Environmental Science MCQs

✅ The correct answer is option A.
When it is January and winter in the Northern Hemisphere, it is January and summer in the Southern Hemisphere.

✅ The correct answer is option A.
One of the most intensive conservation efforts in India, Project Tiger was launched in 1973. It envisaged the setting up of tiger reserves to help in maintaining the population of tigers. As per estimates, the number of tigers was about 40,000 at the beginning of the 20th century.

✅ The correct answer is option D.
all of the above

✅ The correct answer is option C.
The Beej Bachao Movement also known as the Beej Bachao Andolan or BBA was started in Jardhargaon in Tehri Garhwal to conserve and promote indigenous seeds and agricultural practices. It has its roots in the Chipko Movement.

✅ The correct answer is option E.
At 105o F the earth would be radiating energy at the greatest rate or intensity.

✅ The correct answer is option A.
From the given options, the closest option is 33% for plains and 67% for hills.However, there have been many reports that suggest that according to the National Forest Policy (1988), an overall of 33% of the total geographical area of a country should be under forest/tree cover with 66 percent in the hills and 20 percent in the plains.

✅ The correct answer is option C.
A carcinogen is any substance, radionuclide, or radiation that promotes carcinogenesis, the formation of cancer. This may be due to the ability to damage the genome or to the disruption of cellular metabolic processes.

✅ The correct answer is option B.
Under this system, the Fahrenheit scale is redefined slightly so that the freezing point of water is exactly 32 °F, and the boiling point is exactly 212 °F or 180 degrees higher.

✅ The correct answer is option A.
As the air temperature increases, with no addition of water vapor to the air, the dew point will remain the same.

✅ The correct answer is option A.
The areas where soil is washed away into streams, transported into rivers and finally lost to the sea are called ecologically sensitive areas.