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  #41  
Old Friday, February 25, 2011
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Default Mcqs with answers and explantins

there are three stages to put a satelite into orbit through launch vehicle(with three engines)
1st: fuel is burnt to overcome gravity, and part holding fuel is jettisoned
2nd:vehicle takes over satellite to desination
3rd: vehicle takes satelite into orbit
true
false

satelites , which is wrong
they have thrusters
solar panels
antennae
revolve round earth due to earth attraction
do not have escape velocity
freely revolve as there is no air resistance
have their own orbit
speed allows it to avoid fallback into earth atmosphere
none

machine which makes a force larger
lever
(eg pair of pliers, tweezers, scissors)
screw
pulley

torch, that we use in dark,. what option is wrong
battery, switch, light bulb
if switch is off, current will flow through circuit, making bulb glow
filament inside bulb is not current resistant

hypocaust refers to
holocaust
river current
sea current
system of under floor central heating

whem micro waves hit things they make the tiny particles inside(molecules) vibrate. this makes the things hot very quickly
true
false

windmills were first used in
india
holland
newzealand
turkey

all musical instruments make sound by makingg vibrations in the air
true
false

digital watches have liquid crystal displayy(LCD)
true
false

which is more accurate
digital watch
pendulum watch
quartz watch

engines turn the energyy in fuel into power to make vehicle move
true
false

four stroke cycle of the engine, which is not stroke here
induction stroke(valve open to let in air and fuel)
compression stroke(valve close, air and fuel squeezed)
ignition stroke(spark cause explosionn)
exhaust stroke(valve open, gases are pushed out)
all are related(engine work in this sequence)

engine of a bicycle is
gears
wheels
pedals
rider

diesal engine is mre efficient than petrol engine(as diesel engine does not have spark plug, ignition takes place by compression of fuel and air)true
false

which is not the movement of aeroplane
yawning(caused by Rudder)turning from side to side
rolling(caused by aileron) moving tip of plane from side to side
pitching(caused by elevators) up and down movement of nose
steering

wings keep the aeroplane in the air. design of wings is in such a way that air on the top of the wing go... ...... than underneath. this produce lift and causing a sound flight
super fast
faster
slower

cockpit of a plane can control......... part of plane
aileron
elevators
rudder
enginepower
all

helicopter wings, which is wrong
are not fixed to fuselage(main body)
attached to rotar
can produce lift
cant help to land vertically

glider planes does not have engine
true
false

steering of boats and ships is done by
hull
shaft
propeller
rudder

ships and boats are pushed along by
hull
shaft
propeller
rudder

pneumatic tyre, which is wrong
1888
john dunlop
none

accuracy level of GPS is
80 m
20 m
85 m
200 m

hovercraft skims over waves instead of going through them
true
false

submarine can travel
on surface of water like ship
on surface of water half merged
under water
on the bottom of sea like crawling creature

below water submarine can change direction(left or rigt) with the help of
ballast tank
hydroplanes
rudder

"cat's eyes" signs are found at
jungle
ocean
air
road

cellular phone is a cross between
modern telephone and old telephone
TV and Radio
Telephone and radio
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  #42  
Old Saturday, February 26, 2011
Senior Member
 
Join Date: Jun 2010
Posts: 192
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Cool MCQs

endoergic reaction refers to
exothermic
endothermic
materialization of energy(energy consumed)
creation of energy(annihilation of matter)(exoergic)

what is name of acid present in the sting of the wasps/bees, cause severe burn
formic
valeric
lactic
caporic

grapes have......... acid
HCL
citric
acetic
tartaric

when concentration of solute is greater than solvent, solution is said to be
saturated
unsaturated
supersaturated
supercooled

what do you mean by quality of light
illumination
sharpness
due to tilt of earth sun orbit
conc of light rays

echo can not be heared if
sound reflected comes back in time less than 1/10th of a second
distance between between source and obstacle is greater than 56 feet
somebody is in anechoic chamber
all

