a short-answer start
Answer
C. Calendars organise time
Explanation
Calendars organise time. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: Keeping Time with the Skies · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to Moon cycle ~ 29 in the chapter Keeping Time with the Skies.
A. Use the terms used in the NCERT book; do not replace them with unofficial names
B. Moon cycle ~ 29.5 days
C. Keeping Time with the Skies is an NCERT chapter taught in CBSE Class 8 Science
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
B. Moon cycle ~ 29.5 days
Explanation
Moon cycle ~ 29.5 days. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: Keeping Time with the Skies · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to How Nature Works in Harmony in the chapter How Nature Works in Harmony.
A. How Nature Works in Harmony is an NCERT chapter taught in CBSE Class 8 Science
B. Balance can be disturbed by pollution
C. CBSE often tests a concept by asking a daily-life example from the same chapter
D. Producers, consumers, decomposers
Answer
D. Producers, consumers, decomposers
Explanation
Producers, consumers, decomposers. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: How Nature Works in Harmony · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q2MCQ1 markEasy
Choose the correct statement related to How Nature Works in Harmony in the chapter How Nature Works in Harmony.
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
C. Conserve habitats
D. A food chain
Answer
D. A food chain
Explanation
A food chain. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: How Nature Works in Harmony · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q3MCQ1 markEasy
Choose the correct statement related to How Nature Works in Harmony in the chapter How Nature Works in Harmony.
A. Humans are part of nature
B. Every chapter ends with keywords or a summary that is useful for one-mark answers
C. Write three points from How Nature Works in Harmony in your own words; that is enough for a short-answer start
D. Balance can be disturbed by pollution
Answer
D. Balance can be disturbed by pollution
Explanation
Balance can be disturbed by pollution. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: How Nature Works in Harmony · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q4MCQ1 markEasy
Choose the correct statement related to How Nature Works in Harmony in the chapter How Nature Works in Harmony.
A. Use the terms used in the NCERT book; do not replace them with unofficial names
B. How Nature Works in Harmony is an NCERT chapter taught in CBSE Class 8 Science
C. CBSE often tests a concept by asking a daily-life example from the same chapter
D. Conserve habitats
Answer
D. Conserve habitats
Explanation
Conserve habitats. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 8 · Subject: Science · Chapter: How Nature Works in Harmony · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
FAQs
Are these official CBSE board questions?
No. They are original practice questions aligned to NCERT topics used in CBSE classrooms. Official sample papers are published on cbseacademic.nic.in.
Will these questions appear in the board exam?
Nobody can promise a question. Use them for revision of frequently tested concepts and exam-style practice.
Is the chapter list the latest NCERT list?
Yes, the catalog follows current NCERT textbooks used in CBSE schools (including new middle-stage books such as Ganita Prakash and Curiosity). Always match the book issued by your school.
Where are NCERT solutions?
Open the NCERT-style practice link on this subject or chapter. For word-for-word textbook exercise answers, use the NCERT book itself; we do not copy solution keys from other websites.
What is the suggested URL pattern?
Hub /cbse/, then /cbse/class-8/, then subject and chapter slugs.
Why is this a separate URL?
So students searching for “Important Formulas” land on a filtered set, while the chapter page remains the full 100-question bank. Same facts, different search intent.
Today's 3-step path
Follow this loop every day: mixed test, current affairs, then today's subject. A new set arrives tomorrow.
