The gas used in the manufacture of Vanaspati Ghee from Vanasapai Oil is__

1. 1. Hydrogen
   2. Oxygen
   3. Nitrogen
   4. Carbon dioxide

Which one of the following is a not sedimentary rock?

1. 1. Limestone
   2. Sandstone
   3. Granite
   4. None of these

Which of the following is not an Operating System (OS)?

1. 1. Nokia
   2. Android
   3. Linux
   4. Mac

A Solar eclipse occurs when the ______________

1. 1. Sun is between the earth and Moon
   2. Earth is between the Moon and Sun
   3. Mars is between the earth and Sun
   4. Moon is between the earth and Sun

The temperature is lowest here:

1. 1. Stratosphere
   2. Mesopause
   3. Tropopause
   4. Stratopause

Impurities like boron, aluminum, gallium or indium are added to intrinsic semiconductor to form

1. 1. N-type doped semiconductor
   2. P-typed doped semiconductor
   3. A junction diode
   4. All of these

The bonds present in N2O5 are:

1. 1. Only ionic
   2. covalent and coordinate
   3. only covalent
   4. covalent and ionic

Polio is caused by-

1. 1. Fungus
   2. Bacteria
   3. Virus with single stranded RNA
   4. Virus with single stranded DNA

Of the following diseases, which one is caused by insect bite?

1. 1. Scurvy
   2. Dengue
   3. Pneumonia
   4. Asthma

Different types of electromagnetic radiation (x-rays, infrared, radio, etc.)

1. 1. Travel at different speeds in a vacuum
   2. Have different amounts of energy for each photon
   3. Have the same wavelength
   4. Do not always obey the inverse square law