Administrative Officer Grade II Paper 2016
Date of Exam 12th May 2016
In Sun and other Stars, energy is released by
(a) Nuclear fission
(b) Nuclear fusion
(c) gravitational force between the Sun and the Earth
(d) Earth’s magnetism
The bacterial decomposition of biological materials under aerobic condition is known as
(a) fertilization
(b) fementation
(c) composting
(d) contamination
Which one of the following is the nearest atmospheric layer to the surface of the Earth?
(a) Ionosphere
(b) Stratosphere
(c) Troposphere
(d) Mesophere
Suppose a boy is standing at a distance of 2 mtr in front of a plane mirror. What would be the distance between the boy and his image?
(a) 1 mtr
(b) 2 mtr
(c) 3 mtr
(d) 4 mtr
The principle on which an electric bell works is based on which one of the following properties of electric current?
(a) Heating effect of current
(b) Magnetic effect of current
(c) Electromagnetic induction
(d) Joule-Thomson effect
IC chips used in computers are usually made of
(a) Chromium
(b) Lead
(c) Silicon
(d) Silver
The X-ray beam cna be deflected
(a) by a magnetic field only
(b) by an electric field only
(c) neither by a magnetic field nor by an electric field
(d) by a magnetic field as well as by an electric field
Changes that have taken place in the structures of different species of plants and animals over time in response to their habitat are called
(a) adaptations
(b) habitation
(c) variations
(d) acclimatization
Which of the following are likely to happen with increase in the levels of CO2 in the atmosphere?
(1) Appearance of new islands
(2) Increase in acidity of sea water
(3) Melting of polar ice caps
(4) Mass extinction of living being
Select the correct answer using the code given below –
(a) 1 and 2
(b) 3 and 4 only
(c) 2,3 and 4
(d) 1 and 4
In human beings, the gas exchange takes place in
(a) heart
(b) alveoli
(c) trachea
(d) tronchus
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