General science UPPSC 2000 GS-I
Question

Which one of the following salts contributes maximum to the salinity of sea water?

Answer & Solution

Answer: (Detailed Solution Below)

Option D: Sodium chloride

Detailed Solution:

The correct answer is “Sodium chloride”.

Sodium chloride, or common salt, is the most abundant salt in seawater, making up about 85% of the salt in the ocean.

Similar Questions:

The difference between nuclear reactor and atom bomb is that:
  1. There is no chain reaction in nuclear reactor where as this happens in atom bomb
  2. The chain reaction in nuclear reactor is controlled
  3. The chain reaction in nuclear reactor is not controlled
  4. Atom bomb is based on nuclear fusion whereas in nuclear reactor, nuclear fission occurs
The important metal used with iron to produce stainless steel is:
  1. aluminium
  2. chromium
  3. tin
  4. carbon
Assertion (A): India has experienced a phenomenal growth of Population since 1951.
Reason (R): 1951 is called the demographic divide in India's demographic history.
Codes:
  1. Both A and R are true and R is the correct explanation of A
  2. Both A and R are true but R is not the correct explanation of A
  3. A is true but R is false
  4. A is false but R is true
Mahatma Gandhi left Bombay for London to participate in the Second Round Table Conference as a Congress representative in the ship known as:
  1. S.S. Rajputana
  2. S.S. Viceroy of India
  3. S.S. Mooltan
  4. S.S. Conte Rosso
Match List-I with List-II and select the correct answer from the codes given below the lists:
List-I Pollutants - List-II Effects

A. Carbon monoxide - 1. Damage to liver and kidney
B. Oxides of Nitrogen - 2. Cancer
C. Soil particles - 3. Ailments related to breathing
D. Lead - 4. Central nervous system

Code:
A B C D
  1. 2 3 4 1
  2. 4 3 2 1
  3. 1 2 3 4
  4. 3 4 1 2
Which color combination is best suited for umbrella to protect from sunlight (stinter)?
  1. White on the upper and black in the inner side
  2. Black on the upper and white in the inner side
  3. Only black
  4. Only white
Golden rice is a rich source of:
  1. Fat
  2. Protein
  3. Vitamin A
  4. Vitamin B
Consider the following statements about haemoglobin:

1) It carries oxygen in the blood.
2) It is iron containing compound.
3) It provides immunity against certain disease.
4) It imparts red colour to the blood.

The correct statements out of these are:
  1. 1,2 and 3
  2. 2, 3 and 4
  3. 1, 3 and 4
  4. 1, 2 and 4
Which one of the following is NOT an example of bio-mass energy source?
  1. Coal
  2. Nuclear energy
  3. Gobar (Dung)
  4. Wood
"Euro norms" are meant for:
  1. regulating vehicular speed
  2. classifying size of the vehicle
  3. regulating vehicular emission of harmful gases
  4. specifying power of the engine
The bacteria responsible for fixing nitrogen in Soyabean is:
  1. Rhizobium Leguminoserum
  2. Rhizobium japonicum
  3. Rhizobium phaseoli
  4. Rhizobium trifolii
Which one of the following reflects back more sunlight as compared to the other three?
  1. Sand desert
  2. Paddy crop land
  3. Land covered with fresh snow
  4. Prairie Plain