Which of these resistances is contributing maximum to

Which part of the plant is mainly responsible for the process of photosynthesis?

Which vitamin is mainly obtained from sunlight and is important for healthy bones?

Two charges +4μC and +9μC are separated by 60 cm. Where should a third charge be placed so that it experiences zero net force? (from +4μC charge)

Which among the following is produced using ‘Haber Process’?

Which of the following two chemical reactions are involved in the corrosion of the iron metal?

What is 'Blue Baby Syndrome' caused by?

The SI unit of power is:

Which of the following is true about the digestion process of the Paramecium ?

I. Food is taken in at a specific spot.

Which of the following acid proves to be useful for the purification of gold and silver? 

Natural radioactivity was discovered by