Answer: D

Explanation:

Frank Duckworth, 84, who passed away on June 21, had a significant impact on cricket alongside Tony Lewis, arguably more than many players. The Duckworth-Lewis Method, co-invented by Frank Duckworth and Tony Lewis, was designed to fairly determine results and set targets in rain-truncated cricket matches. Hence, statement 1 and 2 are correct.

The Duckworth-Lewis Method was first utilized in international cricket in 1997 and fully adopted by the International Cricket Council (ICC) in 1999. In 2014, the method was updated to the Duckworth-Lewis-Stern (DLS) method, incorporating contributions from Australian statistician Steven Stern. Hence, statement 3 and 4 are correct.

Answer: C

Explanation:

The Dubai Art Centre is currently hosting the “Hunar” exhibition in Dubai, United Arab Amirates. The “Hunar” exhibition is currently hosted by the Dubai Art Centre, one of the city’s oldest art institutions. This exhibition features a captivating display of Indian folk and tribal art, aiming to highlight the rich cultural heritage inherent in India’s diverse art forms.  Hence, statement 1 is correct.

Artworks showcased include Aipan art from Uttarakhand, Madhubani art from Bihar, Warli art from Maharashtra, vibrant murals from Kerala and intricate Muria art from Chhattisgarh. Hence, statement 2 is correct.

Answer: B

Explanation:

Recently, the South African scientists injected radioactive material into live rhinoceros horns to make them easier to detect at border posts in a pioneering project aimed at curbing poaching. Radioactive materials consist of unstable atoms that emit radiation as they undergo decay processes. They are categorized into alpha, beta and gamma radiation, each differing in their penetrating abilities and interaction with matter. Hence, statement I is correct.

In medicine, radioactive isotopes are utilized for both diagnostic purposes, such as PET scans, and therapeutic treatments like radiotherapy. Some radioactive materials possess long half-lives, posing potential environmental risks over extended periods if not properly managed. The International Atomic Energy Agency (IAEA) establishes global standards for the safe handling, transport and disposal of radioactive materials. Hence, statement II is correct.

Here, statements I and II both are correct and statement II is not the correct explanation for statement I. Hence, option (b) is correct.

Answer: C

Explanation:

Recently, a leopard was photographed lounging at Bannerghatta National Park during the inaugural run of South India's first leopard safari, featuring rescued leopards from across Karnataka. Bannerghatta National Park is located in the hills of the Anekal range of mountains south of Bangalore, Karnataka. It was established in 1940 and declared a nation al park in 1974. Hence, statement 1 is incorrect.

The stream of the Suvarnamukhi river serves as the primary water source for animals in the park as it runs through its center.  In 2002, a portion of the park became the Bannerghatta Biological Park, the first biological park in India with a fenced forested elephant sanctuary. Hence, statement 1 is incorrect.

Answer: C

Explanation:

Sucheta Kriplani (25 June 1908-1 December 1974) was recently remembered on her birth anniversary. An Indian freedom fighter and politician was born in Ambala, Punjab (now in Haryana) into a Bengali Brahmo family. Sucheta Kriplani actively participated in various nationalist activities, including the Quit India Movement in 1942. She served as the Chief Minister of Uttar Pradesh from 1963 to 1967, becoming the first woman to hold this position in independent India. She was one of the fifteen eminent women, including Sarojini Naidu, Sucheta Kriplani, Vijayalakshmi Pandit, Ammu Swaminathan and more who were part of the drafting committee. Sucheta Kriplani played a pivotal role as one of the founding members of the All India Mahila Congress, which was established in 1940. Hence, option (c) is correct.