* ‘Hints for Self Culture’ was famous book written by Lala Hardayal.

* His other famous works are- Social conquest of Hindu Race, Forty Four Months in Germany and Turkey and Bodhisatvva Doctrines.

* He founded the Gadar Party in 1913.

* In 1911, Har Dayal came to involved with industrial unionism.

• Pirpur Committee was established by Muslim League in 1938.

• It was established to prepare a detailed report regarding the atrocities of the congress ministries in 1937-1939.

• The report submitted by this committee charged congress for interference with the religious rites, discriminate between Urdu and Hindi, denial of legitimate representation, etc.

• This report was criticised by congress.

Ajodhya hills is located in the Purulia district of West Bengal. It is the easternmost part of the Chhotanagpur Plateau and extended part of Eastern Ghats range. Chamtaburu is the highest peak of Ajodhya hills. According to legends, it is believed that Lord Rama along with Goddess Sita had come to Ajodhya Hills and stayed here for a brief period during their exile in the forests. Since then, this place is also considered auspicious by many Hindu devotees. Sita Kund is also located here, which is said to be created by Lord Rama, who pierced an arrow into the soil in order to quench the thirst of Goddess Sita.

Visakhapatnam also known as Vizag is the largest city of Andhra Pradesh. Beaches of Vizag are found along the Coromandel Coast, the beaches in Vizag or Vishakapatnam are a site of azure waters, lush greenery and soft sands. Ramakrishna Beach, Gangavaram Beach, Bheemili Beach, Rishikonda Beach, Yarada Beach, Lawson’s Beach and Sagar Nagar Beach are located in Vizag that attract thousands of tourist every year. Gangavaram Beach and Ramakrishna Beach are famous for its scenic beauty. The beaches in Vizag are surrounded by rolling hills and vast canopies of greenery. Because of rocky terrain and high tides, swimming in these beaches is not recommended.

The National Commission of Schedule Tribes is mentioned under Article-338A.

● The National Commission for Scheduled Tribes (NCST) was established through the Constitution (89th Amendment) Act, 2003.

● The term of office of Chairperson, Vice-Chairperson and each member is three years from the date of assumption of charge.

● The first National Commission for Scheduled Tribes (NCST) was constituted in March, 2004 and comprised Shri Kunwar Singh as First Chairman.

● The present chairman of NCST is Nand Kumar Sai.

• The 73rd Constitutional Amendment Act, 1992, included Panchayati Raj in the Indian Constitution from Article 243 to 243(O).

• It added a new Part in Constitution, i.e., Part IX.

• It provided for three tier Panchayati Raj System.

• State election commission was formed to conduct elections of Panchayati Raj. There is a provision of the reservation of seats for SCs and STs at every level of Panchayat.

• Formic acid is present in red ants.

• It is also known as methanoic acid and it’s chemical formula is HCOOH.

• Except for Helium, all noble gases have eight electrons in the outermost shell making the valence shell full.
• This is the reason that noble gases are highly unreactive in nature.
• Helium has only 2 electrons in its outermost shell.

Of the above-mentioned creatures, Zooplanktons are in the second trophic level (herbivore) in a lake ecosystem. Other mentioned creatures included are – Fish are in the third tropic level and are carnivore, whereas Phytoplankton and Benthos are in the first tropic level and are always herbivore. Based on the source of their nutrition or food, organisms occupy a specific place in the food chain that is known as their trophic level. Producers belong to the first trophic level, herbivores (primary consumer) to the second and carnivores (secondary consumer) to the third.

A mixed economy combines the best features of capitalism and socialism. It has some elements of both free enterprise or capitalist economy as well as a government-controlled socialist economy. Hence, option C is correct.