Previous year MCQs

UPPSC 2012 GS-1 Environment & Ecology
Question

Lichens are the best indicator of

Answer & Solution

Answer: (Detailed Solution Below)

Option A: Air pollution

Detailed Solution:

The correct answer is “Air pollution”.
Lichens are well known as sensitive indicators of air pollution, particularly sulfur dioxide.

Similar Questions:

Which of the following is known as "the Continent of Birds"?
  1. A) Europe
  2. B) Australia
  3. C) South America
  4. D) Asia
'Vegetation is the true index of climate'. This statement is associated with:
  1. A) Thornthwaite
  2. B) Koppen
  3. C) Trewartha
  4. D) Stamp
The United Nations Convention on Climate Change ratified by more tha 150 countries became effective on
  1. A) March 21, 1994
  2. B) May 21, 1995
  3. C) June 21, 1996
  4. D) June 21, 1999
The symbol "ECOMARC" is related to which of the following ?
  1. A) Goods of best quality
  2. B) Safe goods for environment
  3. C) Exported goods
  4. D) Imported goods
Which one of the following is not correctly matched?
  1. A) Centre for Ecological Sciences (CES)- Bengaluru
  2. B) Wildlife Institute of India – Dehradun
  3. C) Indian Institute of Forest Management – Kolkata
  4. D) GB Pant Institute of Himalayan Environment and Development – Almora
Which one of the following is the main area for producing "Tidal Energy"
  1. A) Gulf of Bengal
  2. B) Gulf of Mannar
  3. C) Gulf of Khambhat (Cambay)
  4. D) Gulf of Kutch
Given below are two statements, one is labelled as Assertion (A) and other as Reason (R) :

Assertion (A) : Various components of an ecosystem are not interdependent,
Reason (R) : Human activities have an impact on the environment.
  1. A) Both (A) and (R) are true and (R) is correct explanation of (A)
  2. B) Both (A) and (R) are true, but (R) is not correct explanation of (A)
  3. C) (A) is true, but (R) is false
  4. D) (A) is false, but (R) is true
Kaziranga is known for
  1. A) Rhinoceros
  2. B) Tiger
  3. C) Birds
  4. D) Lion
The joint sitting of the House of People and the Council of States is summoned by
  1. A) The President
  2. B) Speaker of Lok Sabha
  3. C) Parliament
  4. D) Chairman of Rajya Sabha
A BOD in a water body, the excess of BOD indicates that its water is:
  1. A) Gaining minerals
  2. B) Getting gaseous
  3. C) Is polluted with sewage
  4. D) Atrophic
Man-made pollutants are called a
  1. A) Xenobiotics
  2. B) Antibiotics
  3. C) Humalins
  4. D) Analgesics
Which of the following is not correctly matched:
  1. A) autotroph–producer
  2. B) heterotroph–consumer
  3. C) saprotroph–decomposer
  4. D) herbivore–secondary consumer