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question_answer1) Which one of the following is a major pollutant which causes air pollution?
question_answer2) The depletion of oxygen due to excessive plant growth by the enrichment of nutrients in water is:
question_answer3) Substances that decay naturally are called:
question_answer4) Which one of the following methods can be used to remove larger particles of solid impurities from water?
question_answer5) Which one of the following statements is correct? Statement 1: The oxides of nitrogen react with water to form sulphuric acid. Statement 2: The oxides of sulphur react with water to form sulphuric acid.
question_answer6) Which one of the following is a source of water pollution?
question_answer7) _____ is added to water to separate the smaller particles from water by making them heavier in the process of loading.
question_answer8) Increasing concentration of toxic substances in the tissues of organisms at successively higher levels in a food chain is:
question_answer9) Which of the following has the highest affinity for hemoglobin present in blood?
question_answer10) A structure made of glass walls and roof in which the plants that need protection from cold weather are grown is known as:
question_answer11) Incomplete burning of petrol and diesel in vehicles leads to form which gas?
question_answer12) The pollution which is caused by poor disposal of solid waste is classified as:
question_answer13) Water fit for drinking is known as:
question_answer14) The heating up of the earth's atmosphere due to the trapping of sun's heat rays by green house gases in the atmosphere is called:
question_answer15) What is the harmful effect of the depletion of earth's ozone layer?
question_answer16) Most part of the ozone layer is found in:
question_answer17) ____ is a measure of the quantity of oxygen used by biological organisms to break down organic material present in a given water sample.
question_answer18) ____ is a filtration device that remove particles of solids from waste gases using the force of an induced electrostatic charge.
question_answer19) Van Mahotsav is celebrated in India in the month of:
question_answer20) Which one of the following is not considered as a pollutant unless present in excess concentration?
question_answer21) Conservation of water cannot be done by:
question_answer22) Which one of the following is not a consequence of global warming?
question_answer23) Which one of the following damages is caused by acid rain?
question_answer24) Which of the following is not a source of air pollution?
question_answer25) In which of the following methods impure water is passed through a semipermeable membrane to remove impurities?
question_answer26) Which one of the following statements is correct? Statement 1: Sulphur dioxide gas in the polluted air causes respiratory problems. Statement 2: Sulphur dioxide gas in the polluted air produces acid rain.
question_answer27) Which of the following is not a greenhouse gas?
question_answer28) Gas present in air in about 78% by volume is:
question_answer29) Which of the following is responsible for the depletion of ozone layer which protects us from harmful ultraviolet radiations?
question_answer30) Acid rain is formed due to contribution of which of the following pair of gases:
question_answer31) Kyoto Protocol is an:
question_answer32) According to world wide fund for nature, which river is one of the ten most endangered rivers in the world?
question_answer33) Which one of the following diseases occurs due to water pollution?
question_answer34) Marble cancer means:
question_answer35) Which of the following gases is primarily responsible for the global warming?
question_answer36) Which one of the following is a natural source of pollution?
question_answer37) Which of the following is a kind of land pollution in which land becomes unsuitable for farming due to rise in salt content?
question_answer38) The layer of atmosphere which absorbs the ultraviolet rays coming from sun is:
question_answer39) The mixture of organic substances obtained from vegetable and animal wastes decomposed by microbes is called:
question_answer40) Industrial waste does not include:
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