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12. These questions are often called ‘comprehension’ questions and they are very common in English classrooms all over the world. False Remove the balloon from test tube B in such a manner that gas inside the balloon does not escape. 12. _______ are considered different from other microorganisms because they can multiply only by entering the host organisms. Yeast is a _______ fungus. Give one example each of acute and chronic diseases, Mention any two causes of baby’s disease. Download a PDF of free latest Sample questions with solutions for Class 9, Biology, CBSE- Why do we fall ill . (c) Protozoa – Paramecium, Amoeba. Match the following They are transmitted to a healthy person while breathing. (d) tricellular, Question 7. (c) fermentation (a) rod-shaped Define communicable diseases. Name the type of microorganism … Fill in the blanks with suitable word/s. (b) MCQ Questions for Class 8 Social Science with Answers were prepared based on the latest exam pattern. A comprehensive database of more than 112 education quizzes online, test your knowledge with education quiz questions. People are searching for an answer to this question. (d) both (a) and (c), Question 4. Differentiate between acute and chronic diseases. Pathogens or germs enter a healthy body through air, water, contaminated food and infected person by direct or indirect contact or by the carrier. When a person sneezes or coughs, tiny droplets containing a number of disease-causing microorganisms come out of the mouth, and are released in the air. Why do idli and dosa maker add some yeast or old batter of pervious day to the newly-made batter and keep it for one day? Salt is used as a food preservative. 1. 2. (i) They do not need to enter any host organ­ism to reproduce or show any characteristics of life. For fermentation of idli and dosa yeast or old batter is added. (c) (a) yeast 2. Reviewed and tested by the experts for best learning experience. A pathogen or infectious agent is a biological agent that causes disease or illness to its host. Answer: (a) bacilli or develop naturally as cell division occurs incorrectly. (h) A.1. Plus, get practice tests, quizzes, and … We use a _______ to see the microorganisms. This discussion on Name the chemicals which kill or stop the growth of pathogens Related: Short Answer Questions (Part - 1) - Microorganisms : Friend And Foe? Observe its roots. 13. (a) immune Pathogens can be of different types. Check the below NCERT MCQ Questions for Class 8 History Chapter 1 How, When and Where with Answers Pdf free download. Food preservation is the method of preserving food from being spoiled by the microbes. In a short answer question, the student types in a word or phrase in response to a question (that may include a image). NCERT Solutions for Class 8 Social Science Civics Chapter 2 - Understanding Secularism are very important to understand the concepts discussed in … solarseven / Getty Images Types of Pathogens Typically, pathogens fall into one of the following four categories. In refrigeration, the storing of the food is done at a temperature of 0°C to 5°C, whereas freezing is used to store food at -18°C of temperature. Answer: When the ELISA test was conducted on an immune Options consist of defined time and temperature conditions (Class A, Alternative 1; Section 4.4 (p 28), defined alkaline treatment conditions (Class A, Alternative 2; Section 4.5 (p 30)), one of 6 existing processes to further reduce pathogens (Class A, Alternative 5; Section 4.8 (p 32)), or one of 5 existing process to significantly reduce pathogens (Class B, Alternative 2; … S Chand Science Class 8 Solutions Chapter 2 Micro-Organisms: Friends and Foe Lakhmir Singh Science Class 8 Chapter 2 Very Short Answer Type Questions Question 1. The Plasmodium, here, multiplies itself and reaches the salivary gland of the mosquito. You will see the terms vaccines, vaccinations, and immunizations used across this site. 12. viruses Protozoa are _______ in nature. Bacteria have an organised nucleus. (d) protozoa, Question 10. Workers in many occupations, including first … Yeast produces carbon dioxide gas during respiration. Answer: Tiny organisms which cannot be seen with the naked eyes are called A substance which is used in the production of immunity against various diseases in the living body is termed as vaccine. Answer: 9. (b) Question 5. Answer: Question 14. Most of street hawkers sells food items in an open area which always get contaminated with the dust and flies carrying germs with them. View Answer Ans: The nitrogen cycle is the process by which nitrogen is converted between its various chemical forms.Nitrogen is present in the environment in a wide variety of chemical forms including organic nitrogen, ammonium (NH4+), nitrite (NO2-), nitrate (NO3-), nitrous oxide (N2O), nitric oxide (NO) or inorganic nitrogen gas (N2), atmospheric nitrogen needs to be processed … Why? Pull out a gram or bean plant from the field. Question 8. 2. 3. Substance used to produce immunity against diseases in the living body is called Algae tend to develop on wet surfaces. Answer: It is adaptation of pathogens to infect particular organs of the body. 6. Viruses cannot be killed by using antibiotics as their cell pathways are different from that of bacteria. are solved by group of students and teacher of Class 8, which is also the largest student The storing of food products at the temperature of 0°C to 5°C is known as refrigeration. False Teachers in the classroom and at home are sure to find our materials very useful. After having their meal, they found that many food items were left over. Exercise on Short Answers :: Learn English online - free exercises, explanations, games, teaching materials and plenty of information on English language. Lymph nodes – HIV, Filariasis Lungs – Pneumonia. Answer: It is inspired by … You can improve your knowledge within a short period by referring to Karnataka Board Class 6 English Chapter 8 Do it yourself. Botulism. 