Bhang, Chars, Qanja, Maurijuana are
stimulants
narcotics
hallucinojins

fruit with three layers(epi/meso/endcarp) like mango is called
dry(peanut)
succulent
juicy
aggregate(strawberry, lotus)
composite(pine apple)

which of following is not simple lipid
fat
oil
waxes
steroids

oils are liquid at room temperature, and fats are solid
true
false

stearn fat is found in
goat/cow
lion
deer
whale

which is seed fat
seed wax
progesterone
cholestrol

excess of carbohydrates can easily be converted into fat
true
false

ferritin protein protein is famous as
defence protein (globulin)
contractile protein (myocin)
transporting protein (haemoglobin)
storage(in spleen)
hormone protein(insulin)

when it rain and snow at same time it is called
hail
virga
sleet
graupel(soft hail)

cabbage(band gobi) is evolved from cauliflower(gul gobi)
true
false

era of mammals is
cenozoic(currently we are living in this era)
mesozoic(dinos)
paleozoic(trilobites)

is there anything on the world like(born pregnant)
ture (eg gerbils)
false

which of following is different
neuron
brain cell
nerve cell
all are same

elements heavier than,.......... were made in supernovae(expoding starts)
Hg
U
Fe

sound of sunspots can sing!
true
false

is there something like "white hole" in the space
yes (if this is true i propose green and red holes TOO, ha ha )
no

exact copies are produced
asexual reproduction(eg yeast, cancer cells)

sexual reproduction

in fusion bomb the conversion of mass into energy is about.....%
1
99
5
95

perfectly streamlined in/by nature (least resistance of air / water etc)
fish
horse
tortoise

at the time of morning your shadow will point towards
w
e
n
s

ocean's ambassadors are
migrating fish
shark
turtle
ships

brood parasite refers to
crow
cuckoo
pea cock
pigeon

plastic bags smaller than 30 micron should not be used
true (i had read in a news paper, govt ad, at edges)

false

bamboo is
plant
tree
grass
shrub

if velocity of an object increases
its mass decreases
its mass increases
............ remain same

soil, what is wrong
in engineering it is called Regolith
pedogensis(soil formation)
chemical weathering results in clay
physical.............................sand and silt
clay has most water retention capacity
loam is roughly equal conc of sand, silt and clay
clay(tiniest particle of soil)
sand(largest..................)
none

energy travelling in telephone lines is
mechanical
thermal
electrical
sound

water can be boiled without heating it, if pressure acting on it is constantly decreased
true
false

eart axis points towards
N
NE
NW

water comes into water hand pumps(nalka) due to presence of
sea level temperature
atmosphere pressure
atmospheric temperature
pull
push

mud bricks are called adobe
true
false

..............is both magnetic and radioactive
U
Radium
Plutonium
Thorium

salt ice ideal mixture to give best result(salt:ice)
1:4
4:1
2:3
1.5:3.5

chemically soap is salt of a fatty acid
true
false

dry air is
bad conductor of electriccity
goood...............................
insulator of........................
semi conductor...................

salt is harmful for heart patients
true
false

lipton is
tea
organ
enzyme
hormone(sleep is directly proportional to level of lipton)

a saudi prince has 26 daughters, now his wife is pregnant again, what is the probablity that she will give birth to a boy
0%
50%
100%

owl cant see at day
true
false

after birth, body can not synthesize neurons
true
false

we should boil water for...... mins
10
5
7
13

CO2 inhale % is 0.05%, what is exhale %
1
4
4.5
6

sperms are formed in scortum at the temperature of....C
32
37
40

lightening stops when it starts to rain
true
false

for complete digestion we must chew food..... times(hadith)
15
20
25
30

speed of sound is directly proportional to temperature
true
false

eye is filled with... liquids
1
2
3
4

which is identical with sea water
serum
lymph
semen
plasma
blood

root of hair is called
follicle
shaft
glans
gland

girls develop........ muscle as they use high heels
calf
thigh
hip
leg

we have.......... joints
206
103
412
236

men do not have menopause
true
false

stretched/lie on both sides of body, left as well as right
liver
spleen
pancreas

bacteria cell has no neuclus and mitochondria
true
false

windows of X ray machine is made of
Fe
berylium
rongtein material
sulphur

bitumin(daambar) is used on surfacing roads
true
false

a device connected to the output of a circuit is
total voltage
load
power
potential

volcano can create new islands
yes
no

earth's speed is...... when......to sun
min closest
max farthest
max closest

thewre are total....... tectonic plates
15
20
25
36

peculiar onion smell(cause of tears in eye) is due to....... compounds
citric acis
sulphur
phosphorus

