Answer: B

Explanation:

Recently, two fishermen were seen into the western canal of Prakasam Barrage, situated on the Krishna River in Vijayawada, in pursuit of fish. The Krishna River originates from the Mahabaleshwar region in the Western Ghats in Maharashtra. Hence, statement 1 is correct.

It flows through the states of Maharashtra, Karnataka and Andhra Pradesh before emptying into the Bay of Bengal. It is the second-largest east-flowing river of the Peninsula. Hence, statement 2 is correct.

The major right-bank tributaries of the Krishna River include Venna, Koyna, Panchganga, Dudhganga, Ghataprabha, Malaprabha, and Tungabhadra, while the major left-bank tributaries include Bhima, Dindi, Peddavagu, Halia, Musi, Paleru, and Munneru. Hence, statement 3 is incorrect.

Several important dams and reservoirs are built on the Krishna River, including the Nagarjuna Sagar Dam (one of the world's largest masonry dams), Srisailam Dam, and Almatti Dam. Hence, statement 4 is incorrect.

Answer: C

Explanation:

Recently, Prime Minister of India announced his two-day visit to Kanniyakumari starting May 30 to meditate at the Vivekananda Rock Memorial. The Vivekananda Rock Memorial is situated on a small rocky island off the coast of Kanyakumari, Tamil Nadu, at the southernmost tip of the Indian subcontinent. Hence, statement 1 is correct.

The Vivekananda Rock Memorial was inaugurated in 1970 and was built to honour Swami Vivekananda, one of India's most revered spiritual leaders and philosophers. It commemorates the visit of Swami Vivekananda to the rock in December 1892, where he meditated and attained enlightenment before attending the Parliament of the World's Religions in Chicago in 1893. Hence, statement 2 is correct.

The memorial consists of two main structures: the Vivekananda Mandapam, which includes a meditation hall (Dhyana Mandapam) and an assembly hall (Sabha Mandapam) and the Shripada Mandapam, marking the footprint of the Virgin Goddess believed to have blessed the rock. Hence, statement 3 is correct.

Answer: C

Explanation:

Today, the Prime Minister of India paid tribute to great freedom fighter Veer Savarkar on his birth anniversary. Vinayak Damodar Savarkar (28 May 1883-26 February 1966), an Indian politician, freedom fighter and writer was born at Bhagur village near Nashik in Maharashtra. Founded by Vinayak Damodar Savarkar and his brother Ganesh Damodar Savarkar in 1904, the Abhinav Bharat Society aimed to promote revolutionary activities. Savarkar was associated with India House, founded by Shyamji Kishan Verma in 1905 in London, which aimed to foster nationalist sentiments among Indian students abroad. Hence, statement 1 is correct.

Established by Savarkar in London in 1906, the Free India Society was inspired by the ideals of Italian nationalist Giuseppe Mazzini. Veer Savarkar authored several influential works, including "Joseph Mazzini - Biography and Politics" and "The Indian War of Independence (about the Indian rebellion of 1857)." Hence, statement 2 is correct.

Answer: A

Explanation:

Recently, Vice-President of India emphasized the strategic significance of technological advancement for national security during his visit to the National Aerospace Limited (NAL) in Bengaluru, where he laid the foundation stone for the Centre for Carbon Fiber and Prepregs. Carbon fiber is lightweight, strong materials made of tightly woven carbon atom strand that has many exceptional mechanical properties. It is also known as graphite fiber and is polymer. Hence, statement I is correct.

It possesses high tensile strength, stiffness, low density, high chemical resistance, high temperature tolerance, electrical conductivity and low thermal expansion. It is used in many industries, including aerospace, automotive, sporting goods, civil engineering and military. Hence, statement II is correct.

Here, statements I and II both are correct and statement –II is the correct explanation of statement-I. Hence, option (a) is correct.

Answer: B

Explanation:

Dholes (Cuon alpinus) are also known as the Asiatic Wild Dog or Indian Wild Dog. They are apex predators in forest ecosystems and are most genetically similar to African wild dogs. Hence, statement 1 is correct.

Dholes are found in the forests of the Western Ghats, Eastern Ghats, Central India and Northeast India. Dholes are endangered in IUCN list and are protected under Schedule II of the Wildlife Protection Act, 1972. The first Dhole conservation breeding center was established in 2014 at the Indira Gandhi Zoological Park in Visakhapatnam. Hence, statement 2 is incorrect.