Environmental Chemistry NEET MCQ. We covered all the Environmental Chemistry NEET MCQ in this post for free so that you can practice well for the exam.
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Mock Test on Environmental Chemistry for Students
Which one of the following is the most appropriate and correct practice from the point of view of a healthy environment?
(a) Burning of plastic wastes to keep the environment clean.
(b) Burning of dry fallen leaves in a garden or field
(c) Treatment of domestic sewage before its release.
(d) Use of chemical fertilizers in agricultural fields.
Option c – Treatment of domestic sewage before its release
To meet its rapidly growing energy demand, some opinion that India should pursue research and development on thorium as the future fuel of nuclear energy. In this context, what advantage does thorium hold over uranium? I. Thorium is far more abundant in nature than uranium. II. On the basis of per unit mass of mined mineral, thorium can generate more energy compared to natural uranium. III. Thorium produces less harmful waste compared to uranium. Which of the statements given above is/are correct?
(a) Only I
(b) II and III
(c) I and III
(d) I, II and III
Option d – I, II and III
Which of the following is/are the correct method to produce electricity from garbage?
(a) Garbage is burnt in the open air.
(b) Garbage is cultured with bacteria and produces methane.
(c) Garbage is put in an electrolytic cell.
(d) Both (b) and (c)
Option b – Garbage is cultured with bacteria and produces methane
Which of the following recycling are the disassembly and separation of components and raw materials of electronics?
(a) Computer recycling
(b) electronic recycling
(c) Both (a) and (b)
(d) None of the above
Option c – Both (a) and (b)
The Nobel prize in Green Chemistry is not associated with
(a) R Williamson
(b) Yves Chauvin
(c) Robert H, Grubbs
(d) Richard R, Schrock
Option a – R Williamson
Green Chemistry means
(a) the use of green vegetables in synthesis.
(b) the use of chemicals with green color.
(c) use of very fast reactions.
(d) use of environmentally bengin methods to synthesize compounds.
Option d – use of environmentally bengin methods to synthesize compounds
With reference to Eutrophication, which of the following statements is/are correct? I. It is a phenomenon of nutrient enrichment of a water body. II. It depletes the dissolved oxygen in the water. Select the correct answer using the codes given below Codes
(a) Only I
(b) Only Il
(c) Both I and II
(d) Neither I nor II
Option c – Both I and II
Pesticides and herbicides are the main sources of
(a) water pollution
(b) air pollution
(c) soil pollution
(d) None of the above
Option c – soil pollution
Which of the following is/are example(s) of herbicides?
(a) Sodium chlorate
(b) Sodium arsenite
(c) Potassium Manganate
(d) Both (a) and (b)
Option d – Both (a) and (b)
The Chornobyl disaster is the result of pollution by
(a) an Oil spill
(b) Acid rain
(c) Carbon dioxide
(d) Radioactive waste
Option d – Radioactive waste
Which of the following caused radioactive pollution along the coast of Kerala?
(a) Plutonium
(b) Zinc
(c) Thorium
(d) Radium
Option c – Thorium
Which one of the following is not a ‘Greenhouse gas’?
(a) Chlorofluorocarbons
(b) Methane
(c) Carbon dioxide
(d) Nitrogen
Option d – Nitrogen
Which one of the following Greenhouse gases is in the largest concentration in the atmosphere?
(a) Chlorofluorocarbon
(b) Nitrous oxide
(c) Carbon dioxide
(d) Methane
Option c – Carbon dioxide
Which one of the following groups of gases contributes to the ‘Green House Effect’?
(a) Carbon dioxide and Methane
(b) Ammonia and Ozone
(c) Carbon monoxide and Sulphur dioxide
(d) Carbon tetrafluoride and Nitrous oxide
Option a – Carbon dioxide and Methane
Which one of the following statements about temperature is correct?
(a) Temperature decreases with height in the stratosphere.
(b) Temperature is constant at different heights in the stratosphere.
(c) Temperature increases with height in the troposphere at an average rate of 6.5°C per km.
(d) Temperature decreases with height in the troposphere at an average rate of 6.4° C per km.
Option d – Temperature decreases with height in the troposphere at an average rate of 6.4° C per km
Which of the following are hazardous to the environment because they deplete the ozone layer leading to the formation of an ozone hole?
(a) CO₂
(b) Cl₂
(c) CFCs
(d) O3
Option c – CFCs
………. is a by-product of sewage treatment and can be decomposed to produce biogas.
(a) Sewage
(b) Sludge
(c) Sewer
(d) Scum
Option b – Sludge
Sullage water is …….
(a) wastewater released from the kitchen.
(b) wastewater released from toilets.
(c) wastewater released from factories.
(d) wastewater released from hospitals.
Option a – wastewater released from the kitchen
Which disinfectant cannot be used in drinking water?
(a) Potassium permanganate
(b) Bleaching powder
(c) Phenol
(d) Chlorine
Option c – Phenol
Physico-chemical characteristics of water in water sources undergo changes due to
(a) Aquatic macrophytes
(b) Aquatic fungi
(c) Effluents
(d) Evapotranspiration
Option c – Effluents
Eutrophication of the water body results from
(a) submersing idols in the water body.
(b) depletion of oxygen.
(c) enhanced growth of algae or algal blooms.
(d) high amounts of nitrogenous nutrients and orthophosphates.
Option d – high amounts of nitrogenous nutrients and orthophosphates
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