1) In the context of Polonium (Po), consider the following statements:
i) It was the first element to be discovered by its radio-activity.
ii) It is used in Nuclear Research with elements such as Beryllium that
emit neutrons when bombarded by alpha particle.
iii) The element is a good source of alpha particles.
Which of the following statements are correct?
a) i and ii only b) ii and iii only c) iii only d) i, ii and iii
2) Thermosetting Plastics
a) Can be repeatedly softened by heating and hardened by cooling.
b) Hardened permanently after being heated once.
c) Softened permanently after being heated once.
d) None of these.
3) Consider the following statements:
i) Argon Lights are used as beacon lights.
ii) Radon Light is used in advertising sign boards and hoardings.
Which of the statements given above is correct?
a) i only b) ii only c) Both i and ii d) Neither i nor ii
4) Booting is
a) A short range radio technology aimed at simplifying communication b/w
internet devices.
b) Startiing up a computer via the power switch, which loads the system
software into memory.
c) It is a type-writer like device that allows the user to type in text and
commands to the computer.
d) A pointing device composed of a lever that moves in multiple directions
to navigate a cursor or other graphical objects on a computer screen.
5) Consider the following statements
i) Photon is a particle of light energy, or energy generated by moving
electrical charges.
ii) Energy generated by moving charges via electromagnetic radiation.
iii) Visible light is one kind of electromagnetic radiations.
Which of the statements given above is correct?
a) i and ii only b) ii and iii only c) i only d) i, ii and iii
6) Fibrinogen is responsible for
a) Muscle Contraction
b) Hair Reduction
c) Blood clotting
d) None of these
7) Cell division is the process by which a cell called the parent cell, divides into two cells, called daughter cell. Cell division is usually a small segment of a large cell. In Meiosis
a) Nucleus of a cell divide
b) Cytoplasm of a cell divide
c) Vacuoles of a cell divide
d) A cell is permanently transformed and cannot divide again
8) Nitrification is
a) In this process, element nitrogen of the atmosphere is converted to
nitrogen compounds.
b) Plants absorb inorganic nitrogen and convert it into organic compunds.
c) Oxidation of ammonia into nitrate.
d) None of these.
9) Adrenocorticotropin is a hormone produced by
a) The pituitary gland
b) The pancreas
c) The Langerhans of the pancreas
d) None of these
10) Villi is associated with
a) The large intestines
b) The small intestines
c) The alimentary canal
d) The stomach
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