Previous year MCQs

Environment & Ecology UPPSC 2015 GS-I
Question

Which of the following is not correct about ecosystem?

Answer & Solution

Answer: (Detailed Solution Below)

Option C: It is a closed system.

Detailed Solution:

The correct answer is “It is a closed system.”.
Ecosystems are dynamic and interconnected with the larger environment, and they are not isolated or closed off from external influences.

Similar Questions:

The country most ravaged by the Tsunami fury was:
  1. A) Australia
  2. B) India
  3. C) Indonesia
  4. D) Thailand
Match List-I with List-II and choose the correct answer using the codes given below the lists:
List-I - List-II
(Biosphere Reserve) - (State)

A. Simlipal - 1. Kerala
B. Nokrek - 2. Odisha
C. Agasthyamalai - 3. Assam
D. Manas - 4. Meghalaya

Codes:
A B C D
  1. A) 1 2 4 3
  2. B) 3 1 4 2
  3. C) 2 4 3 1
  4. D) 2 4 1 3
As reported in the journal "Tectonophysics" in March 2015, the world's largest known asteroid impact zone is located in:
  1. A) Africa
  2. B) South America
  3. C) Australia
  4. D) North America
Assertion (A): Deserts can be potential source for generating sustainable energy.
Reason (R): Deserts receive more energy from the sun in six hours than mankind consumes in a year.
Select The correct answer from the codes given below:
  1. A) Both (A) and (R) are true, and (R) is the correct explanation of (A).
  2. B) Both (A) and (R) are true, but (R) is not the correct explanation of (A).
  3. C) (A) is true, but (R) is false.
  4. D) (A) is false, but (R) is true.
Which one of the following environments gives the least bio-mass production per year?
  1. A) Deep Sea
  2. B) Prairie
  3. C) Deciduous forest
  4. D) Taiga
Lichens are the best indicator of
  1. A) Air pollution
  2. B) Water pollution
  3. C) Soil pollution
  4. D) Noise pollution
The main objective of sustainable tourism is:
  1. A) To increase the number of tourists
  2. B) To manage mass scale tourism and small scale travel
  3. C) To manage tourism and environment while maintaining cultural integrity and ecological processes
  4. D) None of the above
Which of the following is not a sustainable development goal targeted to be achieved by 2030?
  1. A) Gender Equality
  2. B) Good health and well being
  3. C) Zero Hunger
  4. D) Space Research
Match List-I and List-II and select the correct answer from the code given below:
List – I List – II
(Lakes) (Location)

A. Ashtamudi 1. Haryana
B. Pulicat 2. Kerala
C. Roopkund 3. Tamil Nadu
D. Surajkund 4. Uttarakhand
Codes:
A B C D
  1. A) 3 2 1 4
  2. B) 2 3 4 1
  3. C) 4 2 3 1
  4. D) 1 4 2 3
Under which one of the following Articles, the procedure for removal of the President of India through the process of impeachment has been laid down?
  1. A) Article-53
  2. B) Article-61
  3. C) Article-74
  4. D) Article-13
Which one of the following is the most effective factor of coral bleaching?
  1. A) Marine pollution
  2. B) Increase of salinity of seas
  3. C) Rise in normal temperature of sea-water
  4. D) Outbreak of diseases and epidemics
Which of the following is not a biodegradable polluter?
  1. A) Domestic waste
  2. B) Faecal matter
  3. C) Urine
  4. D) Pesticide