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- Question
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
- Correct Answer
- It absorbs all the colours
- 1. 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
- 2. Which of the following layers of the atmosphere makes Radio Communication possible?
Options- A. Troposphere
- B. Thermosphere
- C. Ionosphere
- D. Stratosphere Discuss
- 3. 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
- 4. 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
- 5. 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
- 6. Energy travels from Sun to Earth through
Options- A. conduction
- B. convection
- C. radiation
- D. modulation Discuss
- 7. The transfer of minerals from top soil to subsoil through soilwater is called?
Options- A. Percolation
- B. Conduction
- C. Leaching
- D. Transpiration Discuss
- 8. 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
- 9. Choose the most appropriate answer:Animals active at night are called
Options- A. Diurnal
- B. Nocturnal
- C. Parasites
- D. Nacto-diurnal Discuss
- 10. Choose the most appropriate answer:Lines joining places of equal temperature are called
Options- A. Isotherms
- B. Isohyets
- C. Isomers
- D. Isobars Discuss
General Science problems
Search Results
Correct Answer: the rate of respiration of Fruits is decreased
Correct Answer: Ionosphere
Correct Answer: Silica
Correct Answer: A1689 B11
Correct Answer: 24 hours
Correct Answer: radiation
Correct Answer: Leaching
Correct Answer: Deficiencies of micronutrients and vitamins
Correct Answer: Nocturnal
Explanation:
Animals active at night are known as Nocturnal.
Correct Answer: Isotherms
Explanation:
Lines joining places of equal temperature are called isotherms.
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