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2010 · Q126Science & TechnologyHealth & Diseaseseasy

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 causes this condition ?

  1. (a)When inhaled into the human body, CO is converted into CO₂
  2. (b)The inhaled CO has much higher affinity for haemoglobin as compared to oxygen
  3. (c)The inhaled CO destroys the chemical structure of haemoglobin
  4. (d)The inhaled CO adversely affects the respiratory centre in the brain
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Official answer(b) The inhaled CO has much higher affinity for haemoglobin as compared to oxygen

2022 · Q39Science & TechnologyHealth & Diseasesmoderate

In the context of vaccines manufactured to prevent COVID-19 pandemic, consider the following statements : 1. The Serum Institute of India produced COVID-19 vaccine named Covishield using mRNA platform. 2. Sputnik V vaccine is manufactured using vector based platform. 3. COVAXIN is an inactivated pathogen based vaccine. Which of the statements given above are correct ?

  1. (a)1 and 2 only
  2. (b)2 and 3 only
  3. (c)1 and 3 only
  4. (d)1, 2 and 3
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Official answer(b) 2 and 3 only