31 Year NEET Previous Year Questions: Chemistry in Everyday Life


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Attempt 31 Year NEET Previous Year Questions: Chemistry in Everyday Life | 10 questions in 22 minutes | Mock test for NEET preparation | Free important questions MCQ to study Topic-wise MCQ Tests for NEET for NEET Exam | Download free PDF with solutions
QUESTION: 1

Commonly used antiseptic 'Dettol' is a mixture of               [1996]

Solution:
  • One of the most known antiseptic, dettol is a mixture of terpineol and chloroxylenol.
  • These two ingredients make Dettol an effective antiseptic and disinfectant that kills bacteria.
     

QUESTION: 2

Which one of the following can possibly be used as an analgesic without causing addiction and mood modification? [1997]

Solution:

N-acetyl-para-aminophenol(or paracetamol) is an antipyretic which can also be used as an Analgesic to relieve pain without addiction and mood modification.

QUESTION: 3

Which of the following is water-soluble? [2007]

Solution:
  • B−complex (vitamins B group) is a water-soluble vitamin.
  • Also, vitamin C is a water-soluble vitamin.
  • Vitamin A, D, E and K are fat-soluble vitamins.
QUESTION: 4

Which one of the following is employed as a tranquilizer? [2009]

Solution:

Tranquillizers are chemicals that reduce anxiety and mental tension. They are sometimes called psychotherapeutic drugs.
Example: Equanil, valium and serotonin 

However,  Naproxen is analgesic, while tetracycline and chlorpheniramine are antibiotics.

QUESTION: 5

Which one of the following is employed as a tranquilizer drug? [2010]

Solution:
  • Tranquillizers are chemicals that reduce anxiety and mental tension.
  • They are sometimes called psychotherapeutic drugs. 
  • Example: Equanil, valium and serotonin. 

Valium is a tranquilizer drug. It is mainly used to treat anxiety, insomnia, and symptoms of acute alcohol withdrawal. It acts by enhancing the effects of gamma-aminobutyric acid (GABA) in the brain.

QUESTION: 6

Which one of the following is employed as Antihistamine? [2011]

Solution:
  • Diphenyl hydramine is employed as an antihistamine.
  • Other antihistamines used are ranitidine, cimetidine, terfenadine, brompheniramine etc. 
  • These drugs prevent the interaction between histamine and receptors in the stomach wall, releasing less amount of acid.
QUESTION: 7

Which of the following is not a fat soluble vitamin? [2011]

Solution:
  • Vitamin A, D, E and K are fat-soluble vitamins.
  • B−complex (vitamins B group) is a water-soluble vitamin.
  • Also, vitamin C is a water-soluble vitamin.
QUESTION: 8

​Chloroamphenicol is an : [2012 M]

Solution:

Chloramphenicol is a broad-spectrum antibiotic, and thus, can be used against a large number of gram-positive and gram-negative bacteria.

Additional Information: broad-spectrum antibiotic is an antibiotic that acts on the two major bacterial groups, Gram-positive and Gram-negative, or any antibiotic that acts against a wide range of disease-causing bacteria 

 

QUESTION: 9

Antiseptics and disinfectants either kill or prevent the growth of microorganisms. Identify which of the following statements is not true:[NEET 2013]

Solution:
  • A 0.2% solution of phenol is an antiseptic while 1% solution acts as a disinfectant.
  • Chlorine and Iodine are used as strong disinfectants.
  • A dilute solution of boric acid is an antiseptic used to wash eyes and hydrogen peroxide is a disinfectant.
  • Disinfectants harm the living tissues.

Hence, statement C is not true. 

QUESTION: 10

Dettol is the mixture of [NEET Kar. 2013]

Solution:
  • One of the most known antiseptic, dettol is a mixture of terpineol and chloroxylenol.
  • These two ingredients make Dettol an effective antiseptic and disinfectant that kills bacteria.
     

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