Statement 1 is incorrect while statement 2 is correct.
India has consistently maintained trade surplus in the agricultural products over the years. The export of Agri and allied commodities during Apr, 2020 – Feb,2021 were Rs. 2.74 lakh Crore as compared to Rs. 2.31 Crore in the same period last year indicating an increase of 18.49%.
The imports of Agri and allied commodities during April, 2020 – Feb, 2021 were Rs. 1.41lakh Crore as compared to Rs. 1.37 lakh Crore in the same period last year witnessing a slight increase of 2.93%.
India has witnessed tremendous growth of 727 % for Wheat export.

Both the statements are correct.
India is ranked at 142 out of 180 countries on the World Press Freedom Index 2021.
India at 142th position is same as last year, after it had consistently slid down from 133 in 2016. In the South Asian neighbourhood, Nepal is at 106, Sri Lanka at 127, Myanmar (before the coup) at 140, Pakistan at 145 and Bangladesh at 152.
The index is published by the international journalism not-for profit body, Reporters Without Borders (RSF).
China is ranked 177, and is only above North Korea at 179 and Turkmenistan at 178.

Statements 1 and 3 are correct.
Causes of Battle of Buxar –
• Misuse of dastak.
• Tax evasion by private traders
• Sale of dastak to Indian merchants for illegal profits.
• Political and internal interference.
• Continuous unwanted surveillance by British resident.
• Modernization of army and establishment of modern arms factory at Mungher and many other places.
• Abolition of all duties on internal trade by Mir Qasim.
Statement 2 is incorrect: Fortification was the main cause for Battle of Plassey but not the Battle of Buxar.

1 and 3 are correct while 2 is incorrect.
Foreign exchange reserve is the foreign assets held by the central bank of the country. Key components of India’s Foreign Exchange Reserves are Foreign Currency Assets (FCAs), Gold, Special Drawing Rights (SDRs) and RBI’s Reserve position with International Monetary Fund (IMF). FCAs are the largest component of the Forex Reserves consisting of US dollar and other major non-US global currencies. Additionally, it also comprises investments in US Treasury bonds, bonds of other selected governments, deposits with foreign central and commercial banks. Gold reserve is the gold held by the Reserve Bank of India with the intention to serve as a guarantee to redeem promises to pay depositors, note holders (e.g. paper money), or trading peers, or to secure a currency. The SDR was created by the International Monetary Fund (IMF) as an international reserve asset in the year 1969 to supplement its member countries’ official reserves. It is essentially an artificial currency used by the IMF and is a basket of national currencies.

1, 2 and 3 are correct while 4 is incorrect.
The features of Parliamentary system, also known as ‘Westminster’ model of government are:
1. Presence of nominal and real executives like the Prime Minister and the President.
2. Majority Party Rule
3. Collective Responsibility of the Executive to the Legislature.
4. Political homogeneity as usually members of the Council of Ministers belong to the same political party, hence they share the same political ideology.
5. Double membership, one as the Minister other as the Member of Legislature.
6. Leadership of Prime Minister or the Chief Minister.
7. Dissolution of the lower house (Lok Sabha or Legislative Assembly) and not a fixed tenure for the Legislature.
8. The Ministers operate on the principle of secrecy of procedure.