| 1 |
____________ light is the reiurs of light when it hits as opaque surface. |
- A. Refraction
- B. Reflection
- C. Dis persion
- D. Echo
|
| 2 |
Which disease is caused due to air pollution? |
- A. Diarrhea
- B. Lungs cancer
- C. typhoid
- D. Cholera
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| 3 |
Any change in he environment which is harmful for living things is called. |
- A. Pollution
- B. Pollutant
- C. disease
- D. Fithy
|
| 4 |
Current can easily pass through |
- A. Steel paper clip
- B. Glass strip
- C. Plastic comb
- D. Wooden spoon
|
| 5 |
Sand soil is used for making. |
- A. Pottery
- B. Glass
- C. Farming
- D. Cultivation
|
| 6 |
The volume of inernal core of the earth is........... of the total volume of the earth. |
- A. 15%
- B. 16%
- C. 17%
- D. 18%
|
| 7 |
Which conditions are necessary for seed germination |
- A. Water, soil and air darkness
- B. Air , water, lifht
- C. Water, temperature, air
- D. Temperature, soil, light
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| 8 |
Penicillin is an |
- A. Plant
- B. Animals
- C. Virus
- D. Antibiotic
|
| 9 |
The emergency phone call number is |
- A. 2211
- B. 1133
- C. 1122
- D. 0911
|
| 10 |
An example of a static charge loss. |
- A. Lightning
- B. Cell current
- C. Electric current
- D. All of these
|