UPSC General Science MCQs – 02 4

Chemically, bleaching powder is [UPSC 2008]

Chemically, lime water is [UPSC 2008]

Chlorination is a process used for water purification. The disinfecting action of chlorine is mainly due to [UPSC 2010 (CS-P)]

Consider the following statements:
1. Biodiversity is normally greater in the lower latitudes as compared to the higher latitudes.
2. Along the mountain gradients, biodiversity is normally greater in the lower altitudes as compared to the higher altitudes.
Which of the statements given above is/are correct? [UPSC 2011 (CS-P)]

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 statement given above is/are correct? [UPSC 2010 (CS-P)]

Consider the following statements:
1. Every individual in the population is equally susceptible host for Swine Flu.
2. Antibiotics have no role in the primary treatment of Swine Flu.
3. To prevent the future spread of Swine Flu in the epidemic area, the swine (pigs) must all be culled.
Which of the statement given above is/are correct? [UPSC 2010 (CS-P)]

With reference to the treatment of cancerous tumors, a tool called cyber knife has been making the news. In this context, which one of the following statements is not correct? [UPSC 2010 (CS-P)]

Consider the following which can be found in the ambient atmosphere: 
1. Soot
2. Sulphur hexafluoride
3. Water vapour
Which of the above contribute to the warming up of the atmosphere? [UPSC 2010 (CS-P)]

Consider the following: 
1. Carbon dioxide
2. Oxides of Nitrogen
3. Oxides of Sulphur
Which of the above is/are the emission/emissions from coal combustion at thermal power plants? [UPSC 2011 (CS-P)]

Consider the following: 
1. Photosynthesis 
2. Respiration 
3. Decay of organic matter 
4. Volcanic action
Which of the above add carbon dioxide to the carbon cycle on Earth? UPSC 2011 (CS-P)