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HANSRAJ PUBLIC SCHOOLFIRST TERMINAL EXAMINATION 2020SUBJECT: SCIENCECLASS VIII BF.M.: 50 -SET -II = 25 MARKS)(SET-I = 25 MARKS +SET-I(25 MARKS)A. Answer the following question in brief:(2 markssch)1. Why should seed be treated with fungicides before sowing2. What are the general characteristics of microorganisms?3. Illustrate with a simple diagram, a linear polymer and a cross-linkedpolymer.4. Write the word equation for the reaction; Reaction of magnesium withboiling water.5. Name the various fractions / products obtained from crudeliterdistillation.(3 marks each)B. Answer the following question in brief:1. Why is land ploughed and leveled before sowing?व्हाई शुड फीडर ट्रीटेड विद फंगीसाइड बिफोर सोंग ​

Answer»

Answer:

answer2=microorganisms CHARACTERISTICS =

..CHEMICAL COMPOSITION

..CELLULAR organisms

answer1=to provideceffective protection against many pathogens



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