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- Question
Which of the following layers of the atmosphere makes Radio Communication possible?
Options- A. Troposphere
- B. Thermosphere
- C. Ionosphere
- D. Stratosphere
- Correct Answer
- Ionosphere
- 1. In December 2015, NASA's Curiosity Mars rover found the presence of ____, which will help scientists learn about the ancient wet environment.
Options- A. Magnesium
- B. Cadmium
- C. Silica
- D. Calcium Discuss
- 2. What is the name of the most ancient spiral galaxy that existed 11 billion years ago?
Options- A. A1689 B01
- B. A1689 B10
- C. A1689 B20
- D. A1689 B11 Discuss
- 3. How much time does a Geostationary satellite take to complete one orbit, at the height of 35790 km?
Options- A. 30 days
- B. 24 hours
- C. 365 days
- D. 12 hours Discuss
- 4. Asexual reproduction takes place in
Options- A. Plants
- B. Higher animals
- C. Lower animals
- D. Lower animals and plants Discuss
- 5. Which of the following metals is stored in kerosene oil?
Options- A. Copper
- B. Sodium
- C. Platinum
- D. Gold Discuss
- 6. Fruits preserved in cold storage last longer because -
Options- A. exposure to humidity is increased
- B. more oxygen is available
- C. fruits are stored in a dark place
- D. the rate of respiration of Fruits is decreased Discuss
- 7. Why does a black board appears black in colour?
Options- A. It reflects black colour
- B. It absorbs black colour
- C. It reflects all colours
- D. It absorbs all the colours Discuss
- 8. Energy travels from Sun to Earth through
Options- A. conduction
- B. convection
- C. radiation
- D. modulation Discuss
- 9. The transfer of minerals from top soil to subsoil through soilwater is called?
Options- A. Percolation
- B. Conduction
- C. Leaching
- D. Transpiration Discuss
- 10. In bio fortification technique plant breeders use breeding to overcome
Options- A. Loss due to insect pests
- B. Decrease in food production
- C. Deficiencies of micronutrients and vitamins
- D. Loss due to plant diseases Discuss
General Science problems
Search Results
Correct Answer: Silica
Correct Answer: A1689 B11
Correct Answer: 24 hours
Correct Answer: Lower animals and plants
Correct Answer: Sodium
Correct Answer: the rate of respiration of Fruits is decreased
Correct Answer: It absorbs all the colours
Correct Answer: radiation
Correct Answer: Leaching
Correct Answer: Deficiencies of micronutrients and vitamins
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