Here you will find NCERT MCQ Questions for Class 7 science with Answers PDF Free Download based on the important concepts and topics given in the textbook as per CBSE new exam pattern. This may assist you to understand and check your knowledge about the chapters. Students also can take a free test of the Multiple Choice Questions of Class 7 science. Each question has four options followed by the right answer. These MCQ Questions are selected supported by the newest exam pattern as announced by CBSE.
Q1. Which one is filled in the bulb of a thermometer?
(a) Mercury
(b) Lead
(c) Copper
(d) Silver
Answer: (a) Mercury
Q2. The substances which conduct heat easily are called:
(a) convection
(b) radiation
(c) conductors
(d) none of these
Answer: (c) conductors
Q3. During the night
(a) Sea water heats up
(b) Land heats up
(c) Land cools more quickly than the sea
(d) Sea cools quickly than the land
Answer: (c) Land cools more quickly than the sea
Q4. What is the range of the temperature reading of a clinical thermometer?
(a) 35°C – 42°C
(b) -10°C – 110°C
(c) 0°C – 100°C
(d) 32°C – 42°C
Answer: (a) 35°C – 42°C
Q5. What is the normal temperature of a healthy person?
(a) 37°C
(b) 37°F
(c) 37 K
(d) None of these
Answer: (a) 37°C
Q6. In which process heat is transferred from hotter end to colder end is known as:
(a) conduction
(b) convection
(c) radiation
(d) none of these
Answer: (a) conduction
Q7. Mercury is generally used in thermometer because it has a
(a) high fluidity
(b) high density
(c) high conductivity
(d) high specific heat
Answer: (c) high conductivity
Q8. Which of the following thermometer contains mercury?
(a) Clinical thermometer
(b) Laboratory thermometer
(c) Both (a) and (b)
(d) None of these
Answer: (c) Both (a) and (b)
Q9. Heat always flows
(a) from a colder object to a hotter object
(b) from a hotter object to a colder object
(c) in both the directions
(d) heat never flows from one object to other
Answer: (b) from a hotter object to a colder object
Q10. Which currents are formed in all liquid on heating ?
(a) radiation current
(b) conduction current
(c) convection current
(d) none of these
Answer: (c) convection current
Q11. Which of the following is a insulator
(a) Graphite
(b) Air
(c) Aluminium rod
(d) Copper rod
Answer: (b) Air
Q12. Which of the following is a good conductor of heat?
(a) Iron
(b) Steel
(c) Aluminium
(d) All of these
Answer: (d) All of these
Q13. Which one of the following is a reliable measure?
(a) Hotness
(b) Coldness
(c) Temperature
(d) None of these
Answer: (c) Temperature
Q14. Heat in liquid travels from the:
(a) bottom to top
(b) top to bottom
(c) right to left
(d) left to right
Answer: (a) bottom to top
Q15. Which of the following is the best conductor of heat?
(a) Water vapour
(b) Metals
(c) Alcohol
(d) Water
Answer: (b) Metals
Q16. A device used to measure the temperature is
(a) transistor
(b) thermometer
(c) mercury
(d) none of these
Answer: (b) thermometer
Q17. Name the device which is used to measure the hotness or coldness of an object.
(a) Picometer
(b) Barometer
(c) Manometer
(d) Thermometer
Answer: (d) Thermometer
Q18. Heat transferred into solids by:
(a) conduction
(b) convection
(c) radiation
(d) insulators
Answer: (a) conduction
Q19. Heat of sun reaches to earth by
(a) Radiation
(b) Conduction
(c) Through air
(d) Convection
Answer: (a) Radiation
Q20. Which of the following thermometers has a kink?
(a) Laboratory thermometer
(b) Clinical thermometer
(c) Both (a) and (b)
(d) Digital thermometer
Answer: (b) Clinical thermometer
Class 7 Science MCQs Multiple Choice Questions with Answers
Chapter 1: Nutrition in Plants Class 7 MCQ
Chapter 2: Nutrition in Animals Class 7 MCQ
Chapter 3: Fibre to Fabric Class 7 MCQ
Chapter 4: Heat Class 7 MCQ
Chapter 5: Acids, Bases and Salts Class 7 MCQ
Chapter 6: Physical and Chemical Changes Class 7 MCQ
Chapter 7: Weather, Climate and Adaptations of Animals to Climate Class 7 MCQ
Chapter 8: Winds, Storms and Cyclones Class 7 MCQ
Chapter 9: Soil Class 7 MCQ
Chapter 10: Respiration in Organisms Class 7 MCQ Questions
Chapter 11: Transportation in Animals and Plants Class 7 MCQ Questions
Chapter 12: Reproduction in Plants Class 7 MCQ Questions
Chapter 13: Motion and Time Class 7 MCQ Questions
Chapter 14: Electric Current and Its Effects Class 7 MCQ Questions
Chapter 15: Light Class 7 MCQ Questions
Chapter 16: Water: A Precious Resource Class 7 MCQ Questions
Chapter 17: Forests: Our Lifeline Class 7 MCQ Questions
Chapter 18: Wastewater Story Class 7 MCQ Questions
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