The human brain uses__________ percent of the total oxygen and blood in the body?
A. 20 B. 12 C. 35 D. 48 Right Answer: 20
Category: Everyday Science
Everyday Science Mcqs with Answers online.
A Little inhalation is done through?
A. cigarettes B. pipes and cigars C. Both A and B offer little inhalation D. both offer extreme inhalation Right Answer: pipes and cigars
The ozone layer is at height of________kilometers from the surface of the Earth?
A. 10 to 20 B. 20 to 30 C. 30 to 40 D. 40 to 50 Right Answer: 20 to 30
The inner most part of the earth is?
A. Crust B. Mental C. Core D. None of these Right Answer: Core
Deficiency of vitamin B1 is causes?
A. Rickets B. Bone Infection C. Beriberi D. Myopia Right Answer: Beriberi
Short-sight defect could be corrected by a _____________ lens?
A. concave lens B. convex lens C. converging lens D. none of these Right Answer: concave lens
Reflex actions in head region are under the control of?
A. Brain B. Spinal cord C. both a & b D. non of the above Right Answer: Brain
The repetition of property after a certain interval called ?
A. Electron efinity B. Atomic radius C. periodicity of property D. none of these Right Answer: periodicity of property
The study Of GLANDS is called?
A. cardiology B. None of these C. Endocrinology D. Entomology Right Answer: Endocrinology
The distance of mercury from sun is?
A. 56 million km B. 57.9 million km C. 58.9 million km D. 59.1 million Right Answer: 57.9 million km