13 March 2023 - Evening Shift - UGC NET Paper-1

31. Given below are two statements:

Statement I: (43.25)₁₀ (101011.01)₂
Statement II: (1110.111)₂ = (14.625)₁₀

In the light of the above statements, choose the correct answer from the options given below:

(1) Both Statement I and Statement II are true.
(2) Both Statement I and Statement II are false.
(3) Statement I is true but Statement II is false.
(4) Statement I is false but Statement II is true.

Correct Answer: (3) Statement I is true but Statement II is false.

32. A keylogger is an example of:

(1) Trojan
(2) Spyware
(3) Worm
(4) Logic Bomb

Correct Answer: (2) Spyware

33. Free online encyclopaedia such as Wikipedia contain a huge number of articles. Which of the following statements about the online encyclopaedia are correct?

A. People can search the relevant articles for a topic quickly.
B. The articles have no copyright.
C. These encyclopaedias are updated frequently.

Choose the correct answer from the options given below:

(1) A and B only
(2) A and C only
(3) B and C only
(4) A, B and C

Correct Answer: (2) A and C only

34. Match List I with List II

List-I (Storage Device or Media)	List-II (Description)
A. RAM	I. Optical storage media that uses a single spiral track and uses dual layer technology, allowing high data storage capacity.
B. ROM	II. Optical storage media that uses concentric tracks allowing writing and reading to take place at the same time.
C. DVD	III. Non-volatile semiconductor memory; the contents cannot be changed.
D. DVD-RAM	IV. Volatile semiconductor memory; stores data and instructions the user is currently working on.

Choose the correct answer from the options given below:

Code:	A	B	C	D
(1)	IV	III	I	II
(2)	II	I	III	IV
(3)	III	I	II	IV
(4)	I	II	IV	III

Correct Answer: (1)

35. Given below are two statements:

Statement I: Sending an email will cause a problem if the recipient is in another time zone where the time difference is 12 hours.
Statement II: In an Email system, Bcc: stands for Black Carbon Copy.

In the light of the above statements, choose the correct answer from the options given below:

(1) Both Statement I and Statement II are true.
(2) Both Statement I and Statement II are false.
(3) Statement I is true but Statement II is false.
(4) Statement I is false but Statement II is true.

Correct Answer: (2) Both Statement I and Statement II are false.

36. Which of the following air pollutants make rain water acidic ?

A. Nitric oxide (NO)
B. Nitrogen dioxide (NO2)
C. Nitrous oxide (N2O)
D. Carbon monoxide (CO)
E. Sulphur dioxide (SO2)

Choose the most appropriate answer from the options given below:

(1) A, B and E only
(2) B, C and D only
(3) A, C and E only
(4) A, B and C only

Correct Answer: (1) A, B and E only

37. Which among the following are Green House Gases (GHG)?

A. Surface ozone (O₃)
B. Ammonia (NH₃)
C. Methane (CH₄)
D. Carbon monoxide (CO)
E. Nitrous oxide (N₂O)

Choose the most appropriate answer from the options given below:

(1) A, B and C only
(2) A, C and E only
(3) B, C and D only
(4) C, D and E only

Correct Answer: (2) A, C and E only

38. Given below are two statements:

Statement I: Passive solar systems pump a heat absorbing medium rather than storing heat in stationary medium.
Statement II: Solar energy can produce high temperatures even in the range of 1000°C or more.

In the light of the above statements, choose the most appropriate answer from the options given below: