Which gas is used to extract energy from food in respiration...? Mcqs

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Which gas is used to extract energy from food in respiration...?

(A) CO2
(B) N2

(C) O2
(D) H2

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Latest MCQs

Scalar quantities have ______ and suitable unit....?

(A) Magnitude
(B) Direction

(C) Both a and b
(D) None of them

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Latest MCQs

The gases used in different types of welding would include:__________...?

(A) oxygen and hydrogen
(B) oxygen, hydrogen, acetylene and nitrogen

(C) oxygen, acetylene and argon
(D) oxygen and acetylene

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Which of the following are made up of two or more substances that are not chemically combined...?

(A) Compounds
(B) Elements

(C) Solutions
(D) Mixtures

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Latest MCQs

Which of the following is true of bile salts...?

(A) They are enzymes
(B) They are manufactured by the pancreas

(C) They emulsify fats in the duodenum
(D) They increase the efficiency of pepsin action

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Latest MCQs

Hepatitis is a disease of which of the following organ...?

(A) Heart
(B) Liver

(C) Lungs
(D) Brain

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Latest MCQs

Oscillations are damped due to the presence of ______...?

(A) Linear motion
(B) Restoring force

(C) Frictional force
(D) Mechanical force

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Latest MCQs

Which one of the following is not a true fruit...?

(A) Apple
(B) Grapes

(C) dates
(D) plum

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Latest MCQs

Ultra Microscopic viruses are the main cause of__________...?

(A) Malaria
(B) Measles

(C) Mumps
(D) Cholera

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Latest MCQs

The large plates of solar pannels are painted...?

(A) Red
(B) White

(C) Yellow
(D) Black

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