Amīr Khusrau Dehlavī was an Indian Sufi singer, poet, and scholar who lived under the Delhi Sultanate. Amir Khusrau was the court poet of Alauddin Khilji. He was first in the royal service during the time of Balban's son Muhammad. He got the opportunity to serve under six sultans.

The Pampas are fertile South American lowlands that cover more than 750,000 km^2, including the Argentine provinces of Buenos Aires, La Pampa, Santa Fe, Entre Ríos and Córdoba.

The climate of the Pampas is generally temperate, gradually giving way to a more subtropical climate in the north and to a semi arid climate on the western fringes.

Therefore, the correct answer is option A.

• West Bengal is the largest producer of jute in the country.

• Jute is a natural vegetable fibre under the category of bast fibres like flax, hemp, etc.

• West Bengal alone accounts for over 50 per cent raw jute production.

• The jute crop is grown in nearly 83 districts of seven states - West Bengal, Assam, Orissa, Bihar, Uttar Pradesh, Tripura and Meghalaya.

As per the Constitution of India, Panchayats at the intermediate level may NOT be constituted in a State having a population not exceeding 20 lakhs.

* The above said clause is mentioned in Artcile 243B of the Indian Constitution.

* The 73rd Constitution Amendment Act, 1992, made 3 tier system of Panchayati Raj for all states.

* The 73rd Constitution Amendment Act, 1992, came into effect from 24 April, 1993.

● Article 75 of the Constitution of India states that the council of ministers shall be collectively responsible to the Lok Sabha.

● Article 29 According to Article 29(1), the people of any community residing in any state of India or any area having its own regional language, script or culture, they shall have full right to protect that area.

● Article 35 deals with the legislation to give effect to some of the provisions of fundamental rights

● Article 302 deals with the power of the Parliament to impose restrictions on trade, commerce and intercourse between one State and another 

• Oesophagus is the food tube.

• It connects mouth to stomach.

• When we swallow food, the walls of the oesophagus squeeze together (contract). This moves the food down the oesophagus to the stomach.

Ritalin is a central nervous system stimulant and it is used in treatment of ADHD.

Keibul Lamjao National Park is located in Bishnupur district of Manipur state. It was declared a national park in 1977. The main creatures of this park are the most endangered Sangai (Manipuri deer). It has been declared a wetland of international importance under the Ramsar Convention.