3706: Very small-time intervals are accurately measured by the:
(a) Pulsars
(b) White dwarfs
(c) Atomic clocks
(d) Quartz clocks
3707: India's contribution to Mathematics includes:
1. Number system
2. Decimal system
3. Concept of zero
(a) 1, 2 & 3
(b) 1 & 2
(c) 2 & 3
(d) 1 & 3
3708: Salinization occurs when the irrigation water accumulated in the soil evapo- rates, leaving behind salts and minerals. What are the effects of salinization on the irrigated land?
(a) It greatly increases the crop production.
(b) It makes some soils impermeable.
(c) It raises the water table.
(d) It fills the air spaces in the soil with water.
3709: What least number should be added to 1056, so that the sum is completely divisible by 23?
3710: Who among the following wrote the book Babuvivah?
(a) Rabindranath Tagore
(b) Raja Rammohan Roy
(c) Ishwar Chandra Vidyasagar
(d) Pandita Rambai