Daily General Science Online Practice Paper For RRB, Bank PO,SSC Exam - 6 Nov 2014

Daily General Science Online Practice Paper For RRB, Bank PO,SSC Exam - 6 Nov 2014

1. Which of the following is the most important characteristic of noble metals?
[A]Luster
[B]Non reactive nature
[C]Rare availability
[D]Radioactivity
 

2. Which among the following is not correctly matched?
[A]Cassiterite-Tin
[B]Halite-Sulphur
[C]Guano-Phosphate
[D]Pentlaudite-Nickel
 

3. Starting in 1887, what was used by miners to extract gold from ore in a process called leaching?
[A]Cyanide
[B]Leaches
[C]Milk
[D]Chlorine bleach
 

4. Filtering tap water through activated carbon removes _________________.
[A]Dissolved calcium
[B]Bad taste, odour and colour
[C]Viruses
[D]Nitrates
 

5. Gregor Mendel, an Austrian monk founded the science of genetics by studying the hereditary traits of ___________________.
[A]Apples
[B]Guinea pigs
[C]Peas
[D]Chickens

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