Kaleidoscope operates on the principle of multiple reflections, where several mirrors are placed at an angel to one another ____...? Mcqs

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Kaleidoscope operates on the principle of multiple reflections, where several mirrors are placed at an angel to one another ____...?

(A) 60°
(B) 45°

(C) 30°
(D) 15°

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Small portion of enzyme where substrate attach with enzyme called _____...?

(A) Binding site
(B) Active site

(C) Catalytic site
(D) Substrate site

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The study of the weather is called____________...?

(A) Meteorology
(B) Weatherology

(C) Ecology
(D) Geology

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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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Lenses form images through ______...?

(A) Dispersion
(B) Diffraction

(C) Refraction
(D) Reflection

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Which of the following in human body is involved in controlling blood sugar level...?

(A) Pitutary glands
(B) Islets of Langerhans

(C) Hypothalamus
(D) Spleen

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A term biotype means ___________...?

(A) all individuals having same phenotype
(B) all individuals having same genotype

(C) all individual with different phenotype
(D) all individuals with different genotype

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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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In the covalent bonding, electron of two atoms...?

(A) Share with each other
(B) Transfer from one atom to another

(C) Attract the ions and delocalized electrons
(D) None of these

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Material 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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