Environmental Ecology UPSC Questions

Environmental Ecology MCQ Questions

7.
A team of scientists at Brookhaven National Laboratory including those from India created the heaviest anti-matter (anti-helium nucleus). What is / are the implication/implications of the creation of anti-matter?
1. It will make mineral prospecting and oil exploration easier and cheaper.
2. It will help probe the possibility of the existence of stars and galaxies made of anti-matter.
3. It will help us understand the evolution of the universe. Select the correct answer using the codes given below:
UPSC - 2012
A.
1 only
B.
2 and 3 only
C.
3 only
D.
1, 2 and 3
ANSWER :
B. 2 and 3 only
8.
Which of the following is/are cited by the scientists as evidence/evidences for the continued expansion of the universe?
1. Detection of microwaves in space
2. Observation of redshift phenomenon in space
3. Moment of asteroids in space 4. Occurrence of supernova explosions in space
select the correct answer using the codes given below:
UPSC - 2012
A.
1 and 2
B.
2 only
C.
1, 3 and 4
D.
None of the above can be cited as evidence
ANSWER :
A. 1 and 2
9.
With reference to the National Rural Health Mission, which of the following are the jobs of 'ASHA' , a trained community health worker?
1. Accompanying women to the health facility for antenatal care check-ups
2. Using pregnancy test kits for early detection of pregnancy
3. Providing information on nutrition and immunization
4. Conducting the delivery of the baby Select the correct answer using the codes given below:
UPSC - 2012
A.
1, 2 and 3 only
B.
2 and 4 only
C.
1 and 3 only
D.
1, 2, 3 and 4
ANSWER :
A. 1, 2 and 3 only
10.
Which one of the following sets of elements was primarily responsible for the origin of life on the Earth?
UPSC - 2012
A.
Hydrogen, Oxygen, Sodium
B.
Carbon, Hydrogen, Nitrogen
C.
Oxygen, Calcium, Phosphorus
D.
Carbon, Hydrogen, Potassium
ANSWER :
B. Carbon, Hydrogen, Nitrogen
11.
A person stood alone in a desert on a dark night and wanted to reach his village which was situated 5km east of the point where he was standing. He had no instruments to find the direction but he located the polestar. The most convenient way now to reach his village is to walk in the
UPSC - 2012
A.
direction facing the polestar
B.
direction opposite to the polestar
C.
direction keeping the polestar to his left
D.
direction keeping the polestar to his right
ANSWER :
C. direction keeping the polestar to his left
12.
Recombinant DNA technology (Genetic Engineering) allows genes to be transferred
1. across different species of plants
2. from animals to plants
3. from microorganisms to higher organisms
Select the correct answer using the codes given below:
UPSC - 2013
A.
1 only
B.
2 and 3 only
C.
1 and 3 only
D.
1, 2 and 3
ANSWER :
D. 1, 2 and 3