1996: With reference to digital payments, consider the following statements:

1. BHIM app allows the user to transfer money to anyone with a UPI-enabled bank account.
2. While a chip-pin debit card has four factors of authentication, BHIM app has only two factors of authentication.

Which of the statements given above is/are correct?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
1997: Recently, for the first time in our country, which of the following States has declared a particular butterfly as 'State Butterfly'?

(a) Arunachal Pradesh
(b) Himachal Pradesh
(c) Karnataka
(d) Maharashtra
1998: Which one of the following pairs is correctly matched ?

(a) Battle of Buxar : Mir Jafar vs. Clive

(b) Battle of Wandiwash : French vs. East India Company

(c) Battle of Chilianwala : Dalhousie vs. Marathas

(d) Battle of Kharda : Nizam vs. East India Company
1999: With reference to the history of Indian rock-cut architecture, consider the following statements:

1. The caves at Badami are the oldest surviving rock-cut caves in India.

2. The Barabar rock-cut caves were originally made for Ajivikas by Emperor Chandragupta Maurya.

3. At Ellora, caves were made for different faiths.

Which of the statements given above is/are correct?

(a) 1 only
(b) 3 only
(c) 2 and 3 only
(d) 1, 2 and 3
2000: Heat from the sun is received by the earth through:

(a) Conduction

(b) Convection

(c) Radiation

(d) None of the above