Subject :NSO Class : Class 4
Subject :NSO Class : Class 9
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Subject :NSO Class : Class 4
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Subject :NSO Class : Class 8
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Subject :NSO Class : Class 8
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Subject :NSO Class : Class 8
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Subject :NSO Class : Class 8
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Subject :NSO Class : Class 8
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Subject :NSO Class : Class 8
Ans 1:
Class : Class 8
Carbon monoxide and hydrogen cyanide are another 2 highly toxic chemicals found in cigarette smoke.Fly Ash, a very fine, powdery material composed mostly of silica made from the burning of finely ground coal in a boiler.
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Subject :NSO Class : Class 8
Select the correct option which best suits the given descriptions for P, Q, R and S.
P - A simple tool used for removing weeds.
Q - A tool that is used for ploughing the field.
R - A tool that is used for sowing with the help of
tractor.
S - A simple tool used for cutting of crops.
| P | Q | R | S | |
| A | Sickle | Plough | Cultivator | Khurpi |
| B | Sickle | Cultivator | Hoe | Cutter |
| C | Khurpi | Plough | Seed drill | Hoe |
| D | Hoe | Cultivator | Seed drill | Sickle |