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- Question
In which of the following activities silicon carbide is used?
Options- A. Making cement and glass
- B. Disinfecting water of ponds
- C. cutting very hard substances
- D. Making casts for statues
- Correct Answer
- cutting very hard substances
- 1. When were bar code scanners invented?
Options- A. 1940s
- B. 1950s
- C. 1970s
- D. 1960s Discuss
- 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 Discuss
- 3. Pigmentation of skin is due to
Options- A. lymphocytes
- B. monocytes
- C. leucocytes
- D. melanocytes Discuss
- 4. Guwahati High Court is the judicature of
Options- A. Nagaland
- B. Arunachal Pradesh
- C. Assam
- D. All of the above Discuss
- 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 Discuss
- 6. 'Kathakali' is a folk dance prevalent in which state?
Options- A. Karnataka
- B. Orissa
- C. Kerala
- D. Manipur Discuss
- 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 Discuss
- 8. Headquarters of the World Health Organisation is located at
Options- A. Geneva
- B. Washington DC
- C. New York
- D. Rome Discuss
- 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 Discuss
- 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 Discuss
More questions
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.
Correct Answer: peat and marshy soil
Correct Answer: melanocytes
Correct Answer: All of the above
Correct Answer: transition metals
Correct Answer: Kerala
Correct Answer: Russia
Correct Answer: Geneva
Correct Answer: will not rise
Correct Answer: unequal heating of different parts of the atmosphere
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