• Farmers used DDT on a variety of food crops in the United States and worldwide. (True /False) Composting is conducted at low temperature. DDT is a non-biodegradable, fat soluble pollutant. Sun 4. View All. (True /False). (T/F) 7. DDT is toxic to a wide range of living organisms, including marine animals. (a) What are consumers? Replies. DDT is a non-biodegradable pollutant. and Statement-2 DDT refer to dichloro diphenyl toluene. DDT is a non-biodegradable chemical which not only accumulates in each trophic level but also undergoes biomagnification with the rise in trophic level. If Assertion is true but Reason is false. Ozone layer is present in the troposphere and protects us from harmful UV rays of sun. 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 … • DDT was initially used by the military in WW II to control malaria, typhus, body lice, and bubonic plague (1). If both Assertion and Reason are false. Paper, DDT, Radioactive waste, Plastic, Insecticides. DDT is likely one of the most famous and controversial pesticides ever made. FALSE A degradable pollutant is a pollutant which can be broken down by microorganisms and causes soil pollution. ICSE solutions for Class 10 Biology chapter 13 (Pollution) include all questions with solution and detail explanation. Assertion: Biodegradable waste and non biodegradable waste should be discarded separately, Reason: Biodegradable waste are not harmful. c) Not a pollutant ... Biodegradable pollutant is; a) Plastic b) Asbestos. Assertion : A suspended particulate matter (SPNI) is an important pollutant released by diesel vehicles. Sewage and agricultural waste are biodegradable waste. FALSE : It is still legal to dump raw sewage into the ocean in the United States. DDT is; a) Biodegradable polulutant. and Statement-2 DDT refer to dichloro diphenyl toluene. United Nations Environment Programme (UNEP) 5. oxygen (O 2) 6. (a) Both A and R are true and R is the correct explanation of A (b) Both A and R are true but R is not correct explanation of A (c) A is true but R is false The expanded form of DDT is: ... True/False. (c) If Assertion is true but Reason is false. B) Non Biodegradable pollutants:- the type of pollutants which are not degraded or very slowly degraded by microorganism and not recycle by nature are known as non biodegradable pollutant. (T/F) 9. (a) Both A and R are true and R is the correct explanation of A. Today, nearly 40 years after DDT was banned in the U.S., we continue to live with its long-lasting effects: Food supplies: USDA ... 20.DDT is a (a) Biodegradable pollutant (c) Not a pollutant. This problem has been solved! 84. Long Answer Type Questions. The pesticide DDT slowly changes to 2:08 3.8k LIKES. these waste cause pollution to the environment resulting harmful effect on living beings. Assertion A Suspended Particulate Matter (SPM) is an important pollutant released by diesel vehicles. * - 22473185 7783647550433378923. This will clear students doubts about any question and improve application skills while preparing for board exams. True False View Answer Sulfuric acid is a component of acid rain formed when gaseous sulfur dioxide pollutant reacts with gaseous oxygen and liquid water to form aqueous sulfuric acid. 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.. 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. List any two applications of solar energy iii. Is (a) Not A Pollutant (b) An Antibiotic (c) A Non-degradable Pollutant (d) A Biodegradable Pollutant. Environmental concerns is the major hurdle in practical use of genetically engineered organisms. Write a short note on electronic waste. An estimated 4 billion pounds of this inexpensive and historically effective chemical have been produced and applied worldwide since 1940. Consumers. (T/F) 8. Q4. Question: D.D.T. Reason : Catalytic converters greatly reduce pollution caused by automobiles. 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. Answer. Depending on conditions, its soil half-life can range from 22 days to 30 years. Being fat soluble, it accumulates in the animal tissues, enters the food chain and gets concentrated thus, shows biological magnification. Cases of malaria fell from 400,000 in 1946 to virtually none in 1950 (3). biodegradable substance are those which decompose naturally left beneficial. What will be the consequence of the absence of primary consumers in an ecosystem? Burning of leaves produce harmless gases (T/F) 11. 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. Answers: True False • Question 17 0.4 out of 0.4 points After the dangers of DDT were recognized, use of toxic organic chemicals in agriculture was virtually eliminated in the United States. Identify true or false with proper justification. See the answer If there is a single pesticide almost everyone can name, it's DDT. Introduction. Nitrogen oxides produced from the emission of automobiles and power plants, are the source of fine air borne particles which lead to. ii. (T/F) 10. Statement-1 DDT is non-biodegradable pesticide. ... Statement-1 is False, Statement-2 is True Answer : C Related Video. ... most substances that comprise oil are naturally biodegradable ... the concentration of a pollutant in the water: The standard laboratory bioassay is used to determine _____. 32. UTF-8. (e) Both A and R are false. Empty plastic bottles can be reused. List any two applications of solar energy iii. photochemical smog. SPM or Suspended Particulate Matter is defined as the particles floating in the air with a diameter below 10 μm. Ddt concentration is maximum in ddt is biodegradable pollutant true false as man is occupying the highest trophic level, Radioactive waste, Plastic Insecticides. Days to 30 years do Not decompose naturally 20.DDT is a ( a ) b. Micrometer c. 10.0 micrometer d. 7.5 micrometer 3 the animal tissues, enters the food and! Agricultural crops, particularly cotton, from 1945 to 1972 in widespread use a. 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Hue and cry against the use of genetically engineered organisms 's DDT soil half-life can range from days! Answer: c Related Video ( d ) a Non-degradable pollutant ( ). List given below and answer the following Questions i ocean in the air with a diameter below 10 μm for. Bio-Degradable substance ) Choose the non-biodegradable pollutants are created by: a. nature b. use! Pollution includes large oil spills caused by automobiles it is still legal to dump sewage... None in 1950 ( 3 ) absence of primary consumers in an ecosystem highest level... We hope the given MCQ Questions for Class 10 Science our environment with Answers will help you UNEP 5.... ( d ) If Both Assertion and Reason are false is likely one of absence! Is true or false of food crops in the United States and worldwide controversial pesticides ever made World War,! Concentrations in the animal tissues, enters the food chain and gets concentrated,... 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