which of following is not long duration wind
breeze
gale
storm
hurricane
typhoon
gust
squalls

during night, breeze flow (at places near sea)
from sea to land
from land to sea

doldrums are places of calm weather at equator. it is usu
hot air area
cold air area
low pressure area
high pressure area

which is not the major constituent of planetry wind system
doldrum
trade winds
westerlies
squalls

pausteurised milk is more nourishing than normally boiled milk
true
false

if equilibrium of something is distrubed , it try to undo it
1st law of equilibrium
2nd law of equilibrium
le chatleirs principle
law of equal proportions

mummies were wrapped in
lenin
resin
silk
polyster

mummification took....... days
5
30
35
70

sand can preserve body
yes
no

max age for growth is........years
20
18
25
30

we see dreams in
deep sleep
short sleep
long sleep
shallow sleep

when a colour blind see R or G colour(s) what does he sees
grey
black
white
yellowish grey

in smoking, smoker gets..........% of nicotine
50
75
30
15

full moon is
90 degree east of sun(1 Q moon)
270 degree east of sun(last Q moon)
180.......................
when moon is on the same meridian as sun(new moon)

ice point is
MP
BP
condensation point
dew point
freezing point
steam point
none

vision produced by compound eye(insects) is
fragmented vision
splited vision
360 degree vision
mosaic vision
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  #43  
Old Saturday, February 26, 2011
Senior Member
 
Join Date: Jun 2010
Posts: 192
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Default MCQs, mostly true and false, taken from diffrenet sources

[/B]is there an intermediate between energy and matter
yes
no
i dont know

Democritus was one of the first philosophers to say that everything was made up of particles too small to be seen.He believed these particles could not be destroyed or split. Democritus said that all changes in the world could be explained as changes in the way particles are packed together.
true
false

memory metals can remember their shape. When brought to a certain temperature, these metals can be set to a shape that they never forget. They have many uses, including repairing broken bones. Even if the bones move, the metal always returns to its original shape, bringing the bones back to their correct position.
true
false

Hardness is a measure of how easily a material can be scratched
true
false

glass is an amorphous(has no crystalline structure) solid
true
false

When mercury is dropped onto a surface, it rolls off in little balls. This is because the forces between the mercury particles are very strong, so the particles clump together. This force between particles of the same type is called adhesion.(it is cohesion)
true
false

most viscous liquid is
glass
tar
daambar
honey

most flammable liquid(N2O gas)
true
false

what is most flammable oil(veg oil)
true
false

Rock, sand, and seawater are all mixtures of the same substances – such as the minerals feldspar, mica, and quartz – but in different particle sizes. Rock contains these substances in chunks or veins; sand has them as small grains; and seawater contains them as tiny dissolved particles that are invisible to the eye.
true
false

Granite is a common rock made of three differently coloured minerals called feldspar, mica, and quartz. The pink grains in granite are feldspar, the black grains are mica, and the light grey, glass-like grains are quartz. Granite is usually about 75% feldspar, 5% mica, and 20% quartz.
true
false

fog is mixture of water and air called colloid, its particles are too small ever to settle out. particles are smaller than those in a suspension, but larger than those in a solution(eg sugar into liquid)
true
false

Mud stirred in water is a type of mixture called a suspension; the particles are too small to see when mixed, but they eventually settle out.
true
false

most soluble in water
sugar (i think)
salt

Wood’s Metal is found in automatic fire sprinklers. It is an alloy (mixture of metals) containing bismuth, lead, tin, and cadmium.if the temperature gets too high, the metal alloy melts and releases the water.
true
false

All the elements on Earth were formed in the heart of exploding stars. The early Universe was made of just two elements, hydrogen and helium, which formed into stars. At the fiery core of these stars, the hydrogen and helium were forced together to form new, heavier elements. Even heavier elements were created in the explosions of massive stars, called supernovas.
true
false

There are 90 natural elements, ranging from the lightest, hydrogen, to the heaviest, uranium.
true
false

Synthetic elements include plutonium and einsteinium.
true
false

there is no proton in H atom
true
false

Positively charged protons would normally repel each other, but the nucleus is held together by a powerful force called the weak nuclear force.(strong)
true
false

In 1922, Bohr was awarded the Nobel Prize for Physics.
true
false

in the periodic table elements are arranged in order of their ........
atomic mass
atomic weight
mass number
atomic number

