Previous year MCQs

General science UPPSC 2003 GS-I
Question

Which acid is used in photography:

Answer & Solution

Answer: (Detailed Solution Below)

Option B: Oxalic acid

Detailed Solution:

The correct answer is “Oxalic acid”.
The acid used in photography is: (2) Oxalic acid

Similar Questions:

Match List - I with List - II and select the correct answer from the codes given below:

List - I - List-II
A. Vitamin B12 - 1. Magnesium
B. Haemoglobin - 2. Cobalt
C. Chlorophyll - 3. Copper
D. Brass - 4. Iron

Codes:
A B C D
  1. A) 2 4 1 3
  2. B) 2 1 3 4
  3. C) 4 1 2 3
  4. D) 3 4 2 1
The "blue moon" phenomenon occurs:
  1. A) When two full moons occur in the same month
  2. B) When four full moons appear in two consecutive months of the same calendar year.
  3. C) when two full moons appear in the same month thrice in a calendar year
  4. D) None of the above.
The cause of sweetness in the milk is because of the presence of:
  1. A) Micros
  2. B) Lactose
  3. C) Sucrose
  4. D) Carotin
The dengue fever is caused by the bite of which of the following mosquitoes ?
  1. A) Asian tiger mosquito
  2. B) Aedes
  3. C) Culex
  4. D) Anopheles
Given below are two statements, one labelled as:

Assertion (A): Human body synthesises all the vitamins required by it.
Reason (R): Vitamins are essential for proper growth of the body.

Select the correct answer from the codes give below:
  1. A) Both (A) and (R) are true and (R) is the correct explanation of (A)
  2. B) Both (A) and (R) re 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
Diabetes is the most common disorder associated with:
  1. A) Kidney
  2. B) Gall bladder
  3. C) Liver
  4. D) Pancreas
'Cloves' are:
  1. A) nodules of stem
  2. B) leaves
  3. C) nodules of roots
  4. D) dried flowers
Which one of the following gases is not a green house gas?
  1. A) CO2
  2. B) NO2
  3. C) CH4
  4. D) O2
The recipient of the Magsaysay Award-2003 is:
  1. A) L.M.Shingvi
  2. B) J.M. Lyndon
  3. C) V.N. Khare
  4. D) Yashwant Sinha
Cryogenic engines are used in
  1. A) Rockets
  2. B) Atomic reactors
  3. C) Defrost refrigerators
  4. D) Doing research connected with superconductivity
Dinosaurs were:
  1. A) Cenozoic reptiles
  2. B) Mesozoic birds
  3. C) Palaeozoic amphibia
  4. D) Mesozoic reptiles
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