Name the material of screen which used in Rutherford atomic model...? Mcqs

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Name the material of screen which used in Rutherford atomic model...?

(A) Aluminum foil
(B) Zinc sulphide

(C) Sodium sulphide
(D) Aluminum sulphide

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Chromosomes in the cell which are similar to each other in shape and size are called...?

(A) Homologous pair
(B) Heterologous pair

(C) Sister chromatids
(D) Non-homologous pair

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An edible underground stem is...?

(A) Ginger
(B) Sweet-potato

(C) Sugarcane
(D) Radish

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Which of the following type of Coal, has maximum carbon content...?

(A) Peat
(B) Lignite

(C) Anthracite
(D) Bituminious

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Which of the following diagram shows atoms are bonded with same electronegativity...?

(A) A -----:----- B
(B) A ----------: B

(C) A :---------- B
(D) A --:-------- B

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A mirror which has a reflecting surface that bulges outwards like the back side of the spoon is called ____...?

(A) Concave Mirror
(B) Plane Mirror

(C) Convex Mirror
(D) Parabolic Mirror

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Comets are made mostly of ______________...?

(A) Ice and dust
(B) Dust and lights

(C) Ice, dust and lights
(D) All of the above

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Which of the following can be separated by physical means...?

(A) Mixture
(B) Element

(C) Compound
(D) Substance

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______ is a component that conducts current in one direction only....?

(A) Farad
(B) Insulator

(C) Transistor
(D) Diode

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Which vitamin is available to the human body through sun bathing...?

(A) Vitamin A
(B) Vitamin D

(C) Vitamin K
(D) Vitamin B12

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