Options:
- A. North pole
- B. South pole
- C. North and south pole
- D. Median of north and south pole
View Answer
C. North and south pole
Everyday Science
The major ingredient of leather is__________________?
Options:
- A. Collagen
- B. Polymer
- C. Nucleic acid
- D. None of these
View Answer
A. Collagen
Approximate age of moon is _________?
Options:
- A. 4.51 billion years
- B. 4.55 billion years
- C. 4.53 billion years
- D. 4.57 billion years
View Answer
C. 4.53 billion years
One Quintal is Equal to___________?
Options:
- A. 70 kg
- B. 80 kg
- C. 90 kg
- D. 100 kg
View Answer
D. 100 kg
The study of heavenly bodies is known as_________?
Options:
- A. Astrology
- B. Astronautics
- C. Astronomy
- D. Astrophysics
View Answer
C. Astronomy
The atmospheric greenhouse effect is produced mainly by the __________________?
Options:
- A. Absorption and re-emission of visible light by the atmosphere
- B. Absorption and re-emission of ultraviolet radiation by the atmosphere
- C. Absorption and re-emission of infrared radiation by the atmosphere
- D. Absorption and re-emission of visible light by clouds
View Answer
C. Absorption and re-emission of infrared radiation by the atmosphere
The temperature at which water boils depends mainly on ____________?
Options:
- A. Air temperature
- B. Relative humidity
- C. Air pressure
- D. Air density
View Answer
C. Air pressure
What is the mass of the Sun?
Options:
- A. 1.5
- B. 1.98
- C. 4.5
- D. 8
View Answer
B. 1.98
Which of the followong spacecrsft enabled man to step on the moon first?
Options:
- A. Spuntnik I
- B. Luna II
- C. Vostok I
- D. Apollo XI
View Answer
D. Apollo XI
A loudspeaker changes _________ energy into sound energy.
Options:
- A. Chemical
- B. Electrical
- C. Light
- D. Kinetic
View Answer
B. Electrical