Related Questions: Important. Dec 26,2020 - In the following groups of materials, which group’s contain only non-biodegradable.a)Polythene, detergent, PVCb)Plastic, Bakelite, DDTc)Plastic, detergent, grassd)Wood, paper leatherCorrect answer is option 'A'. Leather that has been tanned can take significantly longer to decompose because of the chemicals used to tan it. In this page, you can find CBSE Class 10 Science Chapter 15 Extra Questions and Answers Our Environment Pdf free download, NCERT Extra Questions for Class 10 Science will make your practice complete.. Class 10 Science Chapter 15 Extra Questions and Answers Our Environment (i) The non-biodegradable substances get accumulated and doesn t get decomposed hence it remains in the ecosystem and causes pollution, chokes the system of many animals and kill them. Which of the following are non-biodegradable: (a) Animal bones, silver foil, plastic mugs, leather belt. Free PDF Download of CBSE Class 10 Science Chapter 15 Our Environment Multiple Choice Questions with Answers. are biodegradable wastes and non biodegradable wastes. Grass, flowers and leather Grass, wood and plastic Fruit-peels, cake and lime-juice Cake, wood and grass All NCERT textbook questions have been solved by our expert teachers. (a) Grass, flowers and leather (b) Grass, wood and plastic (c) Fruit-peels, cake and lime-juice (d) Cake, wood and grass Share 0. leather decomposes very slowly; it takes around 25 to 30 years to decompose. Free PDF Download of CBSE Class 10 Science Chapter 15 Our Environment Multiple Choice Questions with Answers. Share with your friends. (a) Grass, flowers and leather (b) Grass, wood and plastic (c) Fruit-peels, cake and lime-juice (d) Cake, wood and grass Answer 1: (c) Fruit-peels, cake and lime-juice (d) Cake, wood and grass decomposed into harmless substances by microorganisms. 4 ; … (ii) These substances due to accumulation cause water and … Biodegradable and Non-biodegradable Substances video tutorial 00:15:06 Animal Bones, Iron Nails, Plastic Mugs, Leather Belts, Silver Foil Concept: Biodegradable and Non-biodegradable … Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. The disposal of the waste we generate is causing serious environmental problems. All the questions are done by the experts and answers of questions are as per marks. Biodegradable garbage is also known as organic waste. Â Name any two biodegradable substances. Popular Questions of Class 10th science. Students can solve NCERT Class 10 Science Our Environment Multiple Choice Questions with Answers to know their preparation level. (b) Effects of Biodegradable Substances: Stink: Within a day or so waste biodegradable substances begin to stink and produce foul gases. If all the waste we generate is biodegradable, will this have no impact on the environment? Which of the following groups contain only biodegradable items? Students can solve these Our Environment Class 10 MCQs Questions with Answers and assess their preparation level.
Animal bones, Iron nails, Plastic mugs, Leather belts, Silver foil Excercise. Leather belts are biodegradable whereas silver foils, plastic mugs and iron nails are non-biodegradable. These wastes can be broken down into non-poisonous substances by the action of microorganisms like bacteria and earthworms. It takes leather between 25 and 50 years to completely decompose. MCQ Questions for Class 10 Science with Answers was Prepared Based on Latest Exam Pattern. Which of the following groups contain only biodegradable items? 1. Flies and other pests carry the germs to all the places visited by them resulting in spread … Non-biodegradable wastes. Class-10 » Science. Biodegradable substance is a form of substance originating naturally from plant or animal sources, which may be broken down into carbon dioxide, water, methane or simple organic molecules by action of bacteria, fungi and other living organisms by composting, aerobic digestion, anaerobic digestion or similar processes. Biodegradable And Non Biodegradable Polymers Biodegradable and non biodegradable polymers Most of us might have observed that whenever we dump household solid wastes at dumpsites, a part of the waste disappears after few days (biodegradable wastes) but some of the waste starts accumulating at the place (non-biodegradable wastes). Class - 10 www.tiwariacademy.com A Free web support in education 1 Exercises Question 1: Which of the following groups contain only biodegradable items? In fact, the treatment process of leather introduces it with a ton of chemicals, which is not only harmful to the environment but also makes the leather item non-biodegradable. You can also get free sample papers, Notes, Important Questions. Group iii) has grass which is biodegradable hence the answer is d) (ii) and (iv) ... NCERT Exemplar for Class 10 Science Chapter 15 Our Download free PDF of best NCERT Solutions , Class 10, Biology, CBSE- Our Environment . MCQ Questions for Class 10 Science with Answers was Prepared Based on Latest Exam Pattern. A 100% biodegradable adhesive-free shoe you can fully disassemble + compost in your backyard! (b) Grass, wood and plastic. 