Microscope was invented by
(a) Aaton Van Leewen Hock-✔️
(b) Robert Recorde
(c) William Oughtred
(d) Hermann Fottinger
Laser was invented by
(a) Dr.Charles H. Townes-✔️
(b) Edwin Hubble
(c) Albert Einstein
(d) S. Chandrasekhar
One of the countries through which equator passes is:
(a) Kenya
(b) Malaysia-✔️
(c) Malta
(d) Pakistan
Copper can be converted into gold by:
(a) Artificial radioactivity-✔️
(b) heating
(c) Electroplating
(d) Chemical reaction
The three elements needed for healthy growth of plants are:
(a) N, P, K-✔️
(b) N, C, P
(c) N, K,
(d) N, S, P
Clocks, which moves with the velocities comparable with the velocity of light, run:
(a) fast
(b) slow
(c) equal to the velocity of light
(d) with zero velocity-✔️
Max Planck received the noble prize in Physics in 1918 for his discovery of:
(a) electron
(b) energy quanta-✔️
(c) photon
(d) positron
Bronze medal is made up of metals:
(a) (copper,nickel)
(b) (copper, tin)-✔️
(c) (copper, silver)
(d) (copper, zinc)
Addison’s disease is caused by the excessive secretion of:
(a) Antiduretic Harmone
(b) Luteinising Harmone
(c) Melanophore stimulating Harmone
(d) Adrenocorticotrophic Harmone-✔️
Development of calf muscles in ladies who wear high heels is a common example of:
(a) Natural Selection
(b) inheritance of acquired character-✔️
(c) Use and disuse of organ
(d) Artificial selection
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