Consider the following:

1. Pyroclastic debris
2. Ash and dust
3. Nitrogen compounds
4. Sulphur compounds
   How many of the above are products of volcanic eruptions?

Consider the following aircraft:

1. Rafael
2. MiG-29
3. Tejas MK-1
   How many of the above are considered fifth-generation fighter aircraft?

Consider the following:

1. Cashew
2. Papaya
3. Red sanders
   How many of the above trees are actually native to India?

Consider the following pairs:

1. North Kivu and Ituri - War between Armenia and Azerbaijan
2. Nagorno-Karabakh - Insurgency in Mozambique
3. Kherson and Zaporizhzhia - Dispute between Israel and Lebanon
   How many of the above pairs are correctly matched?

Consider the following statements:

1. If the election of the President of India is declared void by the Supreme Court of India, all acts done by him/her in the performance of duties of his/her office of President before the date of decision become invalid.
2. Election for the post of the President of India can be postponed on the ground that some Legislative Assemblies have been dissolved and elections are yet to take place.
3. When a Bill is presented to the President of India, the Constitution prescribes time limits within which he/she has to declare his/her assent.
   How many of the above statements are correct?