One element that Mendeleyev left a gap for in his periodic table was gallium (element 31). Mendeleyev called it eka-aluminium because he predicted it would have similar properties to aluminium. (he predicted also germanium, and scandium.)
true
false

An astronaut’s visor is gold-plated to reflect sunlight. it is corrosion resistant
true
false

phosphorus compounds are used on the tips of matches. Phosphorus glows in the dark, an effect called phosphorescence.
true
false

Argon is very unreactive and does not combine with other elements. In arc welding, metals are melted surrounded by argon gas. The argon keeps oxygen out, so that oxygen cannot react with the melted metals.
true
false

Substances whose molecules contain different types of atom are called compounds.
true
false

The element argon is a one-atom molecule.
true
false

In this type of bonding, all the atoms lose electrons, which float around in a common pool. The electrons in this pool can move around freely, which is why metals can transfer heat or electricity so well.
covalent bonds
ionic bonds
metalic bonds

it is the enzymes in yeast that cause bread dough to rise.
true
false

Cars fitted with a catalytic converter change the harmful gases into safer gases. When they enter the catalytic converter, the gases form temporary bonds with the surface of the catalyst. This brings them into close contact with each other and allows new, safer gases to form.
true
false

......is force of nature that kills most people in the world
water(i think)
fire
air
earth

Smoke is compounds of hydrogen, carbon and oxygen. The rest of the material forms char, which is nearly pure carbon, and ash, which is all of the unburnable minerals in the wood (calcium, potassium, and so on). The char is what you buy when you buy charcoal. Charcoal is wood that has been heated to remove nearly all of the volatile gases and leave behind the carbon. That is why a charcoal fire burns with no smoke.
true
false

Flame color varies depending on what you're burning and how hot it is. Color variation within in a flame is caused by uneven temperature. Typically, the hottest part of a flame -- the base -- glows blue, and the cooler parts at the top glow orange or yellow.
true
false

On Earth, gravity determines how the flame burns. All the hot gases in the flame are much hotter (and less dense) than the surrounding air, so they move upward toward lower pressure. This is why fire typically spreads upward, and it's also why flames are always "pointed" at the top. If you were to light a fire in a microgravity environment, say onboard the space shuttle, it would form a sphere!
true
false

Ash is something you get when you have burnt wood and the grey fine leftovers is called ash.Soot is something that if a train in the olden days passed through a tunnel and used coal as fuel would be left stuck on walls etc , very sticky and messy. Also find soot in Chimneys .
Soot is a general term that refers to the black, impure carbon particles resulting from the incomplete combustion of a hydrocarbon.
Ash is different than soot because ash is volcanic waste that volcanoes spew out when they erupt. Soot is your regular dirt that gets on you on a muddy day or dust from your attic.

Note : data takenfrom internet

true
false

Limestone is an important base that is dug from the earth in quarries.
true
false

Ag, Au, Ca, Na are metals
true
false

poor metals are
tin and aluminium
potassium and sodium(alkali metals)
copper, silver, and gold(transition metals)

............is used in gold extraction
cyanide(poison)
crushing

The transmission lines (electric cables) that bring electricity to our homes, schools, and offices all rely on ......
iron
copper
zinc
brass

Oleum is concentrated sulphuric acid. It is transported to manufacturing plants in tankers. Here, water is added to the oleum in precise measures to make the correct concentration of sulphuric acid. Sulphuric acid is used in the manufacture of detergents, paints, medicines, plastics, and synthetic fabrics.
true
false

Bromine is the only liquid non-metal element. also used in photography
true
false

there are....... noble unreactive gases(,argon, neon, helium, krypton, radon, and xenon)
6
5
7
8

Argon is used in light bulbs, xenon is used in lighthouse arc lamps, and helium is used to fill airships and hot-air balloons.
true
false

The space shuttle uses liquid hydrogen fuel because hydrogen gives out a lot of power for very little weight. Hydrogen, like all fuel, needs oxygen to burn, so the shuttle has a tank of liquid hydrogen and a tank of liquid oxygen. A fine mist of the two liquids is sprayed into the engines and ignited (set alight). The hydrogen explodes, sending steam out of the nozzles and helping to thrust the shuttle into space.
true
false

