Previous year MCQs

General science UPPSC 2013 GS-I
Question

What type of electromagnetic radiation is used in the remote control of a television?

Answer & Solution

Answer: (Detailed Solution Below)

Option A: Infrared

Detailed Solution:

The correct answer is “Infrared”.
Infrared radiation is used in the remote control of a television.

Similar Questions:

Which among the following is not correctly matched?
  1. A) Nathu la - Arunachal Pradesh
  2. B) Lipulekh - Uttarakhand
  3. C) Rohtang - Himachal Pradesh
  4. D) Palghat - Kerala
The disease caused due to deficiency of iron is known as:
  1. A) Colour-blindness
  2. B) Night-blindness
  3. C) Anaemia
  4. D) Tuberculosis
The cause of sweetness in the milk is because of the presence of:
  1. A) Micros
  2. B) Lactose
  3. C) Sucrose
  4. D) Carotin
Match lists-I and List-II and select the correct answer from the code given below:
List-I (Physical Quantities) - List-II (Units)

A. Acceleration - 1. Joule
B. Force - 2. Newton-second
C. Work done - 3. Newton
D. Impulse - 4. Metre/Second2

Code:
A B C D
  1. A) 1 2 3 4
  2. B) 2 3 4 1
  3. C) 3 4 1 2
  4. D) 4 3 1 2
With reference to the electric potential which of the following statements is/are correct?

1. It is a scalar quantity.
2. It is a vector quantity.

Select the correct answer using the codes given below.
Codes :
  1. A) Only 1
  2. B) Only 2
  3. C) Both 1 and 2
  4. D) Neither 1 nor 2
I.C. chips for computers are usually made of:
  1. A) leaf
  2. B) chromium
  3. C) silicon
  4. D) gold
Spring Tide occurs:
  1. A) When the sun and moon are in a straight line
  2. B) When the sun and moon make a right angle
  3. C) When a strong wind blows
  4. D) When the night is very cold
Diabetes is the most common disorder associated with:
  1. A) Kidney
  2. B) Gall bladder
  3. C) Liver
  4. D) Pancreas
Which of the following is used in Genetic-Engineering?
  1. A) Plastid
  2. B) Plasmid
  3. C) Mitochondria
  4. D) Ribosome
Lahore Session of Muslim League (1940) was presided over by
  1. A) Liaqat Ali Khan
  2. B) Chaudhary Khaliquzzaman
  3. C) Mohammad Ali Jinah
  4. D) Fatima Jinah
What is the source of electrical energy in an artificial satellite?
  1. A) Solar cells
  2. B) Mini nuclear reactor
  3. C) Dynamo
  4. D) Thermopile
Biological resurfacing is a recent surgical technique used to treat problems of:
  1. A) Knee joints
  2. B) Ankle joints
  3. C) Hip joints
  4. D) Vertebral joints