General science UPPSC 2008 GS-I
Question

Radar is used mainly for:

Answer & Solution

Answer: (Detailed Solution Below)

Option C: determining the presence and location of objects with radio waves

Detailed Solution:

The correct answer is “determining the presence and location of objects with radio waves”.

Radar, or Radio Detection and Ranging, is used to determine the presence and location of objects using radio waves. It can also determine the range, angle, and velocity of objects.

Similar Questions:

Consider the following statements about haemoglobin and select the correct answer from the code even below:

1. It contains iron
2. It imparts red colour to the blood
3. It provides immunity against certain diseases
4. It is a carrier of oxygen in blood

Code:
  1. 1, 2 and 3
  2. 2, 3 and 4
  3. 1, 2 and 4
  4. 1, 2, 3 and 4
Which one of the following pair is NOT correctly matched ?
  1. Neoprene – Specialized rubber
  2. Aspartame – Synthetic sweetener
  3. Oxytocin – Hormone
  4. Rayon – Modified starch
Which one of the following is not related with space terminology?
  1. Telemetering
  2. Weightlessness
  3. Cislunar
  4. Byte
The main constituent of honey is:
  1. glucose
  2. sucrose
  3. maltose
  4. fructose
Sleep apnea IS a serious sleep disorder, in which people:
  1. Walk during sleep without knowing what he or she is doing.
  2. Sleep with eyelids half open.
  3. Briefly and repeatedly stop breathing during sleep.
  4. Make loud snoring sound while a sleep.
Of the two bulbs in a house, one glows brighter than the other. Which of the following statements is correct?
  1. The brightness does not depend on resistance
  2. Both the bulbs have the same resistance
  3. The brighter bulb has larger resistance
  4. The dimmer bulb has larger resistance.
Which one of the following diseases is not transmitted by tiger mosquitoes?
  1. Yellow fever
  2. Dengue
  3. Chikungunya
  4. Japanese Encephalitis
When the TV is switched ON then:
  1. Both audio and visuals start simultaneously
  2. The audio is heard immediately but the video is visible later because the video needs some practice time
  3. The visual starts immediately but audio is heard later because the sound travels less than the speed of light
  4. It depends on the brand of TV
Match List-I with List-II and select the correct answer from the codes given below the lists:
List-I (Ancient Janpads of U.P.) - List-II (Capitals)

A. Kuru - 1. Saket
B. Panchal - 2. Kaushambi
C. Kosala - 3. Ahichatra
D. Vatsa - 4. Indraprashtha

Code:
A B C D
  1. 1 2 3 4
  2. 4 3 1 2
  3. 3 4 2 1
  4. 4 2 3 1
Match List-I with List-II and select the correct answer from the code given below the lists:
List-I (Air Pollutant) - List-II (Part affected)

A. Asbestos dust - 1. Brain
B. Lead - 2. Stomach
C. Mercury - 3. Lung
D. Carbon Monoxide - 4. Blood stream

A B C D
  1. 1 2 3 4
  2. 3 1 2 4
  3. 2 3 4 1
  4. 4 3 2 1
When water is filled in a bottle and allowed to freeze, the bottle breaks because:
  1. Water expands on freezing
  2. Bottle contracts at freezing point
  3. Temperature outside the bottle is more than inside
  4. Water expands on heating
After cutting cucumber if salt is added, then water comes out due to:
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  2. Passive transport
  3. Osmosis
  4. Diffusion