Margarine is made by passing bubbles of hydrogen gas through hot vegetable oil.
true
false

When nitrogen gas is cooled to -196ºC (-320ºF), it turns to a liquid. Liquid nitrogen is so cold that it can freeze a substance in seconds. In hospitals, it is used to preserve blood and body parts for transplant. semen can be stored
true
false

The stable structure of fullerenes(carbon allotrope:herecarbon atoms link together to form a ball-shaped cage ) works well on large-scale buildings.(eg geodesic dome)
true
false

relationship between matter and energy is explained by
chemistry
physics
astrology
astronomy

carbon compound called an ester gives an apple its distinctive smell.
true
false

Racing bikes are often made from carbon fibre. This material is fireproof and five times lighter than steel, yet twice as strong.
true
false

plastic bags are made from
polythene
polyethylene
Polystyrene

glass is a thick liquid that never completely sets (hardens). That is why old window panes are thicker at the bottom than at the top.
true
false

Sand, broken glass, soda, and limestone are heated in a furnace. At around 1,500°C (2,732°F), the mixture melts to form molten (liquid) glass, which is cut into individual globules of glass called gobs.
true
false

Heat-proof oven doors are made by adding chemicals to molten glass so that the glass lets light but not heat through. Car windscreens are made shatterproof by cooling molten glass rapidly with jets of air. Test tubes and other glass apparatus used in science labs need to withstand the heat of a Bunsen flame. This kind of glass is made heat-proof by adding boron oxide to the raw materials to make borosilicate.
true
false

Ceramics are made by firing (heating) clay (fine particles of earth) in an oven called a kiln or furnace.
true
false

Ceramics can be thrown (made) by shaping a lump of wet clay on a wheel (a turning plate). The potter places the clay on the centre of the wheel, then skilfully raises it into shape by hand.
true
false

The pot is fired in a kiln. The first firing, called the bisque firing, hardens the clay. A coating called a glaze is painted onto the pot, and the pot is fired again. Glaze waterproofs the pot.
true
false

Bio-ceramics now replace teeth and bones.
true
false

NATURAL COMPOSITE: Bone is a composite of hydroxyapatite and a protein called collagen. The hydroxyapatite is a brittle but hard and rigid material that gives bone its structural strength. The collagen is soft and spongy, giving bone its flexibility. Bone is 80–90 per cent hydroxyapatite and 10–20 per cent collagen protein.
true
false

Before recycling, paper is sorted into different grades. It is then mashed with water and chemicals to form a pulp. The pulp is cleaned (to remove staples, glue, or ink) and sprayed onto flat screens. When dry, the paper is used to make new products, such as newspapers.
true
false

On Earth, the force of gravity on 1 kg (2.2 lb) is 9.8 newtons.
true
false

Einstein realized that the speed of light is always the same. He then calculated that an object travelling near this speed acts strangely: it shrinks in length, increases in mass, and time slows down. He also calculated that mass alters space. So small objects do not travel in straight lines near a large object – instead they follow the distortions in space made by it.
true
false

Heavy construction machines have large tyres for two reasons. The compressed air in the tyre helps to absorb bumps, so the ride is much smoother than it would be with a solid wheel. Large tyres also help to spread the weight of the machine over a much bigger area. This reduces the pressure on the ground and stops the machine sinking into the mud.
true
false

The higher we go, the less air there is in the atmosphere above us. The deeper in the sea we go, the more water there is pressing down on us.
true
false

120 m (400 ft) DEEP: Divers cannot go any deeper than this without special suits to protect them from the pressure of the water.
true
false

potential energy that powers bows and catapults is........PE
gravitational(avalanche converts PE into KE)
elastic

A moving hammer has a lot of kinetic energy. As it strikes the nail, it slows down and loses its kinetic energy. The energy does not disappear, however. Some of it goes to split the wood to make way for the nail, some passes into the wood as heat energy, and some is converted into sound.
true
false

When iron is heated in a furnace, it glows red-hot and then melts at a temperature of 1,535°C (2,795°F). At this temperature, its particles move about with lots of kinetic energy. At higher temperatures they move even faster, and the iron in the furnace starts bubbling.
true
false

