Previous year MCQs

General science UPPSC 2003 GS-I
Question

Dinosaurs were:

Answer & Solution

Answer: (Detailed Solution Below)

Option D: Mesozoic reptiles

Detailed Solution:

The correct answer is “Mesozoic reptiles”.
Dinosaurs were Mesozoic reptiles that lived during a period of Earth's history called the Mesozoic era. While they share some characteristics with other groups of animals like amphibians and birds, they are classified as reptiles because of their scaly skin, egg-laying, and cold-bloodedness.

Similar Questions:

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
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
An artificial satellite can be tracked very precisely from the earth by using:
  1. A) Doppler effect
  2. B) Radar
  3. C) Sonar
  4. D) Pulsar
Solar energy is converted into electric energy through
  1. A) Dry cells
  2. B) Leclanche cells
  3. C) Voltaic cells
  4. D) Photo voltaic cells
Which one of the following chemicals helps in fruit ripening?
  1. A) Ethephon
  2. B) Atrazine
  3. C) Isoproturan
  4. D) Malathion
The pathogen responsible for common cold is:
  1. A) Orthomixo virus
  2. B) Rhino virus
  3. C) Leukaemia virus
  4. D) Polio virus
Which one of the following is associated with 'Albedo'?
  1. A) Transmitting power
  2. B) Absorbing power
  3. C) Emissive power
  4. D) Reflecting power
In South-East Asia, of the following the only land locked country is:
  1. A) Cambodia
  2. B) Laos
  3. C) Malaysia
  4. D) Thailand
Which one of the following pairs is not correctly matched?
  1. A) Discovery of Meson – Hideki Yukawa
  2. B) Discovery of positron – C.D. Anderson & U.F. Hess
  3. C) Theory of energy production – H.A. Bethe in the sun and stars
  4. D) Synthesis of transuranic elements – Enrico Fermi
2, 4-D is:
  1. A) an insecticide
  2. B) an explosive
  3. C) a fungicide
  4. D) a herbicide
Which of these is not a colloid:
  1. A) Milk
  2. B) Blood
  3. C) Ice-cream
  4. D) Honey
Consider the following statements:

Assert ion (A): Earnest Rutherford asserted before the Royal Society that man will never get nuclear power.
Reason (R): He was sure that Einstein's law will fail and mass will not be converted into energy.

Select your answer from the coding scheme given below:
  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
  3. C) (A) is true and (R) is false
  4. D) (A) is false but (R) is true