Match List I with List II and select the correct answer using the code given below the Lists:

List I (Element)
A. Li
B. Na
C. K
D. Cs

List II (Use)

  1. Time keeper in atomic clocks

  2. Batteries

  3. Transfer of nerve impulses

  4. Control of the water content in the blood

Code:

General Ability 2015 NDA General Ability 2015 NDA 2015

Options