Gravitational force is maximum at which of the following place?
(A) At equator
(B) At tropic of cancer
(C) At tropic of Capricorn
(D) At poles
During sleep a man's blood pressure
(A) increases
(B) decreases
(C) remains constant
(D) fluctuates
Speed of sound is greater in solids than in liquids because
(A) The atoms in solids are regularly arranged
(B) The atoms in liquids are loosely packed
(C) The solids have high elasticity
(D) None of the above
Which of the following is skin disease?
(A) Anaemia
(B) Pellagra
(C) Osteomalacia
(D) Rickets
Nilgai belongs to the following family
(A) Cow
(B) Goat
(C) sheep
(D) Deer
Which of the following organelles is called Atom bombs?
(A) Microtubules
(B) Nucleolus
(C) Golgi bodies
(D) Lysosome
The important metal used with iron to make it rust-free –
(A) Aluminum
(B) Carbon
(C) Chromium
(D) Tin
The number of chambers in a human heart is –
(A) Four
(B) Two
(C) Three
(D) Five
A steam engine converts the heat energy of steam into ______.
(A) Electrical energy
(B) Chemical energy
(C) Mechanical energy
(D) Thermal energy
Our solar system consists of how many planets?
(A) 8
(B) 10
(C) 9
(D) 7
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