26 June 2025- Morning Shift- UGC NET Paper 1

Total Questions: 50

31. Which of the following is an example of IEEE 802.3 ?

Correct Answer: (1) LAN

32. Which of the following technologies is used in second generation of computer ?

Correct Answer: (2) Transistors

33. Which of the following is correct sequence of increasing access time of storage/memory devices ?

A. Magnetic tape
B. RAM
C. Cache memory
D. Hard disk
E. Registers

Choose the correct answer from the options given below :

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

34. With reference to cyber attacks, which of the following statements are correct ?

A. Malware is malicious software designed to cause damage to a single computer, server or computer network.
B. Types of malware include computer viruses, worms, trojan horses, ransomware and spyware.
C. Pegasus is a malicious software classified as Ransomware.
D. India is not a signatory to the Budapest convention on cybercrime.

Choose the most appropriate answer from the options given below :

Correct Answer: (4) A, B and D Only

35. Match List-I with List-II :

List-I (Operating system)List-II (Task)
A. UNIXI. Assist users in system maintenance task
B. MS-DOSII. Mobile device
C. Android OSIII. Single user operating system
D. Utility programsIV. Multi user operating system

Choose the correct answer from the options given below :

Correct Answer: (3) A-IV, B-III, C-II, D-I

36. Which of the following are true about coliform bacteria ?

A. They are used to test water contamination.
B. Coliform bacteria are harmless and cause no disease.
C. They are found naturally in human intestinal tract.
D. Their presence in water is an indication of fecal contamination.

Choose the most appropriate answer from the options given below :

Correct Answer: (4) A, B, C and D

37. Why is the concentration of CO₂ is more in the Northern Hemisphere than the Southern Hemisphere ?

A. Land mass is more in the Northern Hemisphere.
B. Ocean body is more in the Southern Hemisphere.
C. Fossil fuel is burnt more in the Northern Hemisphere.
D. Northern Hemisphere is colder than the Southern Hemisphere.

Choose the most appropriate answer from the options given below :

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

38. Increasing the ratio of fissile Uranium (U-235) in natural uranium is known as :

Correct Answer: (4) Enrichment

39. What is the correct sequence, from initial to final, of surface waste water treatment ?

A. Disinfection
B. Sedimentation
C. Filtration
D. Screening

Choose the correct answer from the options given below :

Correct Answer: (4) D, B, C, A

40. Which of the following are differences between Modified Mercalli Scale (MMS) and Richter Scale (RS) ?

A. RS measures the energy released while MMS measures both energy and devastation
B. RS is linear scale while MMS uses logarithmic scale
C. Value of RS is constant in an earthquake while MMS varies depending upon distance
D. Levels in RS is more than MMS

Choose the most appropriate answer from the options given below :

Correct Answer: (4) A and C Only