First Atomic theory was proposed by...? Mcqs

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First Atomic theory was proposed by...?

(A) John Dalton
(B) E.Rutherford

(C) De Broglie
(D) D.I.Mendeleef

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Troposphere extends from planetary surface to bottom of __________...?

(A) Stratosphere
(B) Mesosphere

(C) Troposphere
(D) Thermosphere

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Which type of bond is formed between H₂O molecules...?

(A) Hydrogen bond
(B) Ionic bond

(C) Covalent bond
(D) All of these

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In what year did Galileo first use an optical telescope to study the moon...?

(A) 1492
(B) 1609

(C) 1212
(D) 1743

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Which solution contain more water...?

(A) 1.0M
(B) 0.75M

(C) 0.5M
(D) 0.25M

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Larynx is located on _____...?

(A) Lungs
(B) Trachea

(C) Bronchus
(D) Bronchiole

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A ‘breath test’ used by traffic police to check drunken driving uses ____...?

(A) Turmeric on filter paper
(B) Silica gel coated with silver nitrate

(C) potassium permanganate-sulphuric acid
(D) Potassium dichromatic-sulphuric acid

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The atmospheric air is held to the Earth by...?

(A) gravity
(B) winds

(C) clouds
(D) rotation of the Earth

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The type of reproduction in which only one parent is involved...?

(A) Asexual Reproduction
(B) Sexual Reproduction

(C) Fragmentation
(D) Binary Fission

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Which of the following is mismatched...?

(A) Anaphase → Chromatids move
(B) Prophase → Centriole move

(C) Telophase → Nuclear membrane disappear
(D) Metaphase → Chromosome line up

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