Previous year MCQs

General science UPPSC 2013 GS-I
Question

Which one of the following statements is not correct regarding the amino acid, tyrosine, present in protein rich foods?

Answer & Solution

Answer: (Detailed Solution Below)

Option D: It can protect against free-radicals responsible for ageing.

Detailed Solution:

The correct answer is “It can protect against free-radicals responsible for ageing.”.
Tyrosine is a non-essential amino acid. It can help to increase the level of energy. It can fight sadness and is helpful in dealing with emotional and environmental pressures.

Similar Questions:

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
Which one of the following is not correct?
  1. A) Theory of evolution was propounded by Charles Darwin
  2. B) The breaking apart of the nucleus of an atom is called fusion
  3. C) Dry ice' is nothing but solid carbon dioxide
  4. D) Telephone was invented by Graham Bell
The thermometer suitable to measure 2000 °C is
  1. A) gas thermometer
  2. B) mercury thermometer
  3. C) total radiation pyrometer
  4. D) vapour pressure thermometer
Sodium vapor lamps are used in road lighting because
  1. A) They are cheap
  2. B) Their light is monochromatic and does not scatter when passing through water droplets
  3. C) It's cool for eyes
  4. D) It gives brightness in light
The "Eco Mark" Scheme was launched in 1991 to encourage consumers to buy products of less harmful environment impact. Which one of the following consumer products is not notified under this Scheme?
  1. A) Soaps and Detergents
  2. B) Paper and Plastics
  3. C) Cosmetics and Aerosols
  4. D) Drugs and Antibiotics
Which one of the following is a natural polymer?
  1. A) Bakelite
  2. B) Silk
  3. C) Kevlar
  4. D) Lexan
Consider the following statement about haemoglobin and select the correct answer from the code given below:

1. It contains iron.
2. It imparts red colour to the blood.
3. It provides immunity against certain diseases.
4. It is a career of oxygen in the blood.

Code:
  1. A) 1, 2 and 3
  2. B) 2, 3 and 4
  3. C) 1, 3 and 4
  4. D) 1, 2 and 4
Which one of the following is important strategy for the conservation of biodiversity?
  1. A) Biosphere Reserves
  2. B) Botanical Gardens
  3. C) National Parks
  4. D) Wild Life Sanctuaries
Which one of the following chemicals helps in fruit ripening?
  1. A) Ethephon
  2. B) Atrazine
  3. C) Isoproturan
  4. D) Malathion
What is the source of electric energy in an artificial satellite?
  1. A) Thermopile
  2. B) Solar cells
  3. C) Dynamo
  4. D) Mini nuclear reactor
Which kind of light waves are used in remote control of television:
  1. A) Visible light
  2. B) Infrared
  3. C) X-rays
  4. D) J-rays
In cold countries alcohol is preferred to mercury as a thermometric liquid because:
  1. A) alcohol has a lower freezing point
  2. B) alcohol is a better conductor of heat
  3. C) alcohol is cheaper than mercury
  4. D) the world production of alcohol is greater than that of mercury