Previous year MCQs

General science UPPSC 2014 GS-I
Question

Biological resurfacing is a recent surgical technique used to treat problems of:

Answer & Solution

Answer: (Detailed Solution Below)

Option A: Knee joints

Detailed Solution:

The correct answer is “Knee joints”.
Biological resurfacing is a surgical technique used to treat knee joint problems. It involves restoring the articular cartilage and meniscus.

Similar Questions:

The energy of the sun is produced by
  1. A) Nuclear fission
  2. B) Ionisation
  3. C) Nuclear fusion
  4. D) Oxidation
Which one of the following silver salts is used for producing artificial rains?
  1. A) Silver chloride
  2. B) Silver bromide
  3. C) Silver nitrate
  4. D) Silver iodide
Consider the following statements:

Assertion (A): Space Based Solar Power (SBSP) is considered to be made a national goal.
Reason (R): Supply of SBSP is 99% uninterrupted throughout the year, besides the enormity of energy availability.

Select the correct answers from the codes given below:
Codes:
  1. A) Both A and R are true and R is the correct explanation of A.
  2. B) Both A and R are true, but R is not the correct explanation of A.
  3. C) A is true, but R is false.
  4. D) A is false, but R is true.
Which one of the following pairs is not correctly matched?
  1. A) Fullerenes–organic compounds containing fluorine
  2. B) Dry Ice–Solid carbon dioxide
  3. C) Keratin–protein found in the outer layer of human skin
  4. D) Mustard gas–poisonous liquid used in chemical warfare
Which one of the following is a secretion from the body of an insect?
  1. A) Pearl
  2. B) Coral
  3. C) Lac
  4. D) Gum
Which one of the following is not a constitutional body ?
  1. A) Finance Commission
  2. B) Planning Commission
  3. C) Public Service Commission
  4. D) Election Commission
In an earthen pitcher, the water remains cold due to the process of
  1. A) condensation
  2. B) evaporation
  3. C) sublimation
  4. D) none of the above
When ice melts, then the
  1. A) volume increases
  2. B) volume decreases
  3. C) mass increases
  4. D) mass decreases
"Ringelmann scale" is used to measure density of ?
  1. A) Smoke
  2. B) Polluted water
  3. C) Fog
  4. D) Noise
The Xylem in plants is responsible for transporting -
  1. A) Water
  2. B) Oxygen
  3. C) Amino Acid
  4. D) Food
CNG used in automobiles to check pollution, mainly consists of
  1. A) H2
  2. B) CH4
  3. C) CO2
  4. D) N2
Telescope was invented by:
  1. A) Gallileo
  2. B) Gutinberg
  3. C) Edision
  4. D) Graham Bell