Previous year MCQs

General science UPPSC 2006 GS-I
Question

Consider the following statements and give the answer with the help of codes given below:

Assertion (A): Only one side of the moon's surface is visible from the earth.
Reason (R): The period of rotation of the moon on its axis is equal to the period of its revolution round the earth.

Code:

Answer & Solution

Answer: (Detailed Solution Below)

Option A: Both A and R are correct and R is the correct explanation of A.

Detailed Solution:

The correct answer is “Both A and R are correct and R is the correct explanation of A. ”.
We can see only one side of the Moon from the Earth because the Moon rotates on its axis at the same rate that the Moon orbits the Earth.

Similar Questions:

The most toxic metal pollutant of auto mobile exhaust is
  1. A) Copper
  2. B) Lead
  3. C) Cadmium
  4. D) Mercury
The Finance Commission is primarily concerned with recommending to the President about:
  1. A) The principle governing grants-in-aid to be given to the states
  2. B) Distributing the net proceeds of the taxes between the centre and the states
  3. C) Niether (1) nor (2)
  4. D) Both (1) and (2)
As per recent nuclear agreement signed by George W. Bush, President of USA and Dr. Man Mohan1 Singh, Prime Minister of India, the number of nuclear reactors which India has agreed to open up for inspection by International Atomic Energy Agency is:
  1. A) 10
  2. B) 12
  3. C) 14
  4. D) 16
The most commonly used substance in fluorescent tubes are
  1. A) sodium oxide and argon
  2. B) sodium vapour and neon
  3. C) mercury vapour and argon
  4. D) mercuric oxide and neon
Consider the following statements:

Assertion (A): Space Based Solar Power (SBSP) is considered to be made a national goal.
Reason (R): Supply of SBSP is 99% uninterrupted throughout the year, besides the enormity of energy availability.

Select the correct answers from the codes given below:
Codes:
  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 of A.
  3. C) A is true, but R is false.
  4. D) A is false, but R is true.
Match List-I with List-II and select the correct answer from the codes given below the lists:
List-I List-II

A. Plague - 1. Protozoa
B. AIDS - 2. Fungus
C. Baldness - 3. Virus
D. Malaria - 4. Bacteria

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 2 1
Cholestrol is
  1. A) an insecticide
  2. B) a vitamin
  3. C) a steroid
  4. D) an enzyme
Which of the following hormones is secreted by the Beta cell of Islet of Langerhans of Pancreas?
  1. A) Glucagan
  2. B) Adrenalin
  3. C) Insulin
  4. D) Aldosterone
The number of images of an object placed between two parallel mirrors is:
  1. A) Two
  2. B) One
  3. C) Six
  4. D) Infinite
Relative humidity of atmosphere is measured by:
  1. A) Hydrometer
  2. B) Hygrometer
  3. C) Potentiometer
  4. D) Lactometer
Which of the following is correct?
  1. A) All the blood in the body is absorbed through the kidneys
  2. B) All the blood in the body passes through the kidneys
  3. C) All the blood in the body is filtered through the kidneys
  4. D) All the blood in the body is made through the kidneys
Which one of the following atmospheric change takes place due to the greenhouse effect?
  1. A) Increase in carbon dioxide concentration in the atmosphere
  2. B) Increase in humidity in the atmosphere
  3. C) Increase in biological population
  4. D) Increase in wind speed