local technologies and information and communication

We use dhiki for______________

• extracting oil

• pounding rice

• for grinding rice

• all of the above

What do we call the technologies that is simple in structure , easy to use and cheap in operation

• washing machine

• vaccum cleaner

• refrigerator

• local technology

3) What do we call the organic fertilizer prepared by decaying wastes from plants and animals ?

• biogas

• gas cylinder

• soil

• compost manure

4) Kol is used for______________

• making shampoo

• for extracting oil

• for grinding

• for crushing

5) Which of the following is is a local technology?

• bicycle

• dhiki

• sewing machine

• car

6) Compost manure is prepared by using ________________.

• solid wastes

• organic wastes

• plastics

• papers

Bio gas is prepared by using __________.

• animals

• animal dung

• plants

• bottles

Cold stores are used for storing_________.

• foods

• manure

• coal

• bio gas

What is the another name of bio gas?

• gas stove

• gobar gas

• animals dung

• heater

____________are made without proper scientific knowledge.

• television

• computer

• local technologies

• car