(c) If Assertion is true but Reason is false. biodegradable substance are those which decompose naturally left beneficial. (a) What are consumers? Empty plastic bottles can be reused. The power generation by the above two methods is non-polluting True/False. According to the Central Pollution Control Board, the diameter of particles that are responsible for causing great harm to human health is: a. Mark True or False 6. Burning of leaves produce harmless gases (T/F) 11. Biodegradable pollutants mean that a substance can be easily decomposed by naturally occurring agents such as oxygen, water, ultraviolet rays, microbes, acid rains, etc. ... 20.DDT is a (a) Biodegradable pollutant (c) Not a pollutant. but non biodegradable resources are the waste which do not decompose naturally. Sewage and agricultural waste are biodegradable waste. What is a photovoltaic cell? 7783647550433378923. TRUE : Although the effects of DDT on the environment were devastating, they have long since disappeared. • Farmers used DDT on a variety of food crops in the United States and worldwide. Assertion A Suspended Particulate Matter (SPM) is an important pollutant released by diesel vehicles. Although the effects of DDT on the environment were devastating, they have long since disappeared.TF. Non-biodegradable pollutants are created by: a. nature b. excessive use of resources c. humans d. natural disasters 2. Match the following and choose the correct combinations from the options given [Kerala CET 2005] Column I Column II (1) DDT (p) , (2) PAN (q) Smog (3) Acid rain … High SPM concentrations in the air can have a detrimental impact on respiratory organs. ... Statement-1 is False, Statement-2 is True Answer : C Related Video. Question: D.D.T. Reply Delete. Ozone layer is present in the troposphere and protects us from harmful UV rays of sun. Assertion : A suspended particulate matter (SPNI) is an important pollutant released by diesel vehicles. ... true. Being fat soluble, it accumulates in the animal tissues, enters the food chain and gets concentrated thus, shows biological magnification. UTF-8. (d) If both Assertion and Reason are false. (T/F) 8. A pollutant can best defined as it Has natural geochemical cycles ... Bacteria is a prokaryotic organism and biodegradable while DDT is a non-biodegradable pollutant and undergo biological magnification. 1. biodegradable 2. non-biodegradable wastes 3. Long Answer Type Questions. c) Sewage d) Mercury. DDT is toxic to a wide range of living organisms, including marine animals. • DDT was initially used by the military in WW II to control malaria, typhus, body lice, and bubonic plague (1). Old news papers cannot be recycled. 2.5 micrometer b. (c) Choose the non-biodegradable pollutants from the list given below. (T/F) 7. DDT is a persistent organic pollutant that is readily adsorbed to soils and sediments, which can act both as sinks and as long-term sources of exposure affecting organisms. ii. Paper, DDT, Radioactive waste, Plastic, Insecticides. (b) Both Assertion and Reason are true but the Reason is not the correct explanation of Assertion. Statement-1 DDT is non-biodegradable pesticide. Introduction. DDT was one of the first chemicals in widespread use as a pesticide. DDT is a non-biodegradable, fat soluble pollutant. 5.0 micrometer c. 10.0 micrometer d. 7.5 micrometer 3. Biodegradation is a very important property for toxic chemicals, because if the biodegradation rate is high, the concentration and thereby the toxic effect will be reduced rapidly, while very persistent chemicals will maintain their toxic effect for a very long time.. Oxides of nitrogen and CFCs cause ozone depletion. DDT is a persistent organic pollutant that is readily adsorbed by soils and sediments, which can act both as sinks and as long-term sources of exposure, contributing to terrestrial organisms. If Assertion is true but Reason is false. View All. List any two applications of solar energy iii. Reason : Catalytic converters greatly reduce pollution caused by automobiles. If both Assertion and Reason are false. Q5. (True /False). b) Nondegradable pollutant. ... most substances that comprise oil are naturally biodegradable ... the concentration of a pollutant in the water: The standard laboratory bioassay is used to determine _____. By microorganisms and causes soil pollution likely one of the absence of primary consumers in an?. Which can be broken down by microorganisms and causes soil pollution the following i! 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