Class 5 Science Chapter 2 Test 2 Welcome to your Class 5 Science Chapter 2 Test 2 Name Email 1. In decomposition carbon dioxide and Nitrogen gases are release back into the __________. Living organisms Dead bodies Environment Decomposers 2. Penicillin is an example of which group? Protozoa Fungi Bacteria Virus 3. During decomposition, bacteria and fungi break the organic molecules of food and dead bodies into _________components. Simple Complex Large Less 4. The organisms which do decomposition are called________. New organisms Decomposers Finishers Creations 5. _________ are used to make bread and cheese. Bacteria Yeast Fungus None of these 6. Which one of the following is not a microorganism? Bacteria Virus Protozoa Ant 7. Penicillin was derived originally from a type of Fungi, known as__________. Fungus Penicillium Antibiotic None of these 8. The diseases caused by Pathogen are called__________. Infections Infectious disease Both a & b None of these 9. Covid-19 spread through ________. waterborne airborne Direct contact None of these 10. _______ are used to decompose toxic material present in sewerage and industrial waste water. Virus Bacteria Fungi None of these 11. Mushrooms belong to which group of organisms? Virus Fungi Bacteria Protozoa 12. Diarrhea and typhoid are ________ disease. waterborne airborne Direct contact None of these 13. Ringworm, Athlete’s foot, smut, rust caused by Viruses Bacteria Fungi Decomposers 14. With increase in temperature, humidity and oxygen the rate of decomposition __________. Increases Decreases Moderate Have no effect 15. The microorganisms that cause disease in their hosts are called_________. Viral Bacterial Fungus Pathogens 16. ________and Yeasts are used in making food items. Virus Bacteria Fungi None of these 17. The infectious disease that spread through air is called ________disease. waterborne airborne Direct contact None of these 18. __________was the first antibiotic. Erythromycin Cephalosporin Amino Penicillin 19. Fungi and Bacteria are used to make_______. Toxic Antibiotics Apparatus Making food 20. What is the cause of polio disease? Protozoa Virus Bacteria Fungi 21. Hepatitis, Flu, Polio, COVID – 19, Measles, Mumps are cause by Viruses Bacteria Fungi Decomposers 22. The food is contaminated due to the presence of --------- in the environment? Moisture Microorganisms Air Heat 23. _________ are used in making yoghurt. Bacteria Yeast Fungus None of these 24. Pneumonia, Typhoid, Cholera, Tuberculosis are caused by Viruses Bacteria Fungi Decomposers Time is Up! Time's up
