UGC NET Paper 1 — Environmental Science
887 questions across 12 years
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16 questions shown from 2018.
One of the following has a positive human influence on the environment:
In the two sets given below, set-I specifies level in a water sample, while set - II provides observations. Match the two sets and indicate your answer from the code given below. S...
The two major processes involved in the carbon cycle are:
Which of the following gases initiates a chain reaction that breaks-down ozone in the upper atmosphere?
Assertion "A": The ecosystem surrounding a river gets damaged due to construction of a dam. Reason "R": The area gets inundated with large volume of water. Choose the correct code:
International Drinking Water Supply and Sanitation Decade (IDWSSD) was observed between:
High level lead (Pb) exposures in humans through inhalations or food consumption may cause: (a) Mental retardation (b) High blood pressure (c) Disorder of central nervous system Se...
Consider the following statements: (a) The radiation reflected back to the atmosphere is called albedo. (b) The atmosphere is essential in maintaining the heat balance of the body....
Assertion “A”: The environmental impact of soil erosion can best be mitigated by removing vegetative cover only from the specific site on which construction is to take place. Reaso...
Following are two sets of items. Set-I lists different types of washes, while Set-II indicates method of their disposal. Match the two sets and given your answer from the code give...
Assertion "A": Environmental and social impact assessments never overlap with each other. Reason "R": Environmental and social impact assessments are effectively opposite ends of t...
What is the long term effect of cutting down larger areas of rain forests?
In the scheme of life, soil is an essential resource of life, as it plays the following roles. (a) It is a reservoir of carbon. (b) It is the medium for growth of food and energy f...
Assertion "A": Natural gas is a very attractive eco-friendly fuel. Reason "R": It produces few pollutants and less carbon dioxide per unit energy than any other fossil fuel on comb...
Plants suitable for biomonitoring of Sulphur Dioxide pollution are:
Recent study showed that, River Ganga will not flow cleaner in the near future. Which of the following reasons is false?