Previous year MCQs

Environment & Ecology UPPSC 2015 GS-I
Question

Which of the following is the most significant factor in coral bleaching?

Answer & Solution

Answer: (Detailed Solution Below)

Option D: Global warming

Detailed Solution:

The correct answer is “Global warming ”.
Rising ocean temperatures due to global warming are the primary cause of coral bleaching events.

Similar Questions:

Consider the following statements:

Assertion (A): LPG is a pollution free vehicular fuel.
Reason (R): Plying of CNG fuelled buses is recommended for metropolitan cities of India.

Select the correct answer using the code given below:
Code:
  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
The"Agenda—21" of RioSummit,1992 is related to-
  1. A) Sustainable development
  2. B) Polluter—Pays principle
  3. C) Preservation of ozone layer
  4. D) Environmental education
Which of the following Fundamental Rights under the Constitution is guaranteed only to the citizens of India and not to foreigners living in India?
  1. A) Equality before law
  2. B) Freedom of speech and expression
  3. C) Protection of life and personal liberty
  4. D) Free practice of religion
Which of the following rivers is called "biological desert" on account of its pollutants?
  1. A) Yamuna
  2. B) Periyar
  3. C) Damodar
  4. D) Mahanadi
Which of the following is used in Genetic-Engineering?
  1. A) Plastid
  2. B) Plasmid
  3. C) Mitochondria
  4. D) Ribosome
Which one of the following is not correctly matched ?
  1. A) Rajaji National Park: Elephant
  2. B) Periyar National Park: Hangul
  3. C) Manas National Park: Elephant
  4. D) Dudhwa National Park: Tiger
The aquatic plant commonly used as bio fertilizer in the water-logged rice field is -
  1. A) Lemna
  2. B) Wolfia
  3. C) Azolla
  4. D) Trapa
Match List-I with List-II and select the correct answer using the codes given below:
List-I (Emperor) - List-II (Titles)

A. Ashoka - 1. Parakramank
B. Samudragupta - 2. Priyadarsin
C. Chandragupta-II - 3. Kramaditya
D. Skandgupta - 4. Vikramaditya

Codes:
  1. A) 1 2 3 4
  2. B) 3 2 1 4
  3. C) 2 1 4 3
  4. D) 4 3 2 1
How many companies are included in BSE-GREENEX?
  1. A) 25
  2. B) 40
  3. C) 50
  4. D) 100
Study the following statements and select the correct answer from the code given below:

Assertion (A): The State Election Commission is a constitutional authority.
Reason (R): Elections to rural local bodies are overseen by the Election Commission of India.

Codes:
  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 the correct explanation of (A)
  3. C) (A) is false, but (R) is true
  4. D) (A) is true, but (R) is false
Arrange the following events in chronological order of their commencement and select correct answer from the codes given below:

I. Wild Life (Protection) Act
II. Biological Diversity Act
III. Project Tiger
IV. Project Elephant

Codes:
  1. A) I, II, III, IV
  2. B) I, III, IV, II
  3. C) II, III, IV, I
  4. D) II, III, I, IV
In a food chain, man is:
  1. A) producer
  2. B) only primary consumer
  3. C) only secondary consumer
  4. D) primary as well as secondary consumer