ATMOSPHERE MCQS SET 23

ATMOSPHERE MCQS SET 23

221) A layer in the Earth's atmosphere called lonosphere facilitates radio communication. Why?
1. The presence of ozone causes the reflection of radio waves to Earth.
2. Radio waves have a very long wavelength.
Which of the statements given above is fare correct?
A) 1 only
B) 2 only
C) Both 1 and 2
D) Neither 1 nor 2

Answer: Neither 1 nor 2
   
222) Which of the following is not climate of a region?
A) Perennial rivers
B) Latitude
C) Ocean currents
D) Elevation

Answer: Perennial rivers
   
223) World Environment Day is observed on:
A) 5/5/2018
B) 6/5/2018
C) 8/21/2018
D) 10/14/2018

Answer: 6/5/2018
   
224) Acid rains occur when atmosphere is heavily polluted with:
A) CO, CO2
B) Smoke particles
C) Ozone
D) SO2 and NO2

Answer: SO2 and NO2

   
225) Which of the following is a wrong statement?
A) ozone in the upper part of atmosphere is harmful to animals
B) most of the forests have been lost in tropical areas
C) greenhouse effect is a natural phenomenon
D) eutrophication is a natural phenomena in freshwater bodies

Answer: ozone in the upper part of atmosphere is harmful to animals

226) In an area where DDT had been used extensively, the population of birds declined significantly because:
A) birds stopped laying eggs
B) earthworms in the area got eradicated
C) many of the birds eggs laid, did not hatch
D) cobras were feeding exclusively on birds

Answer: many of the birds eggs laid, did not hatch
   
227) Find the wrong match.
A) Basal Convention - Biodiversity Conservation
B) Montreal Protocol - Global Warming
C) Kyoto Protocol - Climatic change
D) Ramsar Convention - Ground water pollution

Answer: Kyoto Protocol - Climatic change
   
228) The slow rate of decomposition of fallen logs in nature is due to their:
A) low moisture content
B) poor nitrogen content
C) low cellulose content
D) anaerobic environment around them

Answer: poor nitrogen content