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- Question
The percentage of sun's radiation reflected back into space is about
Options- A. 36 percent
- B. 47 percent
- C. 17 percent
- D. None of the above
- Correct Answer
- 36 percent
- 1. Who invented Bicycle?
Options- A. Leo H Baekeland
- B. Karl Benz
- C. Evangelista Torricelli
- D. Kirkpatrick Macmillan Discuss
- 2. The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is
Options- A. helium
- B. ozone
- C. oxygen
- D. methane Discuss
- 3. Which state Government of India has instituted the Samman Award?
Options- A. Uttar Pradesh
- B. Himachal Pradesh
- C. Madhya Pradesh
- D. Andhra Pradesh Discuss
- 4. Natural radioactivity was discovered by
Options- A. Marie Curie
- B. Ernest Rutherfor
- C. Henri Becquerel
- D. Enrico Fermi Discuss
- 5. Plants growing on sand are called as
Options- A. chasmophytes
- B. oxylophytes
- C. lithophytes
- D. psammophytes Discuss
- 6. What is a NIC?
Options- A. Netware Intranet Controller
- B. No Internet Connection
- C. Network Interface Card
- D. Network Interference Control Discuss
- 7. In which of the following industries is mica as a raw material?
Options- A. Cement
- B. Glass and Pottery
- C. Iron and Steel
- D. Electrical Discuss
- 8. This English inventor is known as the 'Father of Computing.'
Options- A. Philo Farnsworth
- B. J. Presper Eckert
- C. John Mauchly
- D. Charles Babbage Discuss
- 9. The mass number of an atom is equal to
Options- A. the number of protons
- B. the number of protons and electrons
- C. the number of nucleons
- D. the number of neutrons Discuss
- 10. The organic reaction represented by equation CH3 - CH = O + H2NOH gives CH3 - CH - NH + H2O is an example of
Options- A. an addition reaction
- B. a condensation reaction
- C. an oxidation reaction
- D. an elimination reaction Discuss
More questions
Correct Answer: Kirkpatrick Macmillan
Correct Answer: ozone
Correct Answer: Madhya Pradesh
Correct Answer: Henri Becquerel
Correct Answer: psammophytes
Correct Answer: Network Interface Card
Explanation:
A NIC is a Network Interface Card. Usually a card that is plugged into a computer's expansion slot.
Correct Answer: Electrical
Correct Answer: Charles Babbage
Explanation:
Mauchly and Eckert invented the ENIAC computer. Farnsworth was a pioneer of early television.
Correct Answer: the number of nucleons
Correct Answer: a condensation reaction
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