Everyday Science Most Important MCQs Six
Showing 381 – 390 of 426
A pulsar is a rapidly spinning neutron star which emits:
- A. A blinding light when it aligns with the planets
- B. Radio waves detectable from Earth
- C. Gravitational pull which attracts high energy dust particles
- D. Enough energy to power itself indefinitely
What are the names of the two stars in the Big Dipper used to locate Polaris?
- A. The North Seekers
- B. The Pointer Stars
- C. The Pointer Sisters
- D. None of these
The average speed of a moving object during a given interval of time is always:
- A. The magnitude of its average velocity over the interval
- B. The distance covered during the time interval divided by the time interval
- C. One-half its speed at the end of the interval
- D. Its acceleration multiplied by the time interval
Color of the glow produced in the discharge tube:
- A. Depends on the pressure in the discharge tube
- B. Depends on the metal used as cathode
- C. Depends on the gas used in the discharge tube
- D. Does not depend on the nature of the gas used in the discharge tube
The amount of energy required by the children of age between one to three years is __________?
- A. 300 k Calories
- B. 600 k Calories
- C. 900 k Calories
- D. 1200 k Calories
The season changes because of the __________?
- A. Moon is revolving round the earth
- B. Earth is revolving round its axis
- C. Earth is revolving round the sun
- D. Planet Mars is attracting the sun
Which of the statements about the Troposphere is not true?
- A. It contains 85-90% of the atmosphere’s mass
- B. It contains nearly all the water and oxygen of the atmosphere
- C. It is the zone which exhibits changes in condition of weather
- D. It is about 350 km thick
There are three types of plate boundaries i.e Divergent, Convergent and __________?
- A. Normal
- B. Transform
- C. Complex
- D. Plain
Spinach leaves are rich source of __________?
- A. Amino acid
- B. Iron
- C. Vitamin E
- D. Carotene
Magnalium is an alloy of __________?
- A. Magnesium and Lead
- B. Aluminium and Zinc
- C. Aluminium and Magnesium
- D. Aluminium and Mercury
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