Student get their Lakhmir Singh Manjit Kaur Class 6 solution by easy step. Question 58. ISBN-13: 9789352530243. Some of the antibodies remain in the body for a long time and protect it from any future attack of disease germs. NCERT Solutions for Class 6, 7, 8, 9, 10, 11 and 12. Question 45 B. C. growth of yeast cells A. nitrogen fixation This lactic acid then converts milk into curd. Name the micro-organisms present in the soil and in the root nodules of leguminous plants which can fix atmospheric nitrogen. Answer. Answer: The human diseases such as common cold and influenza are caused by viruses. How does it make the dough rise? Social Science. Edward Jenner discovered the vaccine for smallpox in 1978. The process of conversion of sugar into alcohol is called: Answer: The acetobacter bacteria is then added to alcohol. A neat, labelled diagram of the nitrogen cycle in nature is shown below: Answer: Question 84. Question 18. A. ant Class 10 - Maths+Science; Class 10 - Science; Class 10 - Mathematics; Class 10 - Social Studies ; Class 10 - Hindi; Class 10 - Sanskrit; Class 10 - Computer Science; Class 10 - Science+Maths Video Paper Solutions; Class 11. Lakhmir Singh and Manjit Kaur class 8 science textbook solutions hold a high regard among students of CBSE Class 8 students. The mosquito P is a carrier of virus and spreads a disease Question Another mosquito R is the carrier of protozoan S and spreads s disease called T. In this process, first alcohol is produce by using yeast. Answer: solution. Question 5. (c) Female Question 36. Typhoid and Cholera are caused by bacteria in human beings. Question 71. Question 34. D. citric acid Proper sanitation should be maintained in the kitchen. Question 62. So, when all your chapters are crystal clear, scoring higher marks in the examination will become much easier. Carbon dioxide traps heat and does not allow … 2 Comments. Name two food materials which are preserved by using common salt. OP Malhotra Differentiation S.Chand ISC Class-12 Maths Solutions Ch-8. Question 77. These NCERT Solutions for Class 6 Social Science are also the best source of self-analysis of results for students. (vi) A virus (c) Baking of Bread No. Blue green algae are known as ‘biological nitrogen-fixer’ as they fix the atmospheric nitrogen. What should an object do to produce sound? Viruses differ from other micro-organisms because they are too much smaller in comparison to other micro-organisms. (vii) g, Question 93. All mosquitoes breed in water . (a) Name (i) mosquito P, and (ii) disease Question Answer: B. cancer Answer: So, when all your chapters are crystal clear, scoring higher marks in the examination will become much easier. S Chand Science Class 8 Solutions Chapter 18 Pollution of Air and Water Lakhmir Singh Science Class 8 Chapter 18 Very Short Answer Type Questions. Answer: Streptomycin and erythromycin are two commonly known antibiotics which are made from fungi and bacteria. Name the instrument (or device) which is needed to see the micro-organisms. Answer: OP Malhotra Triangles Class-9 S.Chand ICSE Maths Ch-8. B. protozoan Board – CBSE. Question 47 B. Answer: This Pasteurized milk can be consumed without boiling as it is free from harmful microbes. Class 8, Lakhmir Singh. (a) The plant disease, Rust of wheat is caused by fungi. Salt, oil and vinegar are some of the preservatives which are used in the preservation of fruits and vegetables as pickles. C. tuberculosis So guy's today I am providing you the pdf file of class 10th p... Hey guys,, How's your studies going on? C. Louis Pasteur They, however, reproduce only inside the cells of the host organism, which may be a bacterium, plant or animal. Bubbles of the gas fill the dough and increase its volume. A vaccine is a special kind of preparation which provides immunity against a particular disease. Vaccine consists dead and weakened microbes which are harmless and do not cause any disease. Female Anopheles mosquito is a carrier of malarial parasite. These are as follows: Question 68 A. C. hydrochloric acid They, however, reproduce only inside the cells of the host organism, which may be a bacterium, plant or animal. Certain bacteria and blue green algae present in the soil fix atmospheric nitrogen and convert it into compounds of nitrogen. S Chand Class 8 Science Chapter 2 Micro Organisms Friends And Foe Solutions are free of cost for the students. Question 29. Question 16. There are various ways of preventing the occurrence and spreading of communicable diseases. Question 74. New Inquisitive Science Book-8 Dr. Kiran Ashok Kumar. (d) Cholera is caused by………….. (a) female Anopheles mosquito carries the parasite of malaria. (v) Cholera The main aim of writing this series is to help the learners understand difficult scientific concepts in a simple manner in easy language. Question 82. If student do exam preparation from these reference book, this book help the student to score very good marks. Penicillin is an antibiotic made from Penicillium. In Chapter 8 of Grade 8 Science, we have to study about few synthetic fibres like Nylon, Rayon or Artificial Silk, Polyester and Acrylic.We should know about the properties of these synthetic fibres. These questions will test your cognizance, understanding, evaluating and drawing skills. Name any two human diseases caused by protozoa. (c) Yellow vein mosaic of bhindi (Okra) Here are some reasons why it would be helpful: The Lakhmir Singh Class 8 Science Chapter 2 Micro Organisms Friends And Foe Solutions offers various advantages to students who are appearing for the examination. 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