Question : The number of Hydrogen bonds between Guanine and Cytosine in DNA is

Option 1: 2

Option 2: 3

Option 3: 4

Option 4: 1

Question : An example of heterocyclic compound is

Option 1: Naphthalene

Option 2: Furan

Option 3: Benzene

Option 4: Anthracene

Question : Which of the following colloids is an example of foam?

Option 1: Sponge

Option 2: Butter

Option 3: Cheese

Option 4: Mist

Question : Apple II is an example of ______ generation of computers.

Option 1: third

Option 2: second

Option 3: first

Option 4: fourth

Question : Which one of the following elements is an example of noble gas?

Option 1: Nitrogen

Option 2: Hydrogen

Option 3: Chlorine

Option 4: Helium