Photosynthesis occurs —

What are a group of Dolphins called? 

If the radius of a person's blood vessels decreases, what will be the effect on his blood pressure?

Who suggested that most of the mass of the atom is located in the nucleus? 

What mosquito bite is transmitted by a disease called malaria 

Which one among the following nontoxic gases helps in formation of enzymes which ripen fruit?

Whose pieces are the magnet protectors? 

The level of sound during normal conversation is