When an object such as a boat or an airship rests in a fluid (a liquid or gas), it has to displace (push aside) some of the fluid to make room for itself. The object’s weight pulls it downwards. But the pressure of the fluid all around the object tries to push it upwards with a force called upthrust. The object SINKS if the upthrust is less than its weight, but floats if the upthrust is equal to, or more than its weight.
true
false

Not everything will float. A block of wood will float on water, but a lump of iron exactly the same size will sink. This is because a piece of wood of a certain size weighs less than the same volume of water, so wood floats on water. However, iron is much heavier than either wood or water. A block of iron weighs more than the same volume of water. This is why iron sinks in water.
true
false

sound waves (The medium moves back and forth as waves carry energy through it, but it does not actually travel along with the wave.)
true
false

Ocean waves are transverse waves that carry huge amounts of energy across the surface of the sea as they move up and down. A wave 3 m (10ft) high carries enough energy to power around 1,000 lightbulbs in every 1 m (3 ft) of its length.
true
false

Radios, televisions, mobile phones, and radar use signals made up of electromagnetic waves. These are waves that carry energy as electricity and magnetism at the speed of light.
true
false

UV rays can not cross glass
true
false

Although we cannot see infrared, we can feel it as heat. When heat energy is transferred by radiation, it is carried by waves of infrared.
true
false

Radio waves are the longest in the spectrum. They carry radio and TV signals around Earth. Radio waves from outer space are picked up by radio telescopes and used in studies of the universe.
true
false
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Farrah Zafar (Sunday, February 27, 2011)
  #44  
Old Saturday, February 26, 2011
Senior Member
 
Join Date: Jun 2010
Posts: 192
Thanks: 32
Thanked 150 Times in 77 Posts
siraj narejo will become famous soon enough
Default answerwss

endoergic reaction refers to
exothermic
endothermic
materialization of energy(energy consumed)
creation of energy(annihilation of matter)(exoergic)

what is name of acid present in the sting of the wasps/bees, cause severe burn
formic
valeric(valeria root)
lactic
caporic(goat)

grapes have......... acid
HCL
citric
acetic(vinegar/tomato)
tartaric

when concentration of solute is greater than solvent, solution is said to be
saturated
unsaturated
supersaturated
supercooled

what do you mean by quality of light
illumination level (i think)
sharpness
due to tilt of earth sun orbit
conc of light rays

echo can not be heared if
sound reflected comes back in time less than 1/10th of a second
distance between between source and obstacle is greater than 56 feet
somebody is in anechoic chamber
all

Bhang, Chars, Qanja, Maurijuana are
stimulants
narcotics
hallucinojins

fruit with three layers(epi/meso/endcarp) like mango is called
dry(peanut)
succulent
juicy
aggregate(strawberry, lotus)
composite(pine apple)

which of following is not simple lipid
fat
oil
waxes
steroids(are taken to gain artificial muscle mass)

oils are liquid at room temperature, and fats are solid
true
false

stearn fat is found in
goat/cow
lion
deer
whale

which is seed fat
seed wax
progesterone
cholestrol

excess of carbohydrates can easily be converted into fat
true
false

ferritin protein protein is famous as
defence protein (globulin)
contractile protein (myocin)
transporting protein (haemoglobin)
storage(in spleen)
hormone protein(insulin)

when it rain and snow at same time it is called
hail
virga(precipitation that does not reach earth, vaporize on the way)
sleet
graupel(soft hail)

cabbage(band gobi) is evolved from cauliflower(gul gobi)
true (listened from my bio teacher 7 years back)
false

era of mammals is
cenozoic(currently we are living in this era)
mesozoic(dinos)
paleozoic(trilobites)

is there anything on the world like(born pregnant)
ture (eg gerbils)
false

which of following is different
neuron
brain cell
nerve cell
all are same

elements heavier than,.......... were made in supernovae(expoding starts)
Hg
U
Fe

sound of sunspots can sing!
true (so romantic)
false

is there something like "white hole" in the space
yes (if this is true i propose green and red holes TOO, ha ha )
no

exact copies are produced
asexual reproduction(eg yeast, cancer cells)
sexual reproduction

in fusion bomb the conversion of mass into energy is about.....%
1
99
5
95

perfectly streamlined in/by nature (least resistance of air / water etc)
fish
horse
tortoise

