The number of electrons of a neutral atom is automatically known if one knows the...? Mcqs

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The number of electrons of a neutral atom is automatically known if one knows the...?

(A) Atomic number
(B) Atomic weight

(C) Number of orbitals
(D) none

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Movement of earth material as a unit along a curved surface is called...?

(A) Slump
(B) Mud out

(C) Lava
(D) None of these

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Materials for rain-proof coats and tents owe their water proof properties to________...?

(A) Surface tension
(B) Viscosity

(C) Specific gravity
(D) Elasticity

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Deficiency of vitamin C will cause:__________...?

(A) Beri-Beri
(B) Architis

(C) Scurvy
(D) Night-blindness

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A gas in a container of fixed volume is heated. What happens to the molecules of the gas...?

(A) They collide less frequently
(B) They expand

(C) They move faster
(D) They move further apart

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A movable pulley can _______...?

(A) Increase the input force
(B) Decrease the input force

(C) Change the direction of force
(D) Change the speed of force

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What do we call when the sound of frequency will be below 20 Hz...?

(A) Audio sounds
(B) Infrasonic

(C) Ultrasonic
(D) Supersonics

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When a person enters a dark room from bright light he is not able to see clearly for a little while because the...?

(A) Eye is unable to adjust itself immediately
(B) Retina becomes insensitive momentarily

(C) Iris is unable to dilate the pupil immediately
(D) Distance between the lens and retina take time to adjust

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Which of the following is/are characteristics of fish...?

(A) Lives in water & cold-blooded
(B) Fins and scales

(C) Lay eggs in water
(D) Breathes with gills

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The female reproductive part of the flower is called...?

(A) Stamen
(B) Carpel (Pistil)

(C) Anther
(D) Filament

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