Previous year MCQs

General science UPPSC 2009 GS-I
Question

Which one of the following parts of Mentha possesses maximum oil percentage?

Answer & Solution

Answer: (Detailed Solution Below)

Option C: Leaf

Detailed Solution:

The correct answer is “Leaf”.

The part of Mentha (mint) that possesses the maximum oil percentage is Leaf.

Similar Questions:

Which one of the following liquids is very good conductor of heat?
  1. A) Mercury
  2. B) Water
  3. C) Ether
  4. D) Benzene
A 'smart gel' is a:
  1. A) material mimicking life system
  2. B) gel obtained from fish
  3. C) gel obtained from the sea weed
  4. D) none of the above
Which of the following leguminous plant is also a petro-plant?
  1. A) Pigeon-pea
  2. B) Pea
  3. C) Gram
  4. D) Pongam
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
The gas which emits for rice field is
  1. A) Ethane
  2. B) Methane
  3. C) Nitrogen
  4. D) All of the above
Which one of the following gases, released from bio-gas plant is used as a fuel gas?
  1. A) Butane
  2. B) Propane
  3. C) Methane
  4. D) Ethane
Match List-I with List-II and select the correct answer by using the codes given below the lists:
List-I List-II

A. Non-cooperation Movement - 1. 1942
B. Civil Disobedience Movement - 2. 1937
C. Formation of Congress Ministries - 3. 1930
D. Quit India Movement - 4. 1920

Code:
A B C D
  1. A) 1 2 3 4
  2. B) 4 3 2 1
  3. C) 2 1 4 3
  4. D) 3 4 1 2
Assertion (A): Coal based thermal power stations contribute to acid rains.
Reason (R): Oxides of carbon are emitted when coal burns.

Select the correct answer using the code given below:
Code:
  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
With which of the following is the tape of the tape recorder coated?
  1. A) Copper sulphate
  2. B) Ferromagnetic powder
  3. C) Zinc oxide
  4. D) Mercury
Which of the following material is bio-degradable ?
  1. A) Glass bottle
  2. B) Plastic cups
  3. C) Aluminium foil
  4. D) Wool
Cryogenic engine is used for
  1. A) Boeing
  2. B) As a fast rail engine
  3. C) In space shuttle
  4. D) In Nuclear furnace
Which of the following Gas has highest percentage in atmosphere?
  1. A) Carbon
  2. B) Nitrogen
  3. C) Oxygen
  4. D) Hydrogen