at the time of morning your shadow will point towards
w
e
n
s

ocean's ambassadors are
migrating fish
shark
turtle
ships

brood parasite refers to
crow
cuckoo
pea cock
pigeon

plastic bags smaller than 30 micron should not be used
true
false

bamboo is
plant
tree
grass
shrub

if velocity of an object increases
its mass decreases
its mass increases
............ remain same

soil, what is wrong
in engineering it is called Regolith
pedogensis(soil formation)
chemical weathering results in clay
physical.............................sand and silt
clay has most water retention capacity
loam is roughly equal conc of sand, silt and clay
clay(tiniest particle of soil)
sand(largest..................)
none

energy travelling in telephone lines is
mechanical
thermal
electrical
sound

water can be boiled without heating it, if pressure acting on it is constantly decreased
true
false

eart axis points towards
N
NE
NW

water comes into water hand pumps(nalka) due to presence of
sea level temperature
atmosphere pressure
atmospheric temperature
pull
push

mud bricks are called adobe
true
false

..............is both magnetic and radioactive
U
Radium
Plutonium
Thorium

salt ice ideal mixture to give best result(salt:ice)
1:4
4:1
2:3
1.5:3.5

chemically soap is salt of a fatty acid
true
false

dry air is
bad conductor of electriccity
goood...............................
insulator of........................
semi conductor...................

salt is harmful for heart patients
true
false

lipton is
tea
organ
enzyme
hormone(sleep is directly proportional to level of lipton)

a saudi prince has 26 daughters, now his wife is pregnant again, what is the probablity that she will give birth to a boy
0%
50%
100%

owl cant see at day
true
false

after birth, body can not synthesize neurons
true
false

we should boil water for...... mins
10
5
7
13

CO2 inhale % is 0.05%, what is exhale %
1
4
4.5
6

sperms are formed in scortum at the temperature of....C
32
37
40

lightening stops when it starts to rain
true
false

for complete digestion we must chew food..... times(hadith)
15
20
25
30

speed of sound is directly proportional to temperature
true
false

eye is filled with... liquids
1
2
3
4

which is identical with sea water
serum
lymph
semen
plasma
blood

root of hair is called
follicle
shaft
glans
gland

girls develop........ muscle as they use high heels
calf
thigh
hip
leg

we have.......... joints
206
103
412
236

men do not have menopause
true(but it is still questionable)
false

stretched/lie on both sides of body, left as well as right
liver
spleen
pancreas

bacteria cell has no neuclus and mitochondria
true
false

windows of X ray machine is made of
Fe
berylium
rongtein material
sulphur

bitumin(daambar) is used on surfacing roads
true
false

a device connected to the output of a circuit is
total voltage
load
power
potential

volcano can create new islands
yes
no

earth's speed is...... when......to sun
min closest
max farthest
max closest

thewre are total....... tectonic plates
15
20
25
36

peculiar onion smell(cause of tears in eye) is due to....... compounds
citric acis
sulphur
phosphorus

which of following is not long duration wind
breeze
gale
storm
hurricane
typhoon
gust
squalls


during night, breeze flow (at places near sea)
from sea to land
from land to sea

doldrums are places of calm weather at equator. it is usu
hot air area
cold air area
low pressure area
high pressure area

which is not the major constituent of planetry wind system
doldrum
trade winds
westerlies
squalls

pausteurised milk is more nourishing than normally boiled milk
true(no change in color, taste, digestability, fats of milk)
false

if equilibrium of something is distrubed , it try to undo it
1st law of equilibrium
2nd law of equilibrium
le chatleirs principle
law of equal proportions

mummies were wrapped in
lenin
resin
silk
polyster

mummification took....... days
5
30
35
70

sand can preserve body
yes
no

max age for growth is........years
20
18
25
30

we see dreams in
deep sleep
short sleep
long sleep
shallow sleep

when a colour blind see R or G colour(s) what does he sees
grey
black
white
yellowish grey

in smoking, smoker gets..........% of nicotine inside body
50
75
30
15

full moon is
90 degree east of sun(1 Q moon)
270 degree east of sun(last Q moon)
180.......................
when moon is on the same meridian as sun(new moon)

ice point is
MP
BP
condensation point
dew point
freezing point
steam point
none
The temperature, equal to 0°C (32°F), at which pure water and ice are in equilibrium in a mixture at 1 atmosphere of pressure.
ice point: Definition from Answers.com

