With reference to 'fly ash' produced by the power plants using coal as fuel, which of the following statements is/are correct?

1. Fly ash can be used in the production of bricks for building construction.
2. Fly ash can be used as a replacement for some of the Portland cement concrete.
3. Fly ash is made up of silicon dioxide and calcium oxide only, and does not contain any toxic elements.

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Among the following, which were frequently mentioned in the news for the outbreak of Ebola virus recently?

With reference to Rowlatt Satyagraha, which of the following statements is/ are correct?

1. The Rowlatt Act was based on the recommendations of the 'Sedition Committee'.
2. In Rowlatt Satyagraha, Gandhiji tried to utilize the Home Rule League.
3. Demonstrations against the arrival of Simon Commission coincided with Rowlatt Satyagraha.

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Consider the following pairs:

Place of Pilgrimage       Location

1. Srisailam         :   Nallamala Hills
2. Omkareshwar   :   Satmala Hills
3. Pushkar          :    Mahadeo Hills

Which of the above pairs is/are correctly matched?

What explains the eastward flow of the equatorial counter-current?

With reference to the International Union for Conservation of Nature and Natural Resources (IUCN) and the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES), which of the following statements is/are correct?

1. IUCN is an organ of the United Nations and CITES is an international agreement between governments.
2. IUCN runs thousands of field projects around the world to better manage natural environments.
3. CITES is legally binding on the States that have joined it, but this Convention does not take the place of national laws.

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