Previous year MCQs

Environment & Ecology UPPSC 2016 GS-I
Question

Which one of the following is an artificial ecosystem?

Answer & Solution

Answer: (Detailed Solution Below)

Option A: Rice field

Detailed Solution:

The correct answer is “Rice field”.
Rice field is an artificial ecosystem. It is created and maintained by humans for the purpose of agriculture, and its components, such as the plants, soil, water, and nutrients, are carefully managed to maximize productivity.

Similar Questions:

National Dairy Research Institute is established at:
  1. A) Karnal
  2. B) Hisar
  3. C) Anand
  4. D) Jaipur
Which one of the following is an artificial ecosystem?
  1. A) Rice field
  2. B) Forest
  3. C) Grassland
  4. D) Lake
Which of the following metals pollute the air of a city, having a very large number of automobiles?
  1. A) Cadmium
  2. B) Chromium
  3. C) Lead
  4. D) Copper
Which of the following is not a biodegradable polluter?
  1. A) Domestic waste
  2. B) Faecal matter
  3. C) Urine
  4. D) Pesticide
Which of the following statements are true for bionomics? Select the correct answer from the codes given below:

A. It literally means 'management of life'
B. It is a synonym for ecology
C. It stresses on the value of natural system which influence human systems

Codes:
  1. A) A is correct
  2. B) A and B are correct
  3. C) B and C are correct
  4. D) All are correct
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.
'Green Index' has been developed by:
  1. A) United Nation Environment Programme
  2. B) International Monetary Fund (IMF)
  3. C) World Bank
  4. D) None of the above
Methane gas producing field is:
  1. A) Wheat field
  2. B) Paddy field
  3. C) Cotton field
  4. D) Groundnut field
Which community has the lowest sex ratio in India as disclosed in the additional data pertaining to Census 2011 released recently?
  1. A) Buddhist
  2. B) Sikh
  3. C) Jain
  4. D) Muslim
Among the following Union Territories the female Literacy is highest according to Census 2011
  1. A) Poducherry
  2. B) Chandigarh
  3. C) Daman and Diu
  4. D) Lakshdweep
Dachigam National Park is associated with which of the following?
  1. A) Musk Deer
  2. B) Golden Oriole
  3. C) Yellow-throated Marten
  4. D) Hangul or Kashmir Stag
The UNESCO has given international recognition to

A) Nilgiri Biosphere
B) Nanda Devi Biosphere
C) Manas Biosphere
D) Simlipal Biosphere

Select the correct answer from the following code:
Codes:
  1. A) 1 and 2
  2. B) 2 and 4
  3. C) 1, 2 and 4
  4. D) 1, 2, 3, 4