(A) carbon-8 atom
(B) carbon-12 atom
(C) carbon-16 atom
(D) carbon-20 atom
The answer is: (B) carbon-12 atom
Category: Everyday Science
The most abundant element in human body is
(A) Oxygen
(B) Hydrogen
(C) Carbon
(D) Calcium
The answer is: (A) Oxygen
All electromagnetic radiations travel through vacuum with the speed
(A) equal the speed of light
(B) less than the speed of light
(C) greater than the speed of light
(D) (A) or (B)
The answer is: (A) equal the speed of light
A transistor is a semiconductor device with at least ________ terminals.
(A) 2
(B) 3
(C) 4
(D) 5
The answer is: (B) 3
When gas is ionized, ________ is formed.
(A) magnet
(B) molecule
(C) plasma
(D) current
The answer is: (C) plasma
Vitamin K is needed for ________ in the body.
(A) epithelial tissue maintenance
(B) antioxidant
(C) blood clotting
(D) none of these
The answer is: (C) blood clotting
Vitamin K is a type of vitamin that is needed for blood clotting in human body.
The SI unit of heat is
(A) joule
(B) ohm
(C) volt
(D) Newton
The answer is: (A) joule
Neutral solution has a pH value of
(A) 3
(B) 5
(C) 7
(D) 14
The answer is: (C) 7
Organic compounds are originated from
(A) Air
(B) Sun
(C) Rocks
(D) Living organisms
The answer is: (D) Living organisms
The dimension of Momentum is
(A) MLT
(B) LT–1
(C) MLT–1
(D) MLT–2
The answer is: (C) MLT-1