RRB NTPC Exam General Awareness Study Materials - 3

21. Hemophilia is

(a) caused by bacteria
(b) caused by virus
(c) caused by pollutants
(d) a hereditary defect

Answer: (d) a hereditary defect

22. In the human body, vitamin A is stored in the

(a) liver
(b) skin
(c) lung
(d) kidney

Answer: (a) liver 

23. Ondometer is a

(a) Measuring instrument for distance covered by motor wheels
(b) Measuring instrument for frequency of electromagnetic waves
(c) Device for measuring sound intensity
(d) Measuring instrument for electric power

Answer: (b) Measuring instrument for frequency of electromagnetic waves

24. Which acid is used in rubber, textile, leather and electroplating industries?

(a) Ethanoic acid
(b) Methanoic acid
(c) Malanic acid
(d) Butairic acid

Answer: (b) Methanoic acid

25. What is the theme of 2016 National Statistics Day?

(a) Social Development
(b) Trees and their calcualtive lives
(c) Human empowerment
(d) Agriculture and Farmers’ welfare

Answer: (d) Agriculture and Farmers’ welfare

26. What is the main folder on a storage device called?

(a) Root directory
(b) Interface
(c) Device driver
(d) Platform

Answer: (a) Root directory 

27. To view information on the web you must have a

(a) Cable modem
(b) Web browser
(c) Domain Name Server
(d) Hypertext viewer

Answer: (b) Web browser

28. A file is often referred to as a(n)

(a) Wizard
(b) Document
(c) Pane
(d) Device

Answer: (b) Document

29. To protect yourself from computer hacker intrusions you should install a

(a) Firewall
(b) Mailer
(c) Macro
(d) Script

Answer: (a) Firewall 

30. What type of computers are client computers (most of the time) in a client-server system?

(a) Mainframe
(b) Mini-computer
(c) Microcomputer
(d) PDA

Answer: (a) Mainframe