1. since it can be decomposed into simpler substances by the action of bacteria we can call leather as bio degradable. What are non-biodegradable wastes? Class-10 » Science. Which of the following are biodegradable: (a) Animal bones, iron nails, plastic mugs, leather belt. 2. Class 10 Science Chapter 15 Board Questions with proper solutions and answers are given below. Classify the following waste materials found in your house under the given heads: Plastic bags, Cooking waste, Milk Sachets, Glass pieces, Metal clips, Thermocoal, Tissue paper, Leather chappals, Old clothes, Saw dust, Electrical wire. Pests and Pathogens: The decaying biodegradable substances become breeding places of flies and many other pests. Even faux leather is actually made from plastic, which itself is a hazard to the environment. 8788563422. (d) Cake, wood and grass. Accumulation of non-biodegradable pesticides in the food chain in increasing amount at each higher ... has wood and leather which are biodegradable. Our Environment ... pure leather( or raw leather ) is biodegradable but commercial leather( used for shoes, wallet,etc ) is treated with chemicals to make it long lasting so they are very difficult to decompose, hence commercial leather are non biodegradable( sort of ) 12 → By separating biodegradable substances from non-biodegradable substances. 1. ii) Non biodegradable wastes:-are wastes which are not (c) Paper, aluminium, polythene bags, animal bones. CBSE > Class 10 > Science 0 answers; Formula for green vitriol. (iii) What are the ions present in these compounds? Mon to Sat - 10 AM to 7 PM Our environment Worksheet-5  What is meant by the term 'Environment'? Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ … CBSE Class 10 Science Chapter 15: Chapter Summary. Nov 27,2020 - Which of the following is biodegradable?a)Plastic mugsb)Leather beltsc)Silver foild)Iron nailsCorrect answer is option 'B'. | EduRev Class 10 Question is disucussed on EduRev Study Group by 148 Class 10 Students. The waste we generate may be biodegradable or non-biodegradable. Give two examples of non-biodegradable wastes. Biodegradable wastes. (a) What is meant by non-biodegradable waste materials ? (ii) Show the formation of Na 2 O and MgO by the transfer of electrons. (b) Leather shoe, Earthen pot, … A non-biodegradable material is that which does not decompose and piles up on land or in the sea. Examples of biodegradable materials are domestic waste like leftover food, waste food materials from vegetables and fruits, wood, leather, etc. Here we have given Karnataka SSLC Class ... Why are some substances biodegradable and some non-biodegradable? e.g., fruits and vegetable peels, left–over food, leaves, paper, cotton, wool, silk, leather and cow dung. What Are Biodegradable Substances/Waste? Can you explain this answer? KSEEB SSLC Class 10 Science Solutions Chapter 15 Our Environment are part of KSEEB SSLC Class 10 Science Solutions. By Gaurav Sood 10/08/2020 At the back of our minds, we all want to make some difference to the deteriorating environment, and we do a thing or two consciously to prove a point. | EduRev Class 10 Question is disucussed on EduRev Study Group by 135 Class 10 Students. i) Biodegradable wastes:-are wastes which are . Class 10 Science MCQs […] 8. → By reducing, reusing and recycling non-biodegradable substances. Solution: Even biodegradable wastes, if generated in large quantities, can impact the environment. They also contain a number of pathogens. NCERT CBSE Solutions for Class 10 Science Chapter 15 . (a) Wool, glass, silver foil, leather. Chapter Description: The environment is the surrounding in which human beings, animals, and plants live with the intent of survival. (c) Fruit-peels, cake and lime-juice.  Name any two non-biodegradable wastes. Meaning your handbag is going to spend a lot of time in the local landfill when you're done with it. Plants have been the producers of food on which human beings and other living organisms depend. ... flowers and leather. Yes leather is biodegradable as it is obtain from animals 2 Thank You. (b) Glass bottle, paper, aluminium foil, DDT. Ans. Q:-(i) Write the electron-dot structures for sodium, oxygen and magnesium. MCQ Questions for Class 10 Science with Answers are prepared as per the Latest Exam Pattern. For any content/service related issues please contact on this number . For example, 1 mark questions are answered in one word or one sentence. Report ; Posted by Taniya Yaniya 1 year ago. Biodegradable. E X E R C I S E. Which of the following groups contain only biodegradable items? You are very important to us. Is leather a biodegradable waste ? Can you explain this answer? Non Biodegradable  Which of the following are biodegradable? Report ; Posted by Udit Verma 2 years, 5 months ago. ANSWER. All the answers are taken from latest NCERT Textbook 2020-2021. These wastes cannot be broken down into harmless substances by any biological processes. Students are advised to practice the NCERT MCQ Questions for Class 10 Science Chapter 15 Our Environment with Answers Pdf free download is available here. The biodegradation of substances is a slow process and thus requires Although the hides used in the leather-making process are biodegradable, the process of tanning (converting the hides to leather) prevents the fabric from biodegrading. www.embibe.com .
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