1. The environmental pollution is caused by –
A. rapid increase in population
B. rapid urbanization
C. rapid industrialization
D. all of the above
2. Urban sewage discharge and industrial effluents are the main cause of –
A. air pollution
B. land pollution
C. water pollution
D. none of these
3. Global warming during winter becomes more pronounced at the –
A. equator
B. poles
C. tropic of Capricorn
D. tropic of cancer
4. Tsunami occurs due to –
A. mild earthquakes and landslides in the oceans
B. strong earthquakes and landslides in the oceans
C. strong earthquakes and landslides in mountains
D. strong earthquakes and landslides in deserts
5. Sea level risk results primarily due to –
A. heavy rainfall
B. melting of glaciers
C. submarine volcanism
D. seafloor spreading
6. Which planets are known as “Brother Planets”?
A. Uranus-Neptune
B. Venus-Mars
C. Mars-Mercury
D. Saturn-Pluto
7. What is the circumference of the earth on equator?
A. 40067 km
B. 40000 km
C. 50000 km
D. 38400 km
8. Most plants are present in-
A. Lithosphere
B. Atmosphere
C. Photosphere
D. Hydrosphere
9. The instrument used to measure humidity is called –
A. barometer
B. hygrometer
C. thermometer
D. anemometer
10. Which of the following is the smallest planet?
A. Venus
B. Neptune
C. Uranus
D. Mercury
