Previous year MCQs

Environment & Ecology UPPSC 2004 GS-I
Question

On increase of Percentage of carbon dioxide in the atmosphere, which one of the following will not happen?

Answer & Solution

Answer: (Detailed Solution Below)

Option C: Sea level will be lowered

Detailed Solution:

The correct answer is “Sea level will be lowered”.
The option that will not happen due to an increase in CO2 in the atmosphere is: (3) Sea level will be lowered

Similar Questions:

With reference to Eutrophication, which of the following statement(s) is/are correct ?

1) It decreases dissolved oxygen of water.
2) It is a phenomenon of nutrient enrichment of a water body.

Select the correct answer from the codes given below.
  1. A) 1 only
  2. B) 2 only
  3. C) Both 1 and 2
  4. D) Neither 1 nor 2
With reference to ecological niche, which of the following statements is/are correct?

1. It represents the range of conditions that it can tolerate the resources it utilizes and its functional role in ecological system.
2. Each species has a distinct niche.

Select the correct answer from the code given below :
Code:
  1. A) Neither 1 nor 2
  2. B) Both 1 and 2
  3. C) Only 2
  4. D) Only 1
Which of the following is considered to be the optimum concentration of carbon dioxide for natural balance in atmosphere?
  1. A) 0.02%
  2. B) 0.03%
  3. C) 0.04%
  4. D) 0.05%
The first US Rover which reached Mars in the year 2004 was:
  1. A) Opportunity
  2. B) Pathfinder
  3. C) Probe
  4. D) Spirit
Which of the following is NOT responsible for increase in the biodiversity of an ecosystem?
  1. A) Productivity of the ecosystem
  2. B) Intermediate-disturbance
  3. C) Age of the ecosystem
  4. D) Less number of tropic levels
The Environmental Kuznets Curve (EKC) shows the relationship between per capita GDP and environmental loss. What is the shape of Environmental Kuznets Curve?
  1. A) Inverted 'U' shaped
  2. B) Inverted 'V' shaped
  3. C) Onverted 'L' shaped
  4. D) None of these
Which one of the following is the First National Park established in India?
  1. A) Chandoli National Park
  2. B) Jim Corbett National Park
  3. C) Gir Forest National Park
  4. D) Dudhwa National Park
Which of the following is a correct statement?
  1. A) Energy flow in the biospheric ecosystem is unidirectional.
  2. B) Energy flow in the biospheric ecosystem is cyclic.
  3. C) Relative loss of energy in natural ecosystem decreases with increasing trophic levels.
  4. D) Species at progressively higher tropic levels appear to be less efficient in using available energy.
A species is considered to be extinct if it has been seen in its natural
  1. A) 15 years
  2. B) 25 years
  3. C) 40 years
  4. D) 50 years
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
Which of the following group of gases contribute to the "Green House Effect"?
  1. A) Ammonia and Ozone
  2. B) Carbon monoxide and Sulphur dioxide
  3. C) Carbon tetrafluoride and Nitrous oxide
  4. D) Carbon dioxide and Methane
The minimum forest cover to maintain ecological balance in the plains is:
  1. A) 50%
  2. B) 40%
  3. C) 33%
  4. D) 25%