Who was the first woman who swam across the seven major oceans?
(A) Chandini
(B) Bula Chowdhary
(C) Mridula Rajeev
(D) Priya Shanbhag
Who was the first to estimate the national income in India?
(A) Mahalanobis
(B) Dadabhai Naoroji
(C) V.K. R. V. Rao
(D) Sardar Patel
National income is made up of?
(A) by some money-generating activity
(B) by some laborious activity
(C) by some gainful activity
(D) by some productive activity
Which type of mirror is used in the headlights of vehicles?
(A) plane mirror
(B) concave mirror
(C) convex mirror
(D) parabolic mirror
Which metal is used to heat an electric iron?
(A) Copper
(B) Nichrome
(C) Zinc
(D) Tungsten
The coating of zinc on water pipes made of iron to protect it from corrosion is called?
(A) plating of zinc
(B) alloying
(C) Vulcanization
(D) Galvanization
Get the Examsbook Prep App Today