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The Escherichia cells in a human excreta number in:
Related MCQs
Prolonged liberal irrigation of agricultural fields is likely to create the problem of:
Pollution is:
Which of the following is generally used for induced mutagenesis in crop plants?
The percentage of water found in oceans is:
Greenhouse effect refers to:
PAN stands for:
The sea water gets pollution mainly due to:
Which of the following air pollutant is carcinogenic?
The pollutants like phenol, Na and Hg can be removed from water by technique/s such as:
The CFC pollution sources include:
The lowest temperature in the atmosphere is recorded at:
Atmospheric pollution is also caused by the gas:
The photochemical smog is also called:
What immediate hazard is likely to occur if the temperature of the earth rises by 5?C?
The classical smog mainly contains:
The automobile emission can be reduced by adding the following in the petrol:
The photochemical smog appears:
The river Periyar gets pollution mainly from:
The PAN blocks:
The Minamata disease was first detected in:
The plants of tobacco and tomato are sensitive to:
The zone of atmosphere that lies near the ground is:
It is thought that the concentration of CO2 in the year 1890 was around:
The atmospheric UV radiations are absorbed in the zone called:
It is thought that the concentration of CO2 by the year 2040 shall reach:
The classical smog was first observed in the year:
The term ‘Bio-magnification’ refers to the:
The photochemical smog was first seen in the year:
The soil pollution is caused as the industrial furnaces throw:
Nitrogen oxides produced from the emission of automobiles and power plants, are the source of fine air borne particles which lead to:
The beauty of Taj Mahal is endangered due to:
Sonic booms’ refer to:
The ‘blue baby syndrome’ is caused due to pollution by:
Keeping the frequency of nuclear tests, it is estimated that on an average the five nuclear powers conducted nuclear tests at the rate of:
Which of the following plants shows insecticidal properties
The following radioactive isotopes are formed by nuclear fission:
Common indicator organism of water pollution is:
Through food chain radioactive Sr (Sr90) is deposited in which part of human body?
It is moderately quiet between:
The noise created at the launching of space rocket measures around:
The waste of steel factories is rich in:
The noise level of London is around:
In 1970, several people died in Japan due to pollution of:
To check sonic booms, control should be exerted over:
Mark the plant showing insecticidal properties:
The first nuclear explosion was conducted by USA in:
Maximum noise pollution in residential areas is due to:
The radioactive fall out contaminates:
A major component of gobar gas is:
A lake with an inflow of domestic sewage rich in organic waste may result in:
The first nuclear explosion over the city of Hiroshima took place in 1945 on:
The Escherichia cells in a human excreta number in:
A. Thousands
B. Hundreds
C. Billion
D. Millions
Correct Answer:
Billion
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Last Updated:
May 23, 2024