CBSE Class 8 Science Micro Organisms Friend And Foe Worksheet Set C

Read and download free pdf of CBSE Class 8 Science Micro Organisms Friend And Foe Worksheet Set C. Students and teachers of Class 8 Science can get free printable Worksheets for Class 8 Science in PDF format prepared as per the latest syllabus and examination pattern in your schools. Standard 8 students should practice questions and answers given here for Science in Grade 8 which will help them to improve your knowledge of all important chapters and its topics. Students should also download free pdf of Class 8 Science Worksheets prepared by school teachers as per the latest NCERT, CBSE, KVS books and syllabus issued this academic year and solve important problems provided here with solutions on daily basis to get more score in school exams and tests

Micro Organisms Friend And Foe Class 8 Science Worksheet Pdf

Class 8 Science students should refer to the following printable worksheet in Pdf for Micro Organisms Friend And Foe in standard 8. This test paper with questions and answers for Grade 8 Science will be very useful for exams and help you to score good marks

Class 8 Science Worksheet for Micro Organisms Friend And Foe

CBSE Class 8 Science Worksheet - Microorganisms: Friend and Foe - Practice worksheets for CBSE students. Prepared by teachers of the best CBSE schools in India.

BAL BHARATI PUBLIC SCHOOL

GANGA RAM HOSPITAL MARG

SUMMATIVE ASSESSMENT 1

SCIENCE

CLASS- VIII

SA1

ASSIGNMENT NO. 03

MICROORGANISMS: FRIEND AND FOE

Q1. Answer the following:

i. Microbes that reproduce only inside the hostii.

ii.A viral diseaseiii.

iii.An example of a fungiiv.

iv.Single celled microbesv.

v.Microorganism that increases soil fertilityvi.

vi.Microbes that could be present in form of coloniesvii.

vii.Bacteria which causes anthrax diseaseviii.

viii.Any one preservativeix.

ix.A plant that can show root nodule formation –

x. A useful Fungixi.

xi.A disease that has been eradicated from most parts of the world –

xii. A bacterial disease in plants-

Q2. Tick the correct option:

1. Microbe involved in curd formation:

   i) Amoeba ii) Lactobacillus iii) Rhizobium iv) Bread Mould

2. Which of the following is not a fungi:

  i) Bread Mould ii) Penicillium iii) Aspergillus iv) Spirogyra

3. The carrier of malarial parasite:

  i) Anopheles ii) Aedes iii) Housefly iv) Virus

4. Rust of wheat is caused by:

  i) Bacteria ii) Virus iii) Fungi iv) Protozoa

5. Which of the following can result in spread of microbes:

  i) Air ii) Water iii) Food iv) All of these

6. The term vaccine was introduced by which scientist?

  i) Edward Jenner ii) Robert Hooke iii) Alexander Flemming iv) Robert Koch

7. Chlorophyll is present in which of the following organisms

  i) Bacteria ii) Virus iii) Algae iv) Protozoa

8. Yeast is used in the production of:

  i) Hydrochloric acid ii) Alcohol iii) Sugar iv) Oxygen

9. Which of the following does not contribute to nitrogen availability in the soil?

  i) Decay of organic matter ii) Lightning iii) Rhizobium iv) Lactobacillus

Q3. Give the contributions of the following:

  A. Louis Pasteur

  B. Alexander Fleming

  C. Robert Koch


Students must free download and practice these worksheets to gain more marks in exams. CBSE Class 8 Science Worksheet - Microorganisms: Friend and Foe

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