General Science Mcqs for PPSC/PMS/CSS/ KPSC/SPSC/UPSC/ and other exams...
1 The quantity of energy transferred from one
system to another is known as
Thermodynamic work
2 Internal energy of a system is the energy
contained within the system and ___ include ___
of the system due to its motion.
Does not, kinetic
energy
3 If Q denotes heat supplied to the system and W
denotes work done by the system, then change in
internal energy when the system undergoes a
change from one state to another is
Q-W
4 pH is abbreviation of Power of Hydrogen
5 The average human body contains about ___
gram of NaCl.
250
6 Each day human body breathe in ___ liters of air. 15,000 to 20,000
7 The best soil pH value for most crops and plants is 6.5
8 Over ___ of the elements in the periodic table are
metals.
75%
9 KHSO4 is a/an Acid
10 The major component of troposphere is Nitrogen
GK (Islamiat) Mahr
Haq Mahr is the main aspect of Nikah and it is mandatory for the groom
to give it to the bride. The mahr of some Ummahatul Mominin are as follows:
1.Hazrat Khadija R.A 500 dirham, 2.Hazrat Saudah R.A 400 Dirham, 3. Hazrat
Aysha R.A 400 Dirham, 4. Hazrat Umm Salmah R.A 10 Dirham and some goods,
5.Hazrat Zainab bint Khuzaima R.A 500 dirham, 6.Hazrat Zainab bint Jahesh R.A
400 dirham7.Hazrat Umm Habibah R.A 400 Dirham, 8.Hazrat Juveria R.A 400
Dirham (Seeratul Mustafa Vol. 3, Zikr Azwaj-e-Mutaharat) Allah (Subhana wa Ta’ala) knows
best.
1 Solve the EAN value of Fe(CO)5 36
2 In complex compounds the oxidation number is
written in
Roman numeral
3 In pig iron the concentration of C-atom is 2.5-4.5%
4 The requirement of macronutrient per acre of the
land is
5 to 200kg
5 Three elements needed for healthy growth of plants
are
N P K
6 The residence time of methane in the atmosphere is 3-7 years
7 The yellow color in photochemical smog is due to
presence of
Nitrogen dioxide
8 In purification of potable water, the coagulant used
is
Alum
9 Newspaper can be recycled again and again how
many times
five
10 The main pollutant of leather tanneries in the
wastewater is
Chromium IV
GK (Geography)
A Landlocked country is a country that does not have territory
connected to an ocean. There are currently 44 landlocked countries in
the world. Kazakhstan is the world’s largest landlocked country.
1 Micro-nutrients are required in quantity ranging
from ____ per acre
6-200g
2 Legnin is an ___ polymer and causes paper to
become brittle
Aromatic
3 Cement was first introduced by an English mason Jaseph Aspdin
4 Which substance is usually used for disinfecting
water
Chlorine or KMnO4
5 Chlorination of water may be harmful if the water
contains
Ammonia
6 Which can be used as water disinfectant to avoid
the formation of toxic compounds
Ozone or ClO2
7 The main product of bacterial action is NO
8 If electricity is passed through a CuSO4 solution by
using a Pt electrode then which possible change
occurs
color of the solution
becomes fade
9 Cell which is not rechargeable Silver oxide cell
10 Which of the following is true in the case of the
Zn-Cu cell
Zinc acts as an anode
and copper as a
cathode
GK (South America)
South America is the fourth largest continent in the world and
has twelve sovereign countries and two non-sovereign areas. Of these
countries in South America there are two countries that are
landlocked: Bolivia and Paraguay.
1 Secondary cell is Rechargeable
2 The temperature for the measurement of standard
electrode potential is
298K
3 Capacity of one lead accumulator cell is 2 volts
4 Lead accumulators are Secondary cell and
voltaic cell
5 Density of H2SO4 in lead accumulator is 1.25g/cm3
6 H2 gas in SHE is filled at pressure of 760mm of Hg
7 Percentage of sulphuric acid in the lead
accumulator is
30%
8 The reduction potential of Zn is -0.76
9 Vapor pressure of water at 100 degrees is 760mmHg
10 Liquid crystal was discovered by Fredrick Reintzer
GK (Geography)
Russia is bordered by 14 countries: Azerbaijan, Belarus, China,
Estonia, Finland, Georgia, Kazakhstan, North Korea, Latvia, Lithuania,
Mongolia, Norway, Poland and Ukraine.
1 Each solid conductor is malleable except Graphite
2 The addition of a catalyst to the reaction system Increases the rate of
forward as well as
backward reaction
equally
3 The specific rate constant of a first order reaction
depends on
Temperature
4 On increasing the temperature the rate of reaction
increases mainly because
Collision frequency
increases
5 Which order of reaction obeys the relation t1/2 =
1/Ka
1
st
order
6 Energy of reactant higher than energy of product
favors
Exothermic
7 Greater the concentration of reactant Greater will be dx/dt
8 The substances that reduce the effectiveness of a
catalyst are called
poisoning catalysts
9 Co-enzymes are Non-proteineous
10 A substance which increases the reactivity of
enzyme is called
Promoters
GK (Noble Prize)
Noble prizes are presented in Stockholm, Sweden, at annual
Prize Award Ceremony on 10 December, the anniversary of Nobel’s
Death Alfred. And Noble Peace prize is awarded in Oslo, Norway.
1 Addition of tetraethyl lead in petrol is example of -ve catalysis
2 Energy of activation for backward reaction is less
than forward reaction for ___ reaction
Endothermic
3 When a product acts as a catalyst then it is called Autocatalysis
4 End name of enzyme ase
5 The unit of slope in Arrhenius plot to calculate the
energy of activation is
K
6 Carbonates of lithium are not stable like that of
sodium due to
Low electro positivity
7 Nitrates of which pair of elements gives different
products on thermal decomposition
Li , Na
8 Among the halogens the rare element is Astatine
9 The color of chlorine gas is Greenish yellow
10 The most powerful oxidizing agent among the
halogens is
F2
GK (PakAffairs) SIM
Jazz (Merged former Mobilink and Warid) is a compny of Egypt.
Telenor is the company of Norway. Zong is by China. Ufone is national
Pakistani SIM and SCOM in Azad Kashmir and Gilgit BAltistan only.
1 The halogen which reacts spontaneously with gold
(Au) to form Au+3 is
Cl2
2 Bromine can be liberated from KBr solution by the
action of
Chlorine
3 Bleaching powder is an example of Mixed salt
4 Which oxides of iodine is used for quantitative
analysis
I2O5
5 Which of the halogen can displace the other three
elements of halogen
Fluorine
6 The chemical formula of sodium hypochlorite is NaClO
7 Photographic plates are coated with a thin film of AgBr
8 The anhydride of HClO4 is Cl2O7
9 Which halogen is present in Teflon F2
10 Which is the paramagnetic oxide of chlorine ClO2
GK (Computer)
1
1st Generation of computers uses acuum Tubes. 2nd V uses
ransistor, 3rd ntegrated Circuit, 4th icroprocessor and 5th T I M Artificial
Intelligence. VTI MA