MCQ Questions for Class 7 Science Chapter 8 : NCERT solutions for Class 7 Science MCQs Chapter 8 “Winds, Storms and Cyclones” with Answers PDF Free Download prepared here according to the latest CBSE syllabus and NCERT curriculum. Class 7 Science MCQs Multiple Choice Questions for all Chapter.
MCQ Questions for Class 7 Science Chapter 8 Winds, Storms and Cyclones with answer PDF
Q1. Odisha was hit by a cyclone in the year
(a) 1998
(b) 1999
(c) 2000
(d) none of these
Answer: (b) 1999
Q2. How are sea and land breezes caused?
(a) Through convection currents
(b) Through cyclones
(c) Through rains
(d) Through conduction
Answer: (a) Through convection currents
Q3. Winds currents generated by uneven heating between the equator and the:
(a) Moon
(b) Poles
(c) Sun
(d) Stars
Answer: (b) Poles
Q4. Cyclone warning is issued
(a) 20 hrs in advance
(b) 12 hrs in advance
(c) 24 hrs in advance
(d) none of these
Answer: (c) 24 hrs in advance
Q5. Lightning is usually accompanied by
(a) Rain
(b) Earthquake
(c) Thunder
(d) Floods
Answer: (c) Thunder
Q6. Smoke is hotter and lighter than:
(a) water
(b) heat
(c) air
(d) none of these
Answer: (c) air
Q7. Cyclones can be
(a) destructive
(b) useful
(c) both (a) and (b)
(d) none of these
Answer: (a) destructive
Q8. The eye of storm is a
(a) Heavy rain area
(b) Calm area
(c) Highly active area
(d) High velocity storm area
Answer: (b) Calm area
Q9. The India Meteorological department forecasts cyclones with the help of:
(a) Rohini satellite
(b) Aryabhatta satellite
(c) INSAT satellite
(d) None of these
Answer:(c) INSAT satellite
Q10. Wind currents are generated due to
(a) uneven heating on the earth
(b) even heating on the earth
(c) cooling on the earth
(d) none of these
Answer: (a) uneven heating on the earth
Q11. What is an anemometer?
(a) A device for measuring atmospheric pressure
(b) A device for measuring wind speed
(c) A device for measuring atmospheric temperature
(d) A device for measuring humidity
Answer: (b) A device for measuring wind speed
Q12. The heated air that rises up gets cooled and sinks which cause the:
(a) conduction currents
(b) radiation
(c) convection currents
(d) none of these
Answer: (c) convection currents
Q13. Hurricane is the name of cyclone in
(a) American continent
(b) Japan
(c) Both (a) and (b)
(d) None of these
Answer: (a) American continent
Q14. For escape of hot air room has
(a) Ventilators
(b) Windows
(c) High walls
(d) Doors
Q15. A natural hazard causing destruction is called a:
(a) natural disaster
(b) cyclone
(c) thunderstorm
(d) none of these
Answer: (a) natural disaster
Q16. Tornado reaches
(a) from the oceans to the plane
(b) from the ground to the sky
(c) from the sky to the ground
(d) none of these
Answer: (c) from the sky to the ground
Q17. Reduced air pressure cause
(a) Heavy rain
(b) Decreased wind speed
(c) Increased wind speed
(d) Bright sun light
Answer: (c) Increased wind speed
Q18. Who among the following was the first to observe that whenever air moves its pressure drop ?
(a) Galileo
(b) Bernoulli
(c) Newton
(d) Guericpe
Answer: (b) Bernoulli
Q19. A violent tornado can travel at a speed of about
(a) 300 km/h
(b) 100 km/h
(c) 50 km/h
(d) 150 km/h
Q20. Wind air is generated due to
(a) Even heating of earth
(b) Cooling down of earth
(c) Uneven heating of earth
(d) Condensation of hot air
Answer: (c) Uneven heating of earth
