CBSE Class 8 Science More on Harmful Microorganisms

• CAN VIRUSES SO REPRODUCE ON FUNGI'S CELL ?
• How does an infection by microorganism produce immunity against it?
• Give reason for the following  (i) souring  of milk  (ii) breads and cakes are fluffy (iii) food poisoning                                  (iv) addition of oil and pickles                           (v) black and green coating on bread   (vi)      drying of food before storage?
• which leaves are useful in the treatment of eczema and ringworm
• Its leaves and berries are highly toxic. It is also known as a belladonna or dwale
• (i) Write the symptoms of an animal suffering from disease?(ii) Which is the common factor in the following diseases? Tuberculosis, Measles, Citrus canker
• Who discovered the bacterium causing anthrax disease?
• Identify the plant disease shown below. What is its causative agent?
• What is the causative agent and mode of transmission of the plant disease shown below?
• What impact do plant disease causing microbes have on agriculture? How can such microbes be controlled?

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