24 December 2021- Morning Shift- UGC NET Paper 1

Total Questions: 50

31. What is the MAC address?

Correct Answer: (A) A unique number that identifies a device connected to the internet

32. What is parity checking?

Correct Answer: (B) A method to check whether data has been changed or is corrupted

33. Which statement is NOT true for QR (Quick Response) codes?

Correct Answer: (C) QR codes cannot hold digits

34. Which statement is NOT true for Universal Serial Bus?

Correct Answer: (A) It is a synchronous serial data transmission method

35. Which one of the following is NOT a sensor devicе?

Correct Answer: (*)

36. According to Noise Pollution (Regulation and Control) Rules, 2000, the night time noise standard for commercial areas in India is?

Correct Answer: (B) 55 dB

37. The second highest concentration in biogas is that of

Correct Answer: (D) Carbon dioxide

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

Assertion A: Natural disasters exacerbate poverty in developing countries.
Reason R: Developing countries lack national disaster risk strategies aligned to Sendai Framework.
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

39. Which of the following pollutants termed 'short-lived climate pollutants'?

A. Black Carbon (BC)
B. Methane (CH⁴)
C. Hydrofluorocarbons (HFCs)
D. Surface Ozone (O₃)
E. Carbon dioxide (CO₂)
Choose the correct answer from the options given below:

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

40. As part of the Intended Nationally Determined Contributions, India's target of 33-35% reduction carbon emission intensity by the year 2030 is sought to be achieved with reference to

Correct Answer: (B) 2005 levels