CBSE Class 8 Science Microorganisms worksheet Set B

Read and download free pdf of CBSE Class 8 Science Microorganisms worksheet Set B. Download printable Science Class 8 Worksheets in pdf format, CBSE Class 8 Science Chapter 2 Microorganisms: Friend or Foe Worksheet has been prepared as per the latest syllabus and exam pattern issued by CBSE, NCERT and KVS. Also download free pdf Science Class 8 Assignments and practice them daily to get better marks in tests and exams for Class 8. Free chapter wise worksheets with answers have been designed by Class 8 teachers as per latest examination pattern

Chapter 2 Microorganisms: Friend or Foe Science Worksheet for Class 8

Class 8 Science students should refer to the following printable worksheet in Pdf in Class 8. This test paper with questions and solutions for Class 8 Science will be very useful for tests and exams and help you to score better marks

Class 8 Science Chapter 2 Microorganisms: Friend or Foe Worksheet Pdf

MIDDLE SECTION

DEPARTMENT OF SCIENCE

Subject :Science

Topic : Micro organisms – Friend and Foe 

 
Q 1) Name the following:
 
i. Microbes that reproduce only inside the host _______
 
ii. A viral disease ______________
 
iii. An example of a fungi ____________
 
iv. Single celled microbes ______________
 
v. Microorganism that increases soil fertility ________
 
vi. Microbes that could be present in form of colony_________
 
vii. Bacteria which causes anthrax disease_________
 
viii. Any one preservative ________
 
ix. A plant that can show root nodule formation ______

Q2) Define the following:
 
A. Microbes _________________________________________________________________
 
B. Pathogen _________________________________________________________________
 
C. Nitrogen Fixation ____________________________________________________________
 
D. Pasteurization ______________________________________________________________
 
E. Preservatives ______________________________________________________________

Q3. Give two uses of microorganisms in the following areas:
 
i) Food Industry ________________________________________________________
 
ii) Medicinal Use __________________________________________________________
 
iii) Environment related _____________________________________________________
 
Q4. Why milk in polypacks does not get spoiled?
 
__________________________________________________________________________
 
___________________________________________________________________________
 
Q5. List few differences between Antibiotics and Antibodies?
 
_________________________________________________________________________
 
___________________________________________________________________________
 
Q6. List some harmful effects of microorganism?
 
_________________________________________________________________________
 
_____________________________________________________________________
 
Q7. How can we control the spread of diseases caused by mosquitoes?
 
________________________________________________________________________
 
______________________________________________
 
Q8 .Why does sugar solution with yeast powder become alcoholic in taste?
 
__________________________________________________________________________
 
Q9. Purvi, a class VIII student was asked to submit a project report on mosquito transmitted diseases. She visited a nearby hospital where her aunt was staffed as a nurse. Her aunt took her to a patient suffering from malaria. Megha talked to the patient and asked him about his health and also took some flowers for him.
 
(a) Name the mosquito that spreads malaria. _________________________
 
(b) What is the name given to such organisms that transmit the diseases from infected to healthy person? _________________________________________________
 
(c) Identify two important values as shown by Megha_______________________________________________________________________

 

 

Please click on below link to download CBSE Class 8 Science Microorganisms worksheet Set B

Chapter 2 Microorganisms: Friend or Foe CBSE Class 8 Science Worksheet

The above practice worksheet for Chapter 2 Microorganisms: Friend or Foe has been designed as per the current syllabus for Class 8 Science released by CBSE. Students studying in Class 8 can easily download in Pdf format and practice the questions and answers given in the above practice worksheet for Class 8 Science on a daily basis. All the latest practice worksheets with solutions have been developed for Science by referring to the most important and regularly asked topics that the students should learn and practice to get better scores in their examinations. Studiestoday is the best portal for Printable Worksheets for Class 8 Science students to get all the latest study material free of cost. Teachers of studiestoday have referred to the NCERT book for Class 8 Science to develop the Science Class 8 worksheet. After solving the questions given in the practice sheet which have been developed as per the latest course books also refer to the NCERT solutions for Class 8 Science designed by our teachers. After solving these you should also refer to Class 8 Science MCQ Test for the same chapter. We have also provided a lot of other Worksheets for Class 8 Science which you can use to further make yourself better in Science.

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