A. Pollutants in air
B. Use of detergents
C. Water pollution
D. Depletion of O3 layer
Related Mcqs:
- A minima rotation worth the name is specified which corresponds to the age at which the trees reach the exploitable size which is usually 120 years, but is 150 years for the deodar, fir and kail in the moist zone of Kaghan 200 years for the ry zone of ______
A. Swat
B. Naran
C. Kaghan
D. None of these - Thick clouds of smoke containing soot and other particles coming out of the factories cause health problems for nearby people. Such as irritation of eyes and:
A. Heart diseases
B. Gastric diseases
C. Kidney trouble
D. None of these - The air pollution caused by phosphate fertilizer factories is due to:The air pollution caused by phosphate fertilizer factories is due to:
A. Phosphene
B. SiF4
C. Dust
D. Halogens - Sometimes sound and uninjured seeds may fail to germinate due to reduced activity of the seed or seed parts resulting in blockade of the growth. This may be due to:
A. External effects of environment
B. Internal conditions within the plant itself, i.e. Embryo dormancy or seed coat dormancy
C. Both (a) & (b)
D. None of these - The unclassified area which constituted more than ____ of the total area at the time of independence, in due course of time, has dropped to the present level due to extension in the land use:
A. 40%
B. 50%
C. 60%
D. 70% - Common indicator organism of water pollution is:
A. Eichhornia crassipes
B. Escherichia coli
C. Entamoeba histolytica
D. Lemna pancicostata - Photochemical smog is related to the pollution of:
A. Soil
B. Water
C. Noise
D. Air - The common methods of spacing in regular plantations are:
A. Line
B. Square
C. Triangular
D. Quincunx
E. All of the above - The most common method used for cultivation on hills:
A. Levelling
B. Ridge terracing
C. Bench terracing
D. Channel terracing - Watershed’ is preferred in U.S. Literature, and ‘Catchment’ is more common in _______ terminology:
A. English
B. German
C. Both (a) & (b)
D. None of these
The correct answer to the question: "In coming years, skin related disorders will be more common due to:" is "Depletion of O3 layer".