The radioactive isotopes are formed by neutrons bombardment on the nucleus, these incident neutrons must have ___ to penetrate in the nucleus....? Mcqs

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The radioactive isotopes are formed by neutrons bombardment on the nucleus, these incident neutrons must have ___ to penetrate in the nucleus....?

(A) Very high velocity
(B) Very low velocity

(C) Intermediate velocity
(D) All of these

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

(A) Stamen
(B) Pistil

(C) Carpel
(D) Anther

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Movement of water molecules from the area of higher water potential to the area of lower water potential called...?

(A) Diffusion
(B) Osmosis

(C) Active transport
(D) Water potential

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Bunsen burner is made stable by ______...?

(A) Increasing its length
(B) Increasing its mass

(C) Decreasing its base area
(D) Increasing its base area

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Proteins are made up of _________...?

(A) Polynucleotide
(B) Polypeptide

(C) Oxyacetylene
(D) None of these

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Each day human body breathe in __________ liters of air....?

(A) 5,000 to 10,000
(B) 10,000 to 15,000

(C) 15,000 to 20,000
(D) 20,000 to 25,000

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Who invented steamboat...?

(A) James Watt
(B) Robert Fluton

(C) Frank Whittle
(D) George Stephenson

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In Fahrenheit scale the freezing point of water is ______...?

(A) 30°F
(B) 32°F

(C) 34°F
(D) 100°F

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Which take the shape and volume of a container they are placed in...?

(A) Liquids
(B) Gases

(C) Solids
(D) None

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What is responsible for the high resolution of the electron microscope...?

(A) High magnification
(B) Short wavelength of the electron beam

(C) Use of heavy metals strains
(D) Very thin section

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