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Question
A dual-layer DVD is valued because it:
Options
A. Can hold more data
B. Contains a backup of the data stored
C. Uses a second layer to offer a speed increase
D. Creates alternative sound tracks
Correct Answer
Can hold more data
More questions
1. When were bar code scanners invented?
Options
A. 1940s
B. 1950s
C. 1970s
D. 1960s
Show Answer
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Discuss
Correct Answer: 1970s
Explanation:
The scanner reads the bar code label on something at a supermarket, and translates it into a number which the computer reads.
2. The soil found in areas of heavy rainfall and high humidity, where there is good growth of vegetation is
Options
A. peat and marshy soil
B. saline and alkaline soil
C. black soil
D. alluvial soil
Show Answer
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Correct Answer: peat and marshy soil
3. Pigmentation of skin is due to
Options
A. lymphocytes
B. monocytes
C. leucocytes
D. melanocytes
Show Answer
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Discuss
Correct Answer: melanocytes
4. Guwahati High Court is the judicature of
Options
A. Nagaland
B. Arunachal Pradesh
C. Assam
D. All of the above
Show Answer
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Correct Answer: All of the above
5. The group of metals Fe, Co, Ni may best called as
Options
A. transition metals
B. main group metals
C. alkali metals
D. rare metals
Show Answer
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Correct Answer: transition metals
6. 'Kathakali' is a folk dance prevalent in which state?
Options
A. Karnataka
B. Orissa
C. Kerala
D. Manipur
Show Answer
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Correct Answer: Kerala
7. Sergei Bubhka, an athlete of international repute, belongs to which of the following countries?
Options
A. Ukraine
B. Brazil
C. Russia
D. U.S.A
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Correct Answer: Russia
8. Headquarters of the World Health Organisation is located at
Options
A. Geneva
B. Washington DC
C. New York
D. Rome
Show Answer
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Discuss
Correct Answer: Geneva
9. Let a thin capillary tube be replaced with another tube of insufficient length then, we find water
Options
A. will overflow
B. will not rise
C. depressed
D. change its meniscus
Show Answer
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Correct Answer: will not rise
10. Mirage is due to
Options
A. unequal heating of different parts of the atmosphere
B. magnetic disturbances in the atmosphere
C. depletion of ozone layer in the atmosphere
D. equal heating of different parts of the atmosphere
Show Answer
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Correct Answer: unequal heating of different parts of the atmosphere
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