The "greenhouse effect" refers to :

1.	The "greenhouse effect" refers to :
A.	Increasing agricultural yields
B.	Gradual warming of the earth's surface
C.	Build-up of toxic airborne pollutants
D.	Reduction in the earth's ozone layer
Answer» C. Build-up of toxic airborne pollutants

Discussion

No Comment Found

Related MCQs

In the context of ecosystem productivity marine upwelling zones are important as they increase the marine productivity by bringing the1. Decomposer micro - organisms to the surface2. Nutrient to the surface3. Bottom dwelling organisms to the surface Which of the statements given below are correct ?
Environmental friendliness of a vehicle could be measured by the amount of pollutants it emits per passenger per kilometre travelled. Rate the environmental friendliness (1=best & 4 = Worst) of the following vehicles as per this criterion :Car : scooter : bus : bicycle
In a mountaenous terrain, rich biodiversity is found in areas located at
Consider the following statements1. Biodiversity is normally greater in the lower latitudes as mountain gradients, biodiversity is normally greater in the lower altitudes as compared to the higher altitudes.Which of the statements given above is are correct ?
The Secretariat of the conventions on Biological Diversity, coordinating the International year of Biodiversity compaign was based in
Consider the following Statements :1. An increase in tropospheric oznoe concentration has a warming effect on earth 2. A decrease in stratospheric ozone concentration has a cooling effect on earthWhich of the above statements is/are true ?
Consider the following list of factors :1. Dispersal2. Rainfall3. Mineral deposits 4. Competition5. TemperatureWhich of the factors listed above are most significant in determining the fact that belts of vegetation at successively higher latitudes ?
Human activities in the recent past have caused the increased concentration of carbon dioxide in the atmosphere, bu a lot of it does not remain in the lower atmosphere because of1. Its escape into the outer strato-sphere.2. The photosynthesis by phyto-plankton in the oceans.3. The trapping of air in the polar ice caps.Which of the statements given above is / are correct ?
In the context of ecosystem productivity, marine upwelling zones are important as they increase the marine productivity by bringing the1. decomposer micro-organisms to the surface.2. nutrients to the surface.3 bottom-dwelling organisms to the surfaceWhich of the statements given above is/are correct ?
There is a concern over the increase in harmful algae blooms in the sea waters of India. What could be the causative factors for this phenomenon ?1. Discharge of nutrients from the estuaries.2. Run-off from the land during the monsoon.3. Upwelling in the seas.Select the correct answer from the codes given below

The "greenhouse effect" refers to :

Discussion

No Comment Found

Related MCQs

Reply to Comment