13. It’s very important to keep in mind that antibiotics must be taken only on the advice of a qualified doctor. Question 13. Medicine that kills or stops the growth of harmful disease-causing microbes is known as The English language is a fun one to learn, and if you have been having a hard time understanding what we learn in class, then the test below is for you. All types of questions are solved for all topics. Can you tell why the curd did not set? Answer: Answer: Activities and Projects 2. Different types of pathogens include bacteria, viruses, protists (amoeba, plasmodium, etc. Yeast is used in the production of alcohol, wine, beer and other beverages. 15. curdling, III. These pathogens generally enter the human body from contaminated drinking water and cause many water-borne diseases like cholera, typhoid, jaundice, hepatitis etc. Answer: Answer: Answer: (b) microbes 9. What do you mean by immunity? A.1. (a) Question 2. By continuing, I agree that I am at least 13 years old and have read and (a) The structure of a short answer is important. Answer: (g) This brief English test for 8th class entails all that is covered so far and will help you test out your skills. It's a good idea to keep the required answer as short as possible to avoid missing a correct answer … Bloodborne Pathogens Practice Test. 11. Question 2. (c) spirilla Unscramble the jumbled words underlined in the following statements State with examples why a few pathogens are organ/tissue-specific. In this article you will get the complete solution for CBSE Class 8 English … True (b) germs Write the names of any two antibiotics. (a) Tuberculosis NCERT Book for Class 8 Social Science (History) Chapter 4 Tribal, Dikus and The Vision is available for reading or download on this page. Question 8. Answer: (b) Fungi Apart from being the largest Class 8 community, EduRev has the largest solved Lactobacillus. The rates of complications, both short- and longer-term, are much higher and generally more severe after natural infections than the rates of side effects associated with the corresponding vaccines 1,4,5,7-13. Very Short Answer Type Questions Q.1. (d) none of these, Question 11. Question 2. (c) 3. 11. Answer: Organ specific manifestation is of two types, portal related. Because they often lack a main verb, they are technically not complete sentences. (d) Cells of our body produce santiidobe to fight pathogens. (b) Anthrax These substances are called antibodies. The first antibiotic discovered was _______. 4. _______ are the threads of the multicellular fungi. Question 1. The term vaccine refers to the material used for immunisation, while vaccination refers to the act of giving a vaccine to a person. We do not use only Yes or No to answer a question. Answer: 15. Answer: But, however, antibiotic will work if we get attacks of viral infection and bacterial disease at the same time. Give four examples. 2. Question 5. Lymph nodes – HIV, Filariasis Lungs – Pneumonia Q.2. Give two examples of each of the following types of microorganisms: 5. They inhabit virtually every environment on the planet and the bacteria carried by an average human, mostly in their gut, outnumber human cells. What is the role of bacteria in increasing the soil fertility? (c) Agaricus (d) Amoeba, Question 3. The answer could be a word or a phrase, but it must match one of your acceptable answers exactly. Question 11. Question 6. Now, when this mosquito bites a healthy person, it injects Plasmodium along with saliva to him. 8. (a) Curbossulite is an air-borne disease caused by a bacterium. Question 10. (b) Air, water, food, carriers and physical contact. (a) 10. Question 10. Question 4. (b) Xanrhat is a dangerous bacterial disease. These pathogens include, but are not limited to, hepatitis B (HBV), hepatitis C (HCV) and human immunodeficiency virus (HIV). Carriers of pathogens also help in their transmission. soon. (d) What value of Seema is shown here? Jellies, jams and squashes are preserved by adding vinegar to them. (b) This criterion was developed in the 1990s as an erroneous interpretation of now Our online education trivia quizzes can be adapted to suit your requirements for taking some of the top education quizzes. (b) Yeast All the microorganisms are harmful. (c) fungi A protozoan called Plasmodium is responsible for malaria. The role of sugar in food preservation is significant. _______ are the microorganisms that help in the process of decomposition. Question 11. (a) microscope Amoebic dysentery is caused by algae. (a) pathogens (b) protozoa What is decomposition? (a) We should keep a handkerchief on nose and mouth while sneezing or coughing because fine drop¬lets carrying thousands of viruses or bacteria spread in the air. (d) respiration, Question 13. What is sterilisation? (a) The methods used for prevention of spoiling of food by the action of microbes is called food preservation. Question 1. Answer: Without a subject and an auxiliary verb, a short answer is not a full answer. Some of the bacterial diseases are … Pathogens may be viruses, bacteria, protists or fungi. We use short answer… Answer: Microorganisms are harmful to us in many ways. These diseases can be spread while bathing, washing, drinking water, or by eating food exposed to contaminated water. Name a disease caused by food poisoning. Answer: (c) 3. microscope Noninfectious diseases are not caused by pathogens. (b) bacteria 7. Short Answer Questions (3 Marks) Question 1. CBSE Class 8 English Lessons - Here is a detailed Explanation, Summary, Difficult words, Question Answers provided for CBSE Class 8 English Honeydew Book. Solution for Class 8 of milk a phrase, but it must match one of your acceptable answers exactly to! 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To preserve food, Carriers and physical contact fluids, or by eating exposed! Organ specific manifestation is of two types, portal related the food it! Sits on the roots virus, these pieces of peptide will include fragments of proteins made by the.!

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