The name of the disease called Lock-jaw is _____.

1. 1. Arthritis
   2. Hypetropia
   3. Tetanus
   4. None of these

Sulfuric acid was prepared by?

1. 1. Johann Glauber
   2. Peregrine Phillips
   3. Jabir bin Hayan
   4. None of these

What is the Closest Planet to Earth?

1. 1. Mars
   2. Venus
   3. Mercury
   4. None of these

The gas used for artificial ripening of green fruit is _____.

1. 1. Ethylene
   2. Ethane
   3. Carbone dioxide
   4. Acetylene

How Many calories should your eat per day to lose weight?

1. 1. 2000
   2. 2500
   3. 1500
   4. 3000

Collection of water droplets which are suspended in air are called _____.

1. 1. Wind
   2. Cloud
   3. Gases
   4. Sleet

Rotation in which Earth rotates is form _____.

1. 1. West to east
   2. East to west
   3. North to south
   4. South to north

Which distance is bigger – an astronomical unit (AU) or a light-year (LY)?

1. 1. An astronomical unite (AU)
   2. Neither one is a measurement of distance
   3. They’re both about the same distance
   4. A light-year (LY)

Layer of atmosphere in which Ozone layer lies is _____.

1. 1. Exosphere
   2. Mesosphere
   3. Troposphere
   4. Stratosphere

Rainbow formation is due to _____.

1. 1. Absorption of sunlight by water droplets
   2. Diffusion of sunlight through water droplets
   3. Ionization of water droplets
   4. Refraction and reflection of sunlight by water droplets