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- Question
Which layer of the atmosphere contains the ozone layer?
Options- A. Troposphere
- B. Stratosphere
- C. Thermosphere
- D. Mesosphere
- Correct Answer
- Stratosphere
ExplanationThe ozone layer is a region of Earth's Stratosphere that absorbs most of the Sun's ultraviolet (UV) radiation. It contains high concentrations of ozone (O3) in relation to other parts of the atmosphere, although still small in relation to other gases in the stratosphere.
The Atmosphere is divided into 4 layers according to major changes in temperature. They are :
1. Troposphere,
2. Stratosphere,
3. Mesosphere and
4. Thermosphere.
The farther away from earth, the thinner the atmosphere gets.
- 1. What do you call elements with Atomic Number between 57 and 71? Discuss
- 2. The primary colors are-
Options- A. Yellow, red, blue
- B. Green, white, black
- C. Blue, green, yellow
- D. Red, blue, green Discuss
- 3. DNA fingerprinting is used to identify the
Options- A. Rapist
- B. Parents
- C. Thieves
- D. All of the above Discuss
- 4. Radio Carbon Dating is use to estimate the age of _____ ?
Options- A. Monuments
- B. Rocks
- C. Soil
- D. Fossils Discuss
- 5. Where does the chemical reactions called Mellaird reaction takes place? Discuss
- 6. Most Explosive Type of Volcano is
Options- A. The Cinder Cone
- B. Rhyolite caldera complexes
- C. Shield Volcanoes
- D. The Basault Volcanoes Discuss
- 7. Which one among the following stars is nearest to the earth?
Options- A. Proxima Centauri
- B. Sirius
- C. Arcturus
- D. Spica Discuss
- 8. What is the value of the Least Distance of Distinct vision (in cm) for a normal human being?
Options- A. 2.5
- B. 25
- C. 58
- D. 60 Discuss
- 9. Special 3-D photographs which have been taken with laser beams (and which make the objects look real) are called what?
Options- A. Holograms
- B. 3D special effects
- C. Portraits
- D. DVD Discuss
- 10. What is Iron Ore used for?
Options- A. Aluminium
- B. Copper
- C. Steel
- D. Brass Discuss
General Science problems
Search Results
Correct Answer: 'Rare earth'(They are all metals)
Correct Answer: Red, blue, green
Explanation:
The Primary Colours are Blue, Red and Green. By mixing all these three primary colours we get White colour.
The Secondary Colours are - Yellow, Magenta and Cyan.
Correct Answer: All of the above
Explanation:
DNA fingerprinting is used to identify the parents, thieves and rapists.
Correct Answer: Fossils
Correct Answer: In cooking
Correct Answer: Rhyolite caldera complexes
Correct Answer: 25
Correct Answer: Holograms
Correct Answer: Steel
Explanation:
The primary use of iron ore is in the production of iron. Most of the iron produced is then used to make steel. Steel is used to make automobiles, locomotives, ships, beams used in buildings, furniture, paper clips, tools, reinforcing rods for concrete, bicycles, and thousands of other items.
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