Previous year MCQs

Environment & Ecology UPPSC 2014 GS-I
Question

Which one of the following is the largest ecosystem of the world ?

Answer & Solution

Answer: (Detailed Solution Below)

Option A: Ocean

Detailed Solution:

The correct answer is “Ocean”.
Oceans cover about 71% of the Earth's surface and contain a diverse range of marine life, making them the largest and most extensive ecosystems.

Similar Questions:

Match List-I with List-II and select the correct answer using the codes given below the lists:

National Parks States
A) Indravati 1) Jharkhand
B) Mollem 2) Haryana
C) Kalesar 3) Goa
D) Betla 4) Chhattisgarh
  1. A) 4, 3, 2, 1
  2. B) 4, 2, 3, 1
  3. C) 4, 1, 3, 2
  4. D) 3, 4, 2, 1
Which one of the following statements is true for synecology?
  1. A) It is study of individual species in relation to its environment
  2. B) It is a study of complex inter-relationship of biotic communities
  3. C) It is essentially habitat ecology
  4. D) It is mainly social ecology
Endangered species are listed in:
  1. A) Dead Stock Book
  2. B) Red Data Book
  3. C) Live Stock Book
  4. D) None of the above
As an ecosystem, wetlands are useful for which of the following?
  1. A) For nutrient recovery and cycling
  2. B) For releasing heavy metals through absorption by plants
  3. C) In reducing siltation of rivers by retaining sediments
  4. D) All the above
The solar energy plays the most important role in the:
  1. A) Carbon cycle
  2. B) Oxygen cycle
  3. C) Nitrogen cycle
  4. D) Water cycle
When did World Health Organisation officially declare the South-East Asia region Polio free?
  1. A) 27th March, 2014
  2. B) 28th March, 2014
  3. C) 29th March, 2014
  4. D) 30th March, 2014
Which one of the following cases propounded the concept of 'Basic structure' of the Indian Constitution?
  1. A) Indra Sauhney Case
  2. B) Shankari Prasad's Case
  3. C) Rudal Shah's Case
  4. D) None of the above
Match List - I with List - II and select the correct answer from the codes given below:
List - I - List - II

A. Growth in Food Production - 1. Green Revolution
B. Milk Production - 2. Blue Revolution
C. Fisheries - 3. White Revolution
D. Fertilizers - 4. Grey Revolution

Codes:
A B C D
  1. A) 1 3 2 4
  2. B) 3 1 4 2
  3. C) 2 4 3 1
  4. D) 3 2 4 1
World Ozone day is celebrated on:
  1. A) September,16
  2. B) April,21
  3. C) December, 25
  4. D) January, 30
During the 12th Five Year Plan, the growth rate of agriculture, forestry and fish farming has been estimated to be:
  1. A) 3.5%
  2. B) 4.0%
  3. C) 5.0%
  4. D) 5.5%
The 101st Indian Science Congress was held between 3rd and 7th February 2014 in:
  1. A) Hyderabad
  2. B) New Delhi
  3. C) Patna
  4. D) Jammu
Which of the following step is of paramount importance for living on the best of human population?
  1. A) Afforestation
  2. B) Stoppage of mining work
  3. C) Protection on wild goods
  4. D) Reduce the use of natural resources