Loading...
UPSC 2011: Regular intake of fresh fruits and vegetables is recommended in the diet since they are a good source of antioxidants. How do antioxidants help a person maintain health and promote longevity?
(a)They activate the enzymes necessary for vitamin synthesis in the body and help prevent vitamin deficiency
(b)They prevent excessive oxidation of carbohydrates, fats and proteins in the body and help avoid unnecessary wastage of energy
(c)They neutralize the free radicals produced in the body during metabolism
(d)They activate certain genes in the cells of the body and help delay the ageing process
Attempt This Question
Not attemptedCorrect Answer: (c) They neutralize the free radicals produced in the body during metabolism
Antioxidants such as vitamins C and E neutralize highly reactive free-radicals formed during normal metabolism by donating electrons, thereby preventing oxidative damage to lipids, proteins and DNA. This reduction in oxidative stress supports health and longevity, whereas the other options describe actions that antioxidants do not perform.
Related UPSC Questions
More from Health & Diseases
2010easy
Consider the following statements: 1. Hepatitis B is several times more infectious than HIV/AIDS 2. Hepatitis B can cause liver cancer Which of the st
2010easy
Excessive release of the pollutant carbon monoxide (CO) into the air may produce a condition in which oxygen supply in the human body decreases. What
2013easy
Improper handling and storage of cereal grains and oilseeds result in the production of toxins known as aflatoxins which are not generally destroyed b
Frequently Asked Questions
What is the correct answer to this UPSC 2011 Science & Technology question?▼
The correct answer is option (c): They neutralize the free radicals produced in the body during metabolism. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
Which year was this Health & Diseases question asked in UPSC Prelims?▼
This question was asked in UPSC CSE Prelims 2011, GS Paper 1, as Question 91. It falls under Science & Technology > Health & Diseases.
What is the difficulty level of this UPSC question?▼
This question is rated "easy". It tests basic recall and most well-prepared aspirants should answer it correctly.
How many UPSC Prelims questions have been asked from Health & Diseases?▼
UPSC has asked 86 questions from Health & Diseases (under Science & Technology) across multiple years. Visit the topic page to see the full list and year-wise trends.