Previous year MCQs

General science UPPSC 2017 GS-I
Question

Which one of the following organic acids is abundant in grapes, tamarind (इमली) and banana?

Answer & Solution

Answer: (Detailed Solution Below)

Option D: Tartaric acid

Detailed Solution:

The correct answer is “Tartaric acid”.
Organic Acid Sources
Tartaric acid Grapes, Tamarind
Citric acid Citrus fruits (lemons, oranges), Grapes (to some extent)
Acetic acid Vinegar
Lactic acid Fermented foods, Dairy products

Similar Questions:

Match List - I with List - II and select the correct answer using the codes given below the lists:
List - I (Substance) - List - II (Use)

A. Blue Vitriol - 1. Artificial rain
B. Eosin - 2. Fungicide
C. Silver iodide - 3. Red ink
D. Zinc phosphide - 4. Rodenticide
  1. A) 2 3 4 1
  2. B) 2 1 3 4
  3. C) 2 3 1 4
  4. D) 2 4 1 3
Which one of the following is not infotech terminology?
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  2. B) upload
  3. C) optical storage
  4. D) modem
If an apple is released from an orbiting spaceship, it will
  1. A) Fall towards the Earth
  2. B) Move at a lower speed
  3. C) Move along with the spaceship at the same speed
  4. D) Move at a higher speed
In Three pin electric plug longest pin should be connected with:
  1. A) Earth end
  2. B) Live end
  3. C) Neutral end
  4. D) Any end
Statement (A): The signal of danger is made of red colour.
Reason (R): The scattering of red is least

Select the right answer with the help of 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
In which of the following types of heat engines carburettor is used ?
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  2. B) Steam engine
  3. C) Petrol engine
  4. D) Diesel engine
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  2. B) Dengue
  3. C) Chikungunya
  4. D) Japanese Encephalitis
The most toxic metal pollutant of auto mobile exhaust is
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  2. B) Lead
  3. C) Cadmium
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The normal temperature of human body is:
  1. A) 98.4°F
  2. B) 98°F
  3. C) 98.8°F
  4. D) None of the above
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  2. B) tin
  3. C) chromium
  4. D) aluminium
Which of the following pairs is not correctly matched?
  1. A) Hector Munro – Battle of Buxar
  2. B) Lord Hastings – Anglo Nepal War
  3. C) Lord Wellesley – Fourth Anglo Mysore War
  4. D) Lord Cornwallis – Third Anglo Maratha War
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