The human brain uses__________ percent of the total oxygen and blood in the body...? Mcqs

Latest MCQs

The human brain uses__________ percent of the total oxygen and blood in the body...?

(A) 20
(B) 12

(C) 35
(D) 48

Latest MCQs

Which is the purest form of water...?

(A) Rain water
(B) Heavy water

(C) Tap water
(D) None of these

Latest MCQs

In constructive reaction _____ molecules are formed....?

(A) Small
(B) Medium

(C) Equal
(D) Large

Latest MCQs

Jupiter, Saturn, Uranus and Neptune are called_________...?

(A) Jovian planets
(B) Terrestrial Planets

(C) Both A & B
(D) None of these

Latest MCQs

The central atom of hemoglobin is...?

(A) Calcium
(B) Magnesium

(C) Iron
(D) None of these

Latest MCQs

What is the molecular formula for Nitric acid ________ ...?

(A) HNO2
(B) HNO3

(C) HN2O2
(D) H2NO4

Latest MCQs

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

(A) Stratosphere
(B) Mesosphere

(C) Troposphere
(D) Thermosphere

Latest MCQs

Nitrogen occurs in plant and animals in the form of ___________...?

(A) Minerals
(B) Fats

(C) Carbohydrates
(D) Proteins

Latest MCQs

The condition for the validity of Ohm's law is that the ______...?

(A) Temperature should remain constant
(B) Current should be proportional to voltage

(C) Resistance must be wire wound type
(D) All of the above

Latest MCQs

Which isotope is used to study the uptake of phosphorus containing fertilizers...?

(A) Phosphorus - 32
(B) Carbon - 14

(C) Lead - 210
(D) Nitrogen - 15

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