| 1 |
An object produce a sound with a frequency of 50 Hz. Find its tiem period. |
- A. 0.01 sec
- B. 0.03 sec
- C. 0.02 sec
- D. 0.04 sec
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| 2 |
The products of respiration are carbon dioxide and. |
- A. Water
- B. Oxygen
- C. Mitochondria
- D. Chloroplast
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| 3 |
Which of the following is most excellent solvent. |
- A. Sulphuric acid
- B. Acetic acid
- C. Water
- D. Ammonia
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| 4 |
Is the application of scientific knowledge in daily life. |
- A. Irrigation
- B. Salt formation
- C. Brine
- D. Technology
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| 5 |
The speed of sound in air is. |
- A. 100 m/s
- B. 300 m/s
- C. 100 m/s
- D. 330 m/s
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| 6 |
There are ............ groups in periodic table. |
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| 7 |
Which is nto used in the preparation of lemon pickle. |
- A. Lemon
- B. Sugar
- C. Tea leaves
- D. Acetic Acid
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| 8 |
The temerature o boiling water in centigrade scale is. |
- A. 0 oC
- B. 32 oC
- C. 37 oC
- D. 100 oC
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| 9 |
Moon takes....... days to move once around the Earth. |
|
| 10 |
Teh weight of 100 g mass is. |
- A. 10 N
- B. 1 N
- C. 100 N
- D. 1000 N
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