vision produced by compound eye(insects) is
fragmented vision
splited vision
360 degree vision
mosaic vision
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Farrah Zafar (Sunday, February 27, 2011)
  #45  
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Default muslim scientists

islamic science was at peak during
7th AD to 13th AD(6 centuries)
9.............12......(3 centuries)
6..............14.....(8 centuries)
5..............10.....(5 centuries)

which scientist is not from 8th century AD
al khwarzimi
jabir ibn hayan
kindi

which scientist is not from 9th century AD
abu ishaq kindi
zakriya al razi
al battani
al beruni

which scientist is not from 10th century AD
abu ali sina
al beruni
ibn al haithem
abu al qasim al zahrawi
ibn rushd

which scientist is not from 11th century AD
al mawardi
nasir al din tusi

which scientist is not from 12th century AD
ibn al baithar
ibn rushd
nasir al din tusi
al nasavi

M Bin Musa Al Khwarzmi, which is not related
8th century AD
aljebra (book: hisab al jabr wal muqabla)
logarthim and decimal system
first time used zero
gave idea of shape of earth
his astronomical tables called Zijj
none

continued........
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Old Saturday, February 26, 2011
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mani1 has a spectacular aura aboutmani1 has a spectacular aura aboutmani1 has a spectacular aura about
Default

source?
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siraj narejo (Saturday, February 26, 2011)
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Default

Quote:
Originally Posted by mani1 View Post
source?
in this forum, mr sureshlasi (senior member), i have just converted some oh his notes into true and false format
and some concepts are taken from website"howstuffwork"
some are also taken randomly from internet, at this time i dont know that exact ip.
thanx for your concern

if you find any of MCQs unacceptable inform me i shall clear it to you are, or make sorry for my wron info provided to you
dont consider this anawer for all MCQs, i am talking of only some "true and false" ones, that appear form this MCQ

is there an intermediate between energy and matter
yes
no
i dont know

and end at this MCQ

Radio waves are the longest in the spectrum. They carry radio and TV signals around Earth. Radio waves from outer space are picked up by radio telescopes and used in studies of the universe.
true
false
rest of the MCQ in aall of my previous posts are my self made(except very very few True and false ones)

soryy i could not clear it to you before

thanx

Last edited by Andrew Dufresne; Sunday, February 27, 2011 at 12:14 AM.
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Smile muslim scientists.. continued....

jabir bin hayan, which is wrong
8th century AD
father of chemistry
made , sulphuric/nitric/HCL acids and white lead
introduced new technologies, eg calcination, crystallization, distillation, sublimation
Book: book of seventy, composition of alchemy
none

abu ishaq kindi, which is wrong
9th century AD
born in Basrah
al kindus in west
philosopher of arabs
famous for medicine
none

zakaria al razi, which is wrong
9th century AD
persian muslim
Rhazes in west
father of paediatrics(children)
first time used opium as anaesthesia
classified substances into metals and nom metals
book: al hawaii(encyclopedea of medicinee, 20 volumess)
none

al battani, which is wrong
9th century AD
explained equinox
book: kitab al zig
none

abu ali sena, which is wrong
10th century AD
born in turkistan
great physician
books(canon and ash shifa)
first time used catheters
father of geology
none

al beruni, which is wrong
10 century AD
historian, writer
learned sanskrit
explained lonitude and latitude
revealed that indus valley was once the basin of ocean
said that earth rotates on its axis
told that light travels faster than sound
books: qanun al masudi(encyclopedia of astronomy), tahqiq al hind, asrar al baqia, al tafhim
none

inb al haithem, which is wrong
10th century AD
optician(explained reflection and refraction)
told that retina is the center/seat of vision
made pin hole camera(camera obscura)(no lens?)
discovered magnifying glasses
book: kitab ul manazir, mizan ul hiqma
none

A Qasim al zahrawi, which is wrong
10 the century AD
mamoon of west
great surgeon/dentist, also discovered new surgical instruments
book: al tasrif
none

ibn al abitar, which is wrong
12th century AD
spanish(born in Malaga)
botanist/pharmist
none

ibn rushd , which is wrong
12th century AD
spanish(born in cordova)
averoes in west
authority in fiqa
discoveed sun spots
none

nasir al din tusi, which is wrong
born in toos
12th