Nuclei having the same nuclear charge but different masses are called ____...? Mcqs

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Nuclei having the same nuclear charge but different masses are called ____...?

(A) Isobars
(B) Isotopes

(C) Isoelectronic
(D) Isomers

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Bauxite is an ore of_________...?

(A) copper
(B) zinc

(C) aluminium
(D) iron

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Who discovered Uranus__________...?

(A) William Caxton
(B) John Davise

(C) Herschel
(D) Shellay

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The two elements that are frequently used for making transistors are :...?

(A) Boron and aluminium
(B) Silicon and Germanium

(C) Iridium and Tungston
(D) None of these

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If the electrostatic force between two electrons is F Newton, then the electrostatic force between two protons at the same distance is _____...?

(A) F
(B) 0N

(C) 2F
(D) 2/3 F

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4th and 5th period in periodic table are known as...?

(A) Short period
(B) Long period

(C) Normal period
(D) Very long period

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The basic physical and functional unit of heredity is called _____...?

(A) Chromosome
(B) Gene

(C) Cell
(D) None of these

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Lactic Acid is found in ______...?

(A) Yogurt
(B) Milk

(C) Butter
(D) Ice Cream

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The velocity of a wave is equal to ______...?

(A) Wavelength x Frequency
(B) Wavelength / Frequency

(C) Frequency / Wavelength
(D) Wavelength + Frequency

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Which of the following is the study of micro- organisms, mostly viruses and single called organisms such as bacteria, yeasts and protozoa ...?

(A) Microbiology
(B) Micrology

(C) Histopathology
(D) Tavelogy

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