Previous year MCQs

General science UPPSC 1999 GS-I
Question

Which one of the following is not correctly matched?

Answer & Solution

Answer: (Detailed Solution Below)

Option D: Seismometer–Curvature of surface

Detailed Solution:

The correct answer is “Seismometer–Curvature of surface”.
A seismometer is a measuring instrument that detects and records ground vibrations caused by seismic waves, such as those from earthquakes, volcanic eruptions, and explosions.

Similar Questions:

"Radioactive dating" is a technique which can be used to measure:
  1. A) the age of rocks
  2. B) composition of rocks
  3. C) colour of rocks
  4. D) weight of rocks
The polio virus enters the body through:
  1. A) Mosquito bites
  2. B) Contaminated food and water
  3. C) Saliva
  4. D) Dog bite
Assertion (A): Insolation is the most important source of energy for the biospheric ecosystem.
Reason (R): Solar radiation is converted into food and chemical energy by green plants.

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 the correct explanation of A
  3. C) A is true but R is false
  4. D) A is false but R is true
If a human disease breaks out across a large region of the world, what is it called?
  1. A) Pandemic
  2. B) Epidemic
  3. C) Endemic
  4. D) Epizootic
Mother's milk provides almost complete diet to the newborn, but it lacks the following:
  1. A) Iron
  2. B) Calcium
  3. C) Magnesium
  4. D) Potassium
White colour of milk is due to the presence of
  1. A) lactose
  2. B) albumins
  3. C) carotenes
  4. D) caseins
Of the two bulbs in a house, one glows brighter than the other. Which of the following statements is correct?
  1. A) The brightness does not depend on resistance
  2. B) Both the bulbs have the same resistance
  3. C) The brighter bulb has larger resistance
  4. D) The dimmer bulb has larger resistance.
The gas which emits for rice field is
  1. A) Ethane
  2. B) Methane
  3. C) Nitrogen
  4. D) All of the above
In which of the following animal's hooves are not found?
  1. A) Deer
  2. B) Jackal
  3. C) Horse
  4. D) Zebra
The gas used in discharge tubes for optical decoration and advertising is?
  1. A) Carbon Dioxide
  2. B) Ammonia
  3. C) Sulphur Dioxide
  4. D) Neon
Consider the following statements and give the answer with the help of codes given below:

Assertion (A): Only one side of the moon's surface is visible from the earth.
Reason (R): The period of rotation of the moon on its axis is equal to the period of its revolution round the earth.

Code:
  1. A) Both A and R are correct and R is the correct explanation of A.
  2. B) Both A and R are correct but R is not the correct explanation of A.
  3. C) A is correct but R is wrong.
  4. D) A is wrong but R is correct.
The unit of work is:
  1. A) Joule
  2. B) Newton
  3. C) Watt
  4. D) Dyne