Environmental Science MCQs

✅ The correct answer is option A.

✅ The correct answer is option C.
The Earth Summit of Rio de Janeiro, also known as the United Nations Conference on Environment and Development (UNCED), was held in Rio de Janeiro from 3 to 14 June 1992. It resulted in the Convention on Biodiversity, a multilateral treaty.

✅ The correct answer is option C.
The source of aerosol in upper atmosphere is jet planes.

✅ The correct answer is option C.
Mullaperiyar dam is on the Cardamom Hills of the Western Ghats in Thekkady, Idukki District of Kerala, South India.

✅ The correct answer is option C.
The strongest radiation inversions occur when skies are clear.

✅ The correct answer is option D.
All of these.

✅ 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.