UPPCS · Environment & Ecology · 84 questions
With reference to 'ozone layer', which of the following statements is/are correct ? 1. Ozone layer shields the surface of the earth from the ultra-violet radiations from the sun. 2. Ozone depletion has been linked to the chlorofluorocarbons. Select the correct answer from the code given below : Code :
What does the Intergovernmental Panel on Climate Change (IPCC) emphasize regarding reductions in greenhouse gas (GHG) emission ? 1. Gradual and limited reductions are enough. 2. Deep, rapid and sustained reductions are essential. Select the correct answer from the codes given below :
Given below are two statements, one is labelled as Assertion (A) and the other as Reason (R). Assertion (A) : CO2, SO2 and NO2 gases get dissolved in rain water and produce acid rain. Reason (R) : Atmospheric air is polluted due to high concentration of gases like carbon dioxide, sulphur dioxide and oxides of nitrogen. Select the correct answer from the codes given below :
What was India's rank in the world greenhouse gases emission in 2022?
Which of the following is not a biodegradable polluter?
Biological Oxygen Demand (BOD) is a standard criteria for -
When did the Water (Prevention and Control of Pollution) Act was enacted in which of the following year?
'Ozone layer' absorbing ultra - violet radiation exists in which of the atmospheric layer?
Dichloro-diphenyl-trichloroethane (DDT) is a _______
Photo chemical smog always contains
Which of the following material is bio-degradable ?
Which country has natural arsenic water contamination ?
On which date Ozone Day is observed ?
Which of the following is NOT a green house gas ?
In the context of permissible noise level match List – I with List – II and select the answer from the code given below the lists. List – I (Area): A. Residential area B. Silent zone C. Industrial area D. Commercial area List – II (Permissible Noise Level): 1. 50 db 2. 55 db 3. 65 db 4. 70 db Code : (A B C D)
The main purpose of 'Ganga Action Plan' project, launched in 1985, was
Which one of the following atmospheric changes takes place due to green house effect?
Which of the following are the primary causes of climate change? 1. Excessive burning of fossil fuels 2. Exploding numbers of automobiles driven by oil 3. Increasing solar flares 4. Heavy deforestation Select the correct answer using the code given below: Codes:
Which of the following fuels would produce minimum environmental pollution?
Which one of the following is not correctly matched? Green House Gas - Source
