What is the primary cause of cholera, diarrhea, and typhoid diseases...? Mcqs

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What is the primary cause of cholera, diarrhea, and typhoid diseases...?

(A) Chemical Pollutants
(B) Microbial Pollutants

(C) Physical Pollutants
(D) Thermal Pollutants

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How much percentage of water on the earth is freshwater...?

(A) 2.5%
(B) 3.5%

(C) 4.5%
(D) 5.5%

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Latest MCQs

Sickle cell anemia is a _________...?

(A) Genetic disorder
(B) virus disease

(C) bacterial disease
(D) diseases due to vitamin deficiency

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Which of the following is a five-carbon compound in the Kreb's cycle...?

(A) Fumaric acid
(B) Citric acid

(C) Malic acid
(D) Alpha-ketoglutarate

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Who discovered blood circulation...?

(A) Carl Linnaeus
(B) Francis Crik

(C) Robert. Brown
(D) William Harvey

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Oxygen belongs to group VIA so number of electrons in its valence shell are _____...?

(A) 3
(B) 4

(C) 5
(D) 6

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The Shortest air route from Moscow to San Francisco is...?

(A) Over the South Pole
(B) Over the North Pole

(C) Over the Atlantic Ocean
(D) None of the above

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Which mineral is the present in nuts, seeds, dried figs, dried apricots, almond seed, corn, vegetables and fruits etc...?

(A) Magnesium
(B) Copper

(C) Iodine
(D) Sodium

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What happens to a person who receives the wrong type of blood...?

(A) All the arteries constrict
(B) All the arteries dialates

(C) The RBCs agglutinate
(D) The spleen and lymphnodes deteriorate

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Which of the following celestial bodies contains abundant quantities of helium-3, a potential source of energy...?

(A) Earth
(B) Venus

(C) Moon
(D) Saturn

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