Previous year MCQs

General science UPPSC 2014 GS-I
Question

Sleep apnea IS a serious sleep disorder, in which people:

Answer & Solution

Answer: (Detailed Solution Below)

Option C: Briefly and repeatedly stop breathing during sleep.

Detailed Solution:

The correct answer is “Briefly and repeatedly stop breathing during sleep.”.
Sleep apnea is a serious sleep disorder characterized by episodes where a person's breathing stops and starts repeatedly during sleep. This can disrupt sleep, leading to daytime fatigue, difficulty concentrating, and other health problems.

Similar Questions:

Tetraethyl lead (TEL) is added to petrol:
  1. A) To prevent its freezing
  2. B) To increase its flash point
  3. C) To increase anti-knocking rating
  4. D) To increase its boiling point
A man feels unpleasant due to humidity and heat. The reason for this is:
  1. A) More sweating
  2. B) Less sweating
  3. C) Sweat does not evaporate due to humidity
  4. D) Sweat is not formed due to humidity
Acid rain is caused by:
  1. A) cooling of acid vapours reaching the clouds
  2. B) reaction between rain water and carbon dioxide pollutants
  3. C) reaction between cloud water and sulphur dioxide pollutants
  4. D) reaction between water vapours and electric charge during lightning and cloud hursts
Given below are two statements, one labelled as Assertion (A) and the other as Reason (R).

Assertion (A): Most of the vitamins are not synthesised in human body.
Reason (R): Human organ synthesise only essential micronutrients.

Select the correct answer form the code given below.
  1. A) Both (A) & (R) are true & (R) is correct explanation of (A)
  2. B) Both (A) & (R) are true, but (R) is not 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 is not caused by Infected mosquito bite?
  1. A) Plague
  2. B) Yellow Fever
  3. C) Malaria
  4. D) Dengue
Who renovated Sudarshan lake without using forced labour ?
  1. A) Chandragupta Maurya
  2. B) Bindusar
  3. C) Ashoka
  4. D) Rudradaman-I
Which of the following statements is not correct?
  1. A) Air conditioners and air coolers both regulate the temperature
  2. B) Air conditioners and air coolers both regulate the humidity
  3. C) Air condition control humidity but air cooler does not control humidity
  4. D) Both controls the speed of air
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.
The globally programmed "Human Genome Project" deals with:
  1. A) establishment of a society of super-humans
  2. B) identification of races based on apartheid
  3. C) genetic improvement of human races
  4. D) identification and mapping of human genes and gene sequences
Which one of the following metal is not attracted by a magnet:
  1. A) Iron
  2. B) Nickel
  3. C) Cobalt
  4. D) Aluminium
Radar is used for:
  1. A) Detecting objects by using light waves
  2. B) Reflecting sound waves to detect objects
  3. C) Determining the presence and location of objects with radio wave
  4. D) Tracking rain-bearing clouds
After menopause, production of which of the following hormones does not take place in women?
  1. A) Progesterone
  2. B) Testosterone
  3. C) Estrogen
  4. D) None of these