Persistence of vision is the Principle behind:
(A) Camera
(B) Binocular
(C) Cinema
(D) Periscope
Who among the following discovered laws of planetary motion?
(A) J. Kepler
(B) Albert Einstein
(C) N. Copernicus
(D) Otto Blathy
Which of the following transports water from the roots of the plant to its leaves?
(A) Xylem
(B) Phloem
(C) Both xylem and phloem
(D) Cortex
Our solar system consists of how many planets?
(A) 8
(B) 10
(C) 9
(D) 7
Which of the following organelles is called Atom bombs?
(A) Microtubules
(B) Nucleolus
(C) Golgi bodies
(D) Lysosome
The number of chambers in a human heart is –
(A) Four
(B) Two
(C) Three
(D) Five
Accumulation of which one of the following in the muscle leads to fatigue?
(A) Lactic acid
(B) Pyruvic acid
(C) Benzoic acid
(D) Uric acid
Constituents of atomic nucleus are
(A) Electron and proton
(B) Electron and neutron
(C) Proton and neutron
(D) Proton, neutron and electron
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