31. With reference to the satellites launched by India, which one of the following is the correct chronological order?
a) Bhaskara II, IRS-1A, cartosat, INSAT -1B
b) Bhaskara II, INSAT-1B, IRS-1A,cartosat
c) IRS-1A, INSAT-1B, bhaskara II, cartosat
d) INSAT – 1B, bhaskara II, cartosat, IRS-1A
32. Mac number is associated with
a) ship
b) light
c) sound
d) jet plane
33. Fly ash is environment pollutant produced by
a) Thermal power plant
b) Oil refinery
c) Fertilizer plant
d) Strip mining
34. Consider the following statements about internet facility
1. It serves as the largest on - line information system.
2. It provides the most dependable and fastest mode for sending email.
3. Recurring expenditure communicating e-mail is very high
4. It is often misused and has triggered byre – crimes.
Which of the statement s given above is/are correct?
a) 1 , 2 and 4
b) 1 and 4
c) 2, 3 and 4
d) 2 and 3
35. Consider the following statements
1) Intel’s Pentium IV is an operating system used in PCs.
2) During booting period of a PC, the operating system is first loaded.
3) Analogue computers are useful only in scientific field while digital computers have application in scientific as well as in business, administrative functions.
4) Micro – computer is another amen for micro = processor.
A which of the statements given above is / are correct?
a) 1, 2, 3 and 4
b) 2 and 3
c) 1 and 4
d) 1,2 and 4
36. What is the role of ultraviolet (UV) radiation in the water purification systems?
1. It inactivates / Kills the harmful microorganisms in water.
2. It removes all the undesirables’ odors from the water.
3. It quickens the sedimentation of solid particles, removes turbidity and improves the clarity of water
Which of the statement (s) given above is/are correct?
a) Only 1
b) 2 and 3
c) 1 and 3
d) All of these
37. What is an organization’s introductory web page called?
a) Portal
b) Vortal
c) Homepage
d) Website
38. Graphene is frequently in news recently, what is its importance?
1. It is a tow – dimensional material and has good electrical conductivity.
2. It is one of the thinnest but strongest materials tested so far.
3. It Is entirely made of silicon and has high optical transparency.
4. It can be used as conducting electrodes, required for touch screens. LCDs and Organic LEDs.
Which of the statement (s) given above are correct?
a) 1 and 2
b) 3 and 4
c) 1,2 and 4
d) All of these
39. Consider the following statements
1. Nuclear winter is a term that describes the predicted climatic effects of nuclear war.
2. A 2008 study published in the proceeding of the national academy of science, USA found that a nuclear weapons exchange between Pakistan and India using their current arsenals could create a near – global ozone hole, triggering human health problem and wreaking environmental havoc for at least a decade.
Which of the statements given above is/are correct:
a) Only 1
b) Only 2
c) Both 1 and 2
d) Neither 1 nor 2
40. Lead, ingested or inhaled, is a health hazard, after the addition of lead to petrol has been banned, what still are the sources of lead poisoning?
1. Smelting units
2. Pens and pencils
3. Paints
4. Hair oil and cosmetics
Select the correct answer using the codes given below
a) 1, 2 and 3
b) 1 and 3
c) 2 and 4
d) All of these
ANSWERS
31. D
32. D
33 .C
34. C
35. A
36. B
37. A
38.C
39. D
40. C