Correct Answer: Grandson

Solution : As per the instructions given, the family tree will be – 

According to the above family tree, Ankur is the Grandson of Baljor.

Hence, the first option is correct.

Correct Answer: Dev Anand

Solution : The correct answer is Dev Anand.

"Romancing with Life" is an autobiography penned by Dev Anand, the iconic Bollywood actor, film director, and producer. The book offers a candid account of his life, career, and experiences in the Indian film industry. His autobiography provides a window into the golden age of Bollywood.

Correct Answer: 30,000

Solution : Number of pine trees in the forest = 7,500
Percentage of Pine trees in forest = 25%
Let the total number of trees be $x$.
25% of $x$ = 7,500
⇒ $\frac{25\times{x}}{100}$ = 7,500
⇒ 25$x$ = 7,50,000
⇒ $x$ = 30,000
$\therefore$ Total number of trees in the forest is 30,000.
Hence, the correct answer is 30,000.

Correct Answer: invented

Solution : The correct choice is the third option.

Invented means to create something that has never been created before. This helps convey the intended meaning that modern pizza was first created in Naples, Italy.

Correct Answer: Maintanence

Solution : The incorrect spelling is in the fourth option.

Explanation: The correct spelling of the word is maintenance.

Maintenance refers to the process of preserving or keeping something in a functional or satisfactory condition. It involves regular checks, repairs, and actions taken to prevent the deterioration or breakdown of machinery, systems, buildings, or any other object or structure.

Correct Answer: Rabindra Atibudhi

Solution : The correct option is Rabindra Atibudhi.

Rabindra Atibudhi was honoured with the Sangeet Natak Akademi Award 2020 for his outstanding contributions to Odissi dance. He showcased his talent at prestigious festivals and cultural events. Choreographing around 50 classical dances, including the National Award-winning Odissi film "Shri Krishna Leela," he blends creative choreography with tradition.

Correct Answer: Finland

Solution : The correct option is Finland.

Finland is regarded as the land of a thousand lakes, and there are more than 160,000 lakes. It is a Nordic country and shares its borders with Sweden, Norway and Russia. Saimaa, the fourth-biggest lake in Europe, is the largest lake in Finland and is situated in the country's northeastern area. Caspian sea is the largest lake in the world.

Correct Answer: National Commission for Scheduled Tribes

Solution : The correct option is the National Commission for Scheduled Tribes.

The Eighty-ninth Amendment Act, 2003, of the Indian Constitution established the National Commission for Scheduled Tribes (NCST). This amendment granted constitutional status to the NCST, ensuring safeguards and protection for the rights and welfare of Scheduled Tribes in India.

Correct Answer: Government of India

Solution : The correct option is the Government of India.

Security Printing and Minting Corporation of India Limited, a department of the Indian government, is in charge of producing and distributing one rupee note.

Correct Answer: First battle of Panipat 

Solution : The correct option is First battle of Panipat.

The Sultan of Delhi, Ibrahim Lodi, and the Mughal army, led by Babur, engaged in the battle  that took place on April 20, 1526, near the town of Panipat in present-day Haryana.  Sultan Ibrahim Lodi was killed during the Battle of Panipat, which also brought an end to the Delhi Sultanate. Babur became the first Mughal emperor as a result of this victory, which established the Mughal Empire in India. The war marked a turning point in Indian history and paved the way for the Mughal dynasty's long-lasting dominion over a large portion of the Indian subcontinent.