Question

Write a short note on natural insecticides.

Solution

Natural insecticides are chemicals, minerals, or biological which kill, repel, or prevent the insect pests from damaging the crops.

For exampls- Extracts from neem (Azadirachta indica) contain a compound, azadirachtin that keeps away the insects. Foliage coated with extract of neem repel Japanese beetles and leaf eating pests.

Some More Questions From Microbes in Human Welfare Chapter

Name one micro-organism which is used in bakery.

Name the two groups of micro-organisms most commonly used in industrial field.

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Microbes In Human Welfare

Write a short note on natural insecticides.

Some More Questions From Microbes in Human Welfare Chapter

Name one micro-organism which is used in bakery.

Name the two groups of micro-organisms most commonly used in industrial field.

Name the different vitamins which are produced by microorganisms.

The majority of baculoviruses used as biological control agents are in the genus?

Name the organism which provides statins used to lower cholesterol levels .

Name the first acid to be produced by fermentation.

How can a small amount of curd added to fresh milk convert it into curd ?

What is toddy ?

What are fermentors ?

What is primary sludge ?

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