Previous year MCQs

General science UPPSC 2003 GS-I
Question

The radar is used for:

Answer & Solution

Answer: (Detailed Solution Below)

Option C: determining the position of objects by radio waves

Detailed Solution:

The correct answer is “determining the position of objects by radio waves”.
The radar is used for: (3) determining the position of objects by radio waves

Similar Questions:

Study of Zoology deals with:
  1. A) Living animals only
  2. B) Living plants only
  3. C) Both living and dead animals
  4. D) Both living and dead plants
Most of the sources of energy we use, represent stored solar energy. Which of the following is NOT ultimately derived from the sun’s energy?
  1. A) Biomass energy
  2. B) Nuclear energy
  3. C) Wind energy
  4. D) Geothermal energy
The 'Green Revolution' involved the use of high yielding varieties of seeds which required:
  1. A) Less fertilizer and less water
  2. B) More fertilizer and less water
  3. C) Less fertilizer and more water
  4. D) More fertilizer and more water
Match List-I with List-II and select the correct answer by using the codes given below the lists:
List-I List-II

A. LED - 1. 'Bubble boy' Syndrome
B. LCD - 2. Bird disease
C. SARS - 3. Cost-effective light source
D. SCID - 4. Popular and effective mobile screen

Code: A B C D
  1. A) 2 3 1 2
  2. B) 4 3 2 1
  3. C) 1 2 4 3
  4. D) 3 4 2 1
Ultra-violet radiation from sun light causes the reaction that produce which of the following?
  1. A) CO
  2. B) SO2
  3. C) O3
  4. D) Fluorides
Salk's vaccine is connected with which one of the following diseases?
  1. A) Small pox
  2. B) Tetanus
  3. C) T.B.
  4. D) Polio
The substances present at the centre of the sun are in:
  1. A) solid, liquid and gaseous states
  2. B) liquid state only
  3. C) gaseous state only
  4. D) both liquid and gaseous states
Triple antigen is given to a child to prevent:
  1. A) Polio, smallpox, diphtheria
  2. B) Diphtheria, whooping cough, tetanus
  3. C) Smallpox, whooping cough, tetanus
  4. D) Polio, tetanus, whooping cough
Solder is an alloy of
  1. A) tin an lead
  2. B) tin and copper
  3. C) tin, copper and zinc
  4. D) tin, lead and zinc
In Celsius and Fahrenheit thermometers, the two show equal readings of temperature at:
  1. A) – 40°
  2. B) 0º
  3. C) 32°
  4. D) 100°
The age of the tree can be determined from the
  1. A) Counting of leaves on the tree
  2. B) Counting the number of rings on its stem
  3. C) Counting the branches on the tree
  4. D) Measurement of its height
Korba in Madhya Pradesh is known for:
  1. A) Aluminium industry
  2. B) Copper ore
  3. C) Mica
  4. D) Steel plant