Previous year MCQs

General science UPPSC 2004 GS-I
Question

The radio-isotope used to detect blood clots in the circulatory system is:

Answer & Solution

Answer: (Detailed Solution Below)

Option D: Sodium-24

Detailed Solution:

The correct answer is “Sodium-24”.
Sodium-24 is used for the detection of blood clots.

Similar Questions:

What is that in household dust, that offends asthmatics?
  1. A) Chemicals present with dust
  2. B) Dust inorganic particles
  3. C) Dust mites
  4. D) Moisture of dust
The diamond appears lustrous because of:
  1. A) Reflection
  2. B) Refraction
  3. C) Total Internal Reflection
  4. D) Scattering
What changes will the volume of water show if the temperature is lowered from 9 °C to 3 °C:
  1. A) the volume will not change
  2. B) the volume will first increase and then decrease
  3. C) the volume will first decrease and than increase
  4. D) water will freeze
Match List-I and List-II and select the correct answer from the code given below the lists:
List-I - List-II

A. Sour Milk - 1. Malic acid
B. Vinegar and pickle - 2. Carbonic acid
C. Soda water and cold drinks 3. Acetic acid
D. Apple - 4. Lactic acid

Code:
A B C D
  1. A) 1 2 3 4
  2. B) 4 3 1 2
  3. C) 4 3 2 1
  4. D) 3 4 2 1
Who had proposed for the first time the double helix model of DNA?
  1. A) Watson and Crick
  2. B) Fisher and Haldoni
  3. C) Lam ark and Darwin
  4. D) Hugo de Vries
Match List I with List II and select the correct answer from the code given below:
List-I - List-II

A. Hormone - 1. Lipase
B. Enzyme - 2. Testosterone
C. Phospholipid - 3. Lecithin
D. Polymer - 4. Polyethylene

Code:
A B C D
  1. A) 2 1 3 4
  2. B) 4 1 2 2
  3. C) 2 3 4 2
  4. D) 1 2 3 1
Nobel Peace Prize for 2004 has been awarded to an African national. The person is:
  1. A) a medical practitioner
  2. B) an engineer
  3. C) a social worker
  4. D) an Ecologist
Match list-I with list-II and select the correct answer using the code given below the lists:
List-I (molecules) - List-II (elements present)

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

Code:
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
Which one of the following is a natural polymer?
  1. A) Bakelite
  2. B) Silk
  3. C) Kevlar
  4. D) Lexan
Diffusion of light in the atmosphere takes place due to:
  1. A) Carbon dioxide
  2. B) Dust particles
  3. C) Helium
  4. D) Water vapours
What amongst the following is responsible for formation of stone in human kidney?
  1. A) Calcium acetate
  2. B) Calcium oxalate
  3. C) Sodium acetate
  4. D) Sodium Benzoate
Which of the following is correctly matched?
  1. A) Bombay Stock Exchange: SENSEX
  2. B) National Stock Exchange: NYSE
  3. C) New York Stock Exchange : NIFTY
  4. D) London Stock Exchange: N1KKEL