27 December 2021- Morning Shift- UGC NET Paper 1

Total Questions: 50

31. Which one of the following electronic technologies is the key technology for making the first generation computers?

Correct Answer: (C) Vacuum Tube

32. rrange the following events that influenced the development of the Internet in reverse chronological order (that is, from most recent to oldest):

A. ARPA established
В. TCP/IP implemented in ARPANET
C. Sputnik I Launched
D. WWW Created at CERN
E. DNS implemented
Choose the correct answer from the options given below

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

33. Which of the following statement about computer memory are true?

A. Secondary storage is non-volatile storage.
B. Video memory found in graphics cards is volatile memory.
C. Primary memory (RAM) is the fastest form of memory in a computer.
Choose the correct answer from the options given below:

Correct Answer: (A) A and B only

34. Match List I with List II

List I (Memory Device)
A. Main Memory
B. Cache Memory
C. Hard Disk
D. CD ROM
List II (Memory Type)
I. Magnetic Memory
II. Dynamic Random Access Memory
III. Optical Memory
IV. Static Random Access Memory
Choose the correct answer from the options given below:

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

35. Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R

Assertion A: The Internet of Things (IOT) is a rapidly evolving technology capable of transforming numerous areas of our lives.
Reason R: There are no issues of security, compatibility and data privacy associated with IOT.
In light of the above statements, choose the correct answer from the options given below

Correct Answer: (C) A is true but R is false

36. Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R

Assertion A: Chromium and Iron contamination is found in wastewater of some industries
Reason R: Higher dose of Chromium and Iron can cause toxic effects in our body.
In light of the above statements, choose the most appropriate answer from the options given below

Correct Answer: (B) Both A and R are correct but R is NOT the correct explanation of A

37. 'Blue baby syndrome' in infants is mainly caused by presence of

Correct Answer: (B) Nitrate in water

38. Climate changes involve factors, both internal and external. External ones include

A. Feedback between the atmosphere, ocean and land surface
B. Solar variability
C. Earth's orbit alteration
D. Variability within the climate system
E. Volcanic activity
Choose the correct answer from the options given below:

Correct Answer: (B) B, C and E only

39. Identify the correct sequence of the following noise pollution indices in decreasing order of their magnitude in an urban area

A. L₁₀
B. L₉₀
C. Lₑq
Choose the correct answer from the options given below

Correct Answer: (A) A, C, В

40. Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R

Assertion A: As a rule of thumb, sites of average wind speed 8 m/s or above can be considered very good for electricity generation from wind turbines.
Reason R: For average wind speed < 8 m/s, the power produced is not very significant.
In light of the above statements, choose the correct answer from the options given below

Correct Answer: (C) A is true but R is false