CBSE Class 8 Science Chapter 2 Microorganisms: Friend And Foe Very Short Answer Questions
Question 1. Write the name of the device by which we can study microorganisms successfully.
Answer: A Microscope is the device that has made the study of microorganisms successful.
Question 2. Ashish left an orange in his bag and forgot about it. After a week, when he looked in his bag, he found something growing on his orange.
” Study of microorganisms using a microscope “
Read And Learn More CBSE Class 8 Science Very Short Questions And Answers
Question 3. What was growing on Ashish’s orange?
Answer: Mould
” CBSE Class 8 Science Chapter 2 VSAQs “
Question 4. Can these organisms be seen with a magnifying glass?
Answer: Yes, Fungi can be seen with a magnifying glass.
Question 5. Identify a protozoan from the list of microorganisms given: Rhizopus, Rhizobium, Penicillium, and Amoeba.
Answer: Amoeba is a protozoan in the list given.
” Microorganisms Friend and Foe Class 8 “
Question 6. Name the group of microorganisms that can photosynthesise.
Answer: Algae are a group of microorganisms that can photosynthesise.
Question 7. Mention the kind of organisms that are classified under algae. Give examples.
Answer: Simple plant-like organisms that contain chlorophyll are classified under algae. Example: Spirogyra, Chlamydomonas.
” Mould growth on food “
Question 8. Mention a characteristic of viruses.
Answer: Viruses are cellular, tiny, microscopic organisms that can reproduce only inside the cells of host organisms.
Question 9. Write the names of two groups of microorganisms that live in colonies.
Answer: The groups of microorganisms that live in colonies are bacteria and fungi.