Previous year MCQs

General science UPPSC 2003 GS-I
Question

The essential element in all organic compounds is:

Answer & Solution

Answer: (Detailed Solution Below)

Option C: Carbon

Detailed Solution:

The correct answer is “Carbon”.
The essential element in all organic compounds is: (3) Carbon

Similar Questions:

"Chilgoza" is obtained from the seeds of a species of:
  1. A) Pine
  2. B) Palm
  3. C) Cycus
  4. D) Deodar
Which one of the following is not an explosive matter?
  1. A) Trinitro toluene
  2. B) Dinitro glycerine
  3. C) Cyclo Trimethylene trinitrarmine
  4. D) Nitrochloroform
Consider the following cities on the Western coast of India:

1. Janjira
2. Kannur
3. Nagarcoil
4. Sindhudurg

The correct sequence of these cities from North to South is:

Code:
A B C D
  1. A) 1 2 3 4
  2. B) 2 1 3 4
  3. C) 1 2 4 3
  4. D) 1 4 2 3
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
Bhopal Gas Tragedy was caused due to the leakage of:
  1. A) Methyl Isocynate
  2. B) Nitrogen dioxide
  3. C) Sulphur dioxide
  4. D) Carbon monoxide
Which of the following food materials contains all essential amino acids?
  1. A) Rice
  2. B) Milk
  3. C) Wheat
  4. D) Soyabean
The book 'A Brief History of Time' has been written by whom?
  1. A) Stephen Hawking
  2. B) J.V. Narlikar
  3. C) C.V. Raman
  4. D) S. Bose
Harmful ultra-violet radiation coming from the sun can cause:
  1. A) Liver cancer
  2. B) Brain cancer
  3. C) Oral cancer
  4. D) Dermal cancer
When the TV is switched ON then:
  1. A) Both audio and visuals start simultaneously
  2. B) The audio is heard immediately but the video is visible later because the video needs some practice time
  3. C) The visual starts immediately but audio is heard later because the sound travels less than the speed of light
  4. D) It depends on the brand of TV
Pyrometer is used for measuring:
  1. A) Air Pressure
  2. B) Humidity
  3. C) High Temperature
  4. D) Intensity of Earthquake
Which one of the following salts contributes maximum to the salinity of sea water?
  1. A) Calcium sulphate
  2. B) Magnesium chloride
  3. C) Magnesium sulphate
  4. D) Sodium chloride
Match the two lists-I and II with regard to bird sanctuaries in Uttar Pradesh and find the correct answer from the code given below:
List-I - List-II

A. Nawabganj bird sanctuary - 1. Gonda
B. Okhiabird sanctuary - 2. Unnao
C. Samaspur birds sanctuary - 3. Ghaziabad
D. Parvati Aranga bird sanctuary - 4. Rae Bareli

Code:
A B C D
  1. A) 2 4 3 1
  2. B) 2 3 4 1
  3. C) 4 3 1 2
  4. D) 3 4 2 1