SSC CHS Level 2012 - Solved Paper

1. Symptoms of Jaundice occur mainly due to disorder and malfunction of:

  1. Pancreas
  2. Intestine
  3. Liver
  4. Stomach

2. When hot liquid is poured into a thick glass tumbler, it cracks because glass:

  1. has low temperature coefficient of expansion.
  2. is a bad conductor of heat so only inner surface expands.
  3. has high temperature coefficient of expansion.
  4. has a very low specific heat.

3. A solid needle placed horizontally on the surface of the water floats due to:

  1. viscosity of water
  2. capillary action
  3. water pressure
  4. surface tension of water

4. The oil in the wick of an oil lamp rises up due to:

  1. pressure difference
  2. capillary action
  3. low viscosity of oil
  4. gravitational force

5. Both the ALU and Control Section have special purpose storage locations called:

  1. Address
  2. Registers
  3. Accumulators
  4. Bus

6. Telnet is a:

  1. search engine
  2. browser
  3. protocol
  4. gateway

7. The term ODBC stands for:

  1. Object Database Connectivity.
  2. Object Database Communication
  3. Open Database Communication
  4. Open Database Connectivity

8. The heat treatment applied to milk before distribution to stabilize and to remove disease causing bacteria is called as:

  1. Homogenisation
  2. Pasteurisation
  3. Fermentation
  4. Coagulation

9. A drop of liquid assumes spherical shape because:

  1. Intermolecular forces are weak in liquids
  2. Intermolecular forces are strong in liquids
  3. A sphere has the least surface area for a given volume
  4. A sphere has the largest surface area for a given volume

10. The two metal ions that cause hardness to water are:

  1. Sodium, Magnesium
  2. Calcium, Magnesium
  3. Sodium, Calcium
  4. Sodium, Potassium

11. Biogradable wastes can usually be converted into useful substances with the help of:

  1. bacteria
  2. nuclear proteins
  3. radio-active substances
  4. viruses

12. Which one of the following is an indicator of air pollution?

  1. Lichens
  2. Cycas
  3. Algae
  4. Bryophytes

13. The liquid waste from kitchens and baths of residences is known as:

  1. Refuse
  2. Domestic sewage
  3. Storm water
  4. Sullage

14. Which of the following metals contribute to biomagnification problem in the ecosystem?

  1. Lead
  2. Mercury
  3. Chromium
  4. Copper

15. Which of the following item is not included in Environmental Auditing?

  1. Storage of toxic chemicals
  2. Pollution monitoring schemes
  3. Scrutiny by the government agencies
  4. Safety provisions for industrial workers