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Q:

A doppler effect occurs when a source of sound moves

A) away from you B) towards you
C) Both A & B D) None of the above
 
Answer & Explanation Answer: C) Both A & B

Explanation:

The Doppler effect or Doppler shift is the change in frequency or wavelength of a wave in relation to an observer who is moving relative to the wave source. 

a_doppler_effect_occurs_when_a_source_of_sound_moves1560770484.jpg image

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Q:

Conversion of Glycogen to Glucose is stimulated by

A) Insulin B) Cortisol
C) Glucagon D) Progesterone
 
Answer & Explanation Answer: C) Glucagon

Explanation:
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Q:

Which of these does not contain a structural protein?

A) Tendons B) Ovalbumin
C) Muscles D) Ligaments
 
Answer & Explanation Answer: B) Ovalbumin

Explanation:
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Q:

_U_R_Y_

Complete this 7 letter word _U_R_Y_

1. Girls like it
2. Boys use it
3. Parents hate it.

Answer

HURRAYS.

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Q:

What is the capital of Niger?

A) Windhoek B) Niamey
C) Melekeok D) Bamako
 
Answer & Explanation Answer: B) Niamey

Explanation:

Capital of Niger is Niamey

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Q:

Which law relates to the ideal gas law?

A) P1T1 = P2T2 B) P1/V1 = P2/V2
C) P1V1 = P2V2 D) T1/V1 = T2/V2
 
Answer & Explanation Answer: C) P1V1 = P2V2

Explanation:

Ideal Gas Law ::

The Combined gas law or General Gas Equation is obtained by combining Boyle's Law, Charles' Law, and Gay-Lussac's Law. It shows the relationship between the pressure, volume, and temperature for a fixed mass (quantity) of gas:

P1V1T1 = P2V2T2

 

Hence, the Boyle's law P1V1 = P2T2, relates to ideal gas equation.

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Q:

The Study of Universe is called

A) Universology B) Cosmetology
C) Petology D) Cosmology
 
Answer & Explanation Answer: D) Cosmology

Explanation:

Cosmology is the scientific study of the large scale properties of the universe as a whole. It endeavors to use the scientific method to understand the origin, evolution and ultimate fate of the entire Universe.

Depending on the outcome of the observations, the theories will need to be abandoned, revised or extended to accommodate the data. The prevailing theory about the origin and evolution of our Universe is the so-called Big Bang theory.

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Q:

The part of earth where life exists

A) Biosphere B) Atmosphere
C) Lithosphere D) Hydrosphere
 
Answer & Explanation Answer: A) Biosphere

Explanation:

The part of the earth and its atmosphere in which living organisms exist or that is capable of supporting life is called Biosphere.

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