Which is a water purification technology that uses a semipermeable membrane to remove ions, molecules and larger particles from drinking water...? Mcqs

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Which is a water purification technology that uses a semipermeable membrane to remove ions, molecules and larger particles from drinking water...?

(A) Filtration
(B) Reverse Osmosis (RO)

(C) Sedimentation
(D) Distillation

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The cross between CC x Cc occurs, and the homozygous dominant is...?

(A) 1
(B) 2

(C) 1/2
(D) None of these

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The part of an eye acting as a black point of camera is ______...?

(A) Sclera
(B) Retina

(C) Optic disc
(D) Choroid

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Gamma rays have greatest similarity with...?

(A) a-rays
(B) X-rays

(C) b-rays
(D) U.V.-rays

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Each seed is covered on the outside by a _______, which is also known as _______....?

(A) Embryo, Endosperm
(B) Endosperm, Pericarp

(C) Seed coat, Testa
(D) Seedling, Radicle

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In onion pink color is due_____ ...?

(A) anthocyanin
(B) Carotene

(C) Xanthophylls
(D) None of these

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The period of revolution of a geostationary satellite is...?

(A) 365 days
(B) 30 days

(C) 24 hours
(D) changing continuously

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The Sun has temperature of around _____...?

(A) 3000 °C
(B) 6000 °C

(C) 4000 °C
(D) 5000 °C

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Keeping of Birds Called___________...?

(A) Apiculture
(B) Aviculture

(C) Viniculture
(D) Viticulture

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Which led to the diversification of life...?

(A) Mesozoic Era
(B) Paleozoic Era

(C) Cenozoic Era
(D) Precambrian Time

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