12 March 2023 – Evening Shift – UGC NET Paper-1

Total Questions: 50

31. A computer is used to store photographs and videos. The average size of each photograph is 8 MB and the average size of each video is 400 MB. How much memory (in gigabytes) is needed to store 800 photographs and 80 videos? (1 KB = 1024 Bytes)

Correct Answer: (4) 37.50

32. In about 1945, who among the following developed the idea of a stored program computer?

Correct Answer: (1) John Von Neumann

33. Which of the following communication systems provides a means of sharing and collaboration by allowing a group of people to enter, modify and contribute one or more pages of related text?

Correct Answer: (1) Wiki

34. Given below are two statements:

Statement I: EEPROM stands for Electronically Extendable Programmable Read Only Memory.
Statement II: RAM is much faster to write or to read from than other types of memory; but its main drawback is its non-volatility.

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

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

35. Which of the following statements about email address spoofing are TRUE?

A. E-mail address spoofing is copying an email to other staff.
B. E-mail address spoofing is used for hacking
C. E-mail address spoofing is the forgery of an email header or sender information
D. E-mail address spoofing is sending a joke email to other staff.

Choose the correct answer from the options given below:

Correct Answer: (2) B and C Only

36. Which of the following are water borne bacterial diseases ?

A. Cholera
B. Hepatitis
C. Typhoid
D. Schistosomiasis
E. Dysentery

Choose the most appropriate answer from the options given below:

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

37. Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R.

Assertion A: Beneath the surface horizons, the subsoil, usually have a lower organic content and higher concentration of mineral particles.
Reason R: Subsoil is generally made up of weathered rock fragments.

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

Correct Answer: (1) Both A and R are correct and R is the correct explanation of A.

38. Which one of the following is a secondary aerosol ?

Correct Answer: (4) Sulphate particles

39. Hazardous waste is liquid or solid that contains substances known to be

A. Fatal to humans or animals only at high doses
B. Toxic, carcinogenic or mutagenic to humans
C. Ignitable even at temperatures less than 60°C
D. Non-reactive
E. Corrosive

Choose the most appropriate answer from the options given below:

Correct Answer: (2) B, C and E Only

40. An Eutrophic lake

A. is rich in nutrients
B. is poor in organic matters
C. has high algal blooms
D. is rich in dissolved oxygen
E. has no issue with survival of fish and other aqualic life

Choose the most appropriate answer from the options given below :

Correct Answer: (3) A and C Only