Question: ___________ is an allotropic form of oxygen which plays an important role in absorbing ultra-violet radiation of the sun?

• 1. Carbon
• 2. Hydrogen
• 3. Ozone
• 4. Aluminum

Question: Which of following instrument used to measure water vapors in the atmosphere?

• 1. Anemometer
• 2. Hygrometer
• 3. Barometer
• 4. None

Question: Radioactivity measured by which device:

• 1. Radioactivity meter
• 2. Geiger counter
• 3. Roll counter
• 4. None of these

Question: The PH of milk is ________.

• 1. 6
• 2. 7
• 3. 6.7
• 4. 7.5

Question: Current is____.

• 1. Vegetable
• 2. Fruit
• 3. flow of electric charge
• 4. Machine

Question: The SI unit of charge is __________?

• 1. Ohm
• 2. Coulomb
• 3. Ampere
• 4. None

Question: Which of the following is not a vector quantity?

• 1. Velocity
• 2. Acceleration
• 3. Displacement
• 4. Distance

Question: NaCL+H2O =?

• 1. sodium hydroxide and Hydrochloric acid
• 2. sodium hydroxide and Hydrochloride acid
• 3. sodium and Hydrochloric acid
• 4. None

Question: One Astronomical Unit is the average distance between:

• 1. Earth and Sun
• 2. Jupiter and Sun
• 3. Pluto and Sun
• 4. Earth and Moon

Question: SI Unit of Electric Power?

• 1. watt
• 2. joules
• 3. volts
• 4. ampere