Everyday Science Mcqs

Which of the following slows down the formation of RBCs (Red Blood Cells)?A. Vitamin B-1
B. Vitamin C
C. Vitamin D
D. Vitamin E

 

Sunlight is made of__________colours?A. Seven colours 
B. Five colours
C. Three colours
D. Non of these

 

746 watts are equivalent to_____________?

A. 1 Joule
B. 1 erg
C. 1HP
D. 1 poise

“Beaufort Scale” is used to measure____________?

A. Wind Velocity 
B. Air Pressure
C. Wind Direction
D. Humidity

Dead red blood corpuscles are stored in____________?

A. Liver
B. Spleen
C. Kidney
D. Heart

Which of the following mixture of gases is required in gas welding?

A. Oxygen and ethylene
B. Oxygen and hydrogen
C. Acetylene and oxygen
D. Acetylene and hydrogen

Which of the following cannot be stored in glass bottle?A. Aqua regia
B. HF
C. HCL
D. HBr

HF reacts with the silica in glass (turns it into SiF4, which is a gas at room temperature or H2SiF6 which is a liquid), so you can’t use glass bottlesto store it in.

 

Earth is divided into following three layers?a. Crust, Mountains, Oceans
b. Crust, Mantle, Trenches
c. Trenches, Mountains, Core
d. Crust, Mantel, Core

 

How many layers does the earth have?A. 1
B. 2
C. 3
D. 4

The Earth has 3 layers: the crust, the mantle and the core (which is subdivided into the outer and inner core.) Each layer is unique.