Previous year MCQs

General science UPPSC 2001 GS-I
Question

The substances present at the centre of the sun are in:

Answer & Solution

Answer: (Detailed Solution Below)

Option C: gaseous state only

Detailed Solution:

The correct answer is “gaseous state only”.
The answer is (3) gaseous state only.

The center of the sun, called the core, is an extremely hot and dense region. Here's why only the gaseous state exists there:

Similar Questions:

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
The newly discovered high temperature superconductors are?
  1. A) Metal alloys
  2. B) Pure rare earth metals
  3. C) Ceramic oxides
  4. D) Inorganic polymers
The device used for converting alternating current to direct current is called
  1. A) Inverter
  2. B) Rectifier
  3. C) Transformer
  4. D) Transmeter
Which among the following compounds is the main constituent of natural gas ?
  1. A) Butane
  2. B) Hexane
  3. C) Benzene
  4. D) Methane
The disease caused by swelling of the membrane over spinal cord and brain is:
  1. A) Leukaemia
  2. B) Paralysis
  3. C) Sclerosis
  4. D) Meningitis
What type of electromagnetic radiation is used in the remote control of a television?
  1. A) Infrared
  2. B) Ultravoilet
  3. C) Visible
  4. D) None of the above
Relative humidity of atmosphere is measured by:
  1. A) Hydrometer
  2. B) Hygrometer
  3. C) Potentiometer
  4. D) Lactometer
An enzyme which helps in the digestion of protein is
  1. A) Urease
  2. B) Ssulfatase
  3. C) Trypsin
  4. D) Protease
The temperature for keep food fresh in the refrigerator is:
  1. A) 4°C
  2. B) 8°C
  3. C) 0°C
  4. D) 10°C
Which of the following Gas has highest percentage in atmosphere?
  1. A) Carbon
  2. B) Nitrogen
  3. C) Oxygen
  4. D) Hydrogen
Which of the following us used in the treatment of blood cancer?
  1. A) lodine-131
  2. B) Sodium-24
  3. C) Phosphorus-32
  4. D) Cobalt-60
Which one of the following is NOT correctly matched?(Substance) (Use)
  1. A) Silver bromide - Artificial photosynthesis
  2. B) Silver iodide - Artificial rain
  3. C) Lithium bicarbonate - Treatment of rheumatism
  4. D) Milk of magnesia - Antacid