(A) 280,000 km/s
(B) 300,000 km/s
(C) 320,000 km/s
(D) none of these
Category: General Science Mcqs
X-rays were discovered by
A) Rontgen
(B) Thomson
(C) Rutherford
(D) Becquerel
The fluid part of blood is known as
(A) plasma
(B) platelets
(C) blood cells
(D) hormones
The lifespan of White Blood Cells is __________ day
(A) 1
(B) 2
(C) 3
(D) 4
Sound waves are _________ waves.
(A) Transverse
(B) Electromagnetic
(C) Longitudinal
(D) none of these
Deficiency of Vitamin-D results in
(A) night blindness
(B) rickets
(C) scurvy
(D) hair fall
The SI unit of “pressure” is
(A) pascal
(B) joule
(C) tesla
(D) henry
The most densest substance on the Earth is
(A) Platinum
(B) Copper
(C) Steel
(D) Osmium
A camera uses a __________ to form an image.
(A) convex lens
(B) concave lens
(C) condenser lens
(D) none of these
Which from the following is NOT a conductor?
(A) Aluminium
(B) Silicon
(C) Graphite
(D) All are conductors