Q:

What is the name of the virus that fool a user into downloading and executing them by pretending to be useful applications ?

A) Trojan horses	B) Keylogger
C) Worm	D) File virus

Answer & Explanation Answer: A) Trojan horses

Explanation:

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Q:

Delayed payload of some viruses is also called as _____

A) Bomb	B) Late - Virus
C) Time	D) Anti-virus

Answer & Explanation Answer: A) Bomb

Explanation:

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Q:

A potentiometer wire is 100 cm long and a constant potential difference is maintained across it. Two cells are connected in series first to support one another and then in opposite direction. The balance points are obtained at 50 cm and 10 cm from the positive end of the wire in the two cases. The ratio of the emf's is :

A) 3:4	B) 5:4
C) 5:1	D) 3:2

Answer & Explanation Answer: D) 3:2

Explanation:

In series : E1 + E2 = K(50)

In parallel : E1 - E2 = K(10)

E1 + E2 / E1 - E2 = 5/1

=> E1/E2 = 3/2

The emf's are in the ratio of 3:2.

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Q:

Cinematography was invented by

A) Graham Bell	B) Edison
C) Zeiss	D) Faraday

Answer & Explanation Answer: B) Edison

Explanation:

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Q:

The Plan-Do-Check-Act cycle can be used to plan and implement Service Management Processes:
How many times should each stage of the cycle be visited?

A) There should be a single Plan and Do, and then Check and Act should be carried out multiple times to Implement Continual Improvement	B) There should be a single %n. then the Do-Check-Act cycle should be repeated multiple times to Implement Continual improvement
C) The entire cycle should be repeated multiple times to Implement Continual Improvement	D) Each stage should be carried out once in the order Plan-Do-Check-Act

Answer & Explanation Answer: D) Each stage should be carried out once in the order Plan-Do-Check-Act

Explanation:

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Q:

photosynthesis takes place faster in

A) darkness	B) red light
C) white light	D) yellow light

Answer & Explanation Answer: C) white light

Explanation:

As far as the rate of photosynthesis is concerned, it is fastest in white light making the rate of photosynthesis maximum.

After White, We Have Violet Light Where Photosynthesis Occur To A Higher Extent as It Has The Shortest Wavelength Hence Has The Max Energy.

So The Order Is :: white>violet>blue.

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Q:

Light from the sun reaches us in nearly

A) 5 min	B) 4.30 hrs
C) 8 min	D) 5.30 hrs

Answer & Explanation Answer: C) 8 min

Explanation:

The light from the sun takes about 8 minutes to reach the Earth after it has been emitted from the sun's surface.

The time it takes for light to reach planets in our Solar System varies from about 3 minutes for Mercury to about 5.3 hours for Pluto.

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Q:

Buddha lived approximately at the same time as

A) Confucius	B) Moses
C) Prophet Mohammed	D) Hammurabi

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