Very small time intervals are accurately measure by
A). White dwarfs
B). Atomic clocks
C). Atomic clocks
D). Pulsars
1. Commercially sodium bicarbonate is known as
2. The mechanism of uric acid excretion in nephron is
3. The basic unit of a vertebrate kidney is the
4. Which of the following is a logical sequence in carbon cycle?
5. The acid rain destroys vegetations because it contains
6. What should a person on a freely rotating turn table do to decrease his (angular) speed ?
7. What is the average life of Red Blood Cells in the human body?
8. Percentage of lead in lead pencils is
9. The splitting of different colours of light in a prism is :