General Science-115

          1.       Biological Oxygen Demand (BOD) is used as a standard measure of________.

a.       Oxygen level in forest system

b.      Oxygen level in animals

c.       Oxygen level in water system

d.      Oxygen level in atmosphere

           2.       An ordinary tubelight used for lighting purposes contains:

a.       fluorescent material and an inert gas

b.      one filament, reflective material and mercury vapour

c.       fluorescent material and mercury vapour

d.      two filaments, fluorescent material and mercury vapour

            3.       In atom no two electrons have all the four quantum numbers identical. This is known as:

a.       Paulis Exclusion Principle

b.      Hunds Rule

c.       Aufbau Principle

d.      Avogadros Law

            4.       Joule is the unit of:

a.       Temperature pressure

b.      Energy

c.       Heat

d.      Force

            5.       A mixture of solid Al2O3 and Fe2O3 can be separated by the method of:

a.       Froth floatation

b.      Magnetic separation

c.       Gravity separation

d.      Dissolving in Water

            6.       Winds and air currents differ in the aspect that:

a.       air currents blow much faster than winds

b.      air currents are always moisture laden while winds are usually dry

c.       the winds blow on lands while air currents blow over seas and oceans

d.      winds are horizontal movements of air while air currents are the vertical movements of air

            7.       Which one of the following planets has largest number of natural satellites or moons?

a.       Jupiter

b.      Mars

c.       Saturn

d.      Venus

             8.       Which one of the following is not a radioactive element?

a.       Uranium

b.      Radium

c.       Thorium

d.      Cadmium

             9.       Who among the following described protoplasm as the physical basis of life?

a.       T. H. Huxley

b.      Leeuwenhoek

c.       Rudolf Virchow

d.      J. C. Bose

           10.   Which of the following is most likely to cause a rise in the average temperature of the Earth in the future?

a.       Atomic warfare

b.      CO2 from fossil fuels

c.       Dust clouds from volcanoes

d.      Depletion of the Earth’s Ozone layer

          11.   A difference of 1 degree in longitude at the Equator is equivalent to nearly

a.       101 km

b.      111 km

c.       121 km

d.      125 km

          12.   A cell cycle consists of

a.       mitosis and meiosis

b.      G1, the S phase, and G2

c.       Prophase, metaphase, anaphase and telophase

d.      Interphase and mitosis

          13.   A boy has five resistance of 1/5 ohm each. The maximum resistance that can be formed with them is

a.       0.5 ohm

b.      1 ohm

c.       1/25 ohm

d.      1/5 ohm

          14.   A bat is

a.       a mammal

b.      a reptile

c.       an amphibian

d.      an avian

          15.   A "clinical death" take place when

a.       there is no pulse

b.      there is no heart beat

c.       pupils are fixed and dilated, and there is no reaction to light

d.      all the three conditions are present together

          16.   Vacuoles are bound by a definite membrane in plant cells called

a.       Plasma membrane

b.      Tonoplast

c.       Cell wall

d.      None of the above

          17.   Titan is the largest natural satellite of planet

a.       Mercury

b.      Venus

c.       Saturn

d.      Neptune

          18.   Thermometer is related to degree in the same way as clock is related to

a.       Wall

b.      Tower

c.       Hour

d.      Cock

          19.   There are rings around which of the following?

a.       Uranus

b.      Mars

c.       Jupiter

d.      Saturn

           20.   There are how many strains of H & N proteins that cumulatively make up the HN breed of flu virus (eg. being the presently famous H1N1 virus)

a.       16 & 9 respectively

b.      9 & 16 respectively

c.       16 & 16 respectively

d.      9 & 9 respectively