Discussion
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- Question
What causes the mottling of the dental enamel ?
Options- A. High levels of chlorine in water
- B. High levels of nitrate in the water
- C. High levels of fluorides in the water
- D. High levels of calcium in the water
- Correct Answer
- High levels of fluorides in the water
- 1. Which of the following represents the most complex trophic level?
Options- A. Community
- B. Population
- C. Ecosystem
- D. Species Discuss
- 2. In 2004, NASA launched the Messenger Spacecraft to study ___.
Options- A. Saturn
- B. Jupiter
- C. Pluto
- D. Mercury Discuss
- 3. Atomic radius is measured in:
Options- A. Micrometres
- B. Nanometres
- C. Millimetres
- D. Centimetres Discuss
- 4. What is the process of waste water treatment is commonly known?
Options- A. Waste water management
- B. Cleaning of water
- C. Sewage treatment
- D. Decontamination Discuss
- 5. The commonly used thermometric substance is _____.
Options- A. mineral oil
- B. Alcohol
- C. Mercury
- D. Petrol Discuss
- 6. Ilmenite is an ore/mineral of _________.
Options- A. Titanium
- B. Copper
- C. Lead
- D. Manganese Discuss
- 7. __________ is a telecommunications network or computer network that extends over a large geographical distance.
Options- A. Uniform Resource Locator
- B. Simple Mail Transfer Protocol
- C. Wide Area Network
- D. JavaScript Discuss
- 8. Which of the following is the most important raw material for generation of power in India?
Options- A. Mineral Oil
- B. Natural Gas
- C. Uranium
- D. Coa Discuss
- 9. A solar cell is made up of:
Options- A. Carbon
- B. Gallium
- C. Silicon
- D. Teflon Discuss
- 10. The ozone layer is mainly found in the lower portion of the _______.
Options- A. stratosphere
- B. troposphere
- C. mesosphere
- D. thermosphere Discuss
General Science problems
Search Results
Correct Answer: Ecosystem
Correct Answer: Mercury
Correct Answer: Nanometres
Correct Answer: Sewage treatment
Correct Answer: Mercury
Correct Answer: Titanium
Correct Answer: Wide Area Network
Correct Answer: Coa
Correct Answer: Silicon
Correct Answer: stratosphere
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