25 June 2025- Evening Shift- UGC NET Paper 1

Total Questions: 50

31. Which of the following is correct physical address of a computer?

Correct Answer: (4) F8 : FC : AE : 7B : 16 : CE

32. www.ncert.nic.in in the following web address is called ____ : http://www.ncert.nic.in/textbook/textbook.htm

Correct Answer: (3) Domain name

33. Which of the following is the correct sequence of largest to smallest unit of Memory access time?

A. Millisecond
B. Picosecond
C. Nanosecond
D. Microsecond
E. Second

Choose the correct answer from the options given below :

Correct Answer: (3) E, A, D, C, B

34. Which of the following statements are true?

A. Full duplex communication is bidirectional.
B. FM radio is an example of simplex communication.
C. Walkie-talkie is an example of full duplex communication.
D. In half duplex communication both devices can send and receive data at the same time.
E. A landline telephone is an example of half duplex communication.

Choose the correct answer from the options given below :

Correct Answer: (3) A and B Only

35. Match the LIST–I with LIST–II

LIST–I (Electronic Device)LIST–II (Properties)
A. Wireless mouseI. Reading of car number plate
B. Optical mouseII. Output device
C. Liquid Crystal DisplayIII. Infrared light
D. Optical Character ReaderIV. Radio waves

Choose the correct answer from the options given below :

Correct Answer: (1) A-IV, B-III, C-II, D-I

36. Which of the following are true about pure rain water?

A. It is naturally acidic
B. It is naturally basic
C. It is neutral (neither acidic nor basic)
D. Its pH value is 7
E. It is called as acid rain when pH becomes less than 5.6

Choose the correct answer from the options given below :

Correct Answer: (1) A and E Only

37. In which of the following steps of hydrological cycle water is purified?

Correct Answer: (3) Evaporation

38. The scale, which not only measures the intensity of earthquake but also its impact on people, is known as :

Correct Answer: (2) Modified Mercalli Scale

39. Match the LIST–I with LIST–II

LIST–I (Disinfectant byproducts (DBPs) of Chlorine)LIST–II (Chemical Composition)
A. DibromochloromethaneI. CHBr₂Cl
B. BromoformII. CHCl₃
C. BromodichloromethaneIII. CHBrCl₂
D. ChloroformIV. CHBr₃

Choose the correct answer from the options given below :

Correct Answer: (5) *

40. Which of the following are true about moderator used in nuclear reactors?

A. Moderators slow down neutrons to sustain the chain reaction
B. Moderators stops the neutrons to control chain reaction
C. Without a moderator chain reaction would stop
D. Example of moderator is Graphite Rod

Choose the correct answer from the options given below :

Correct Answer: (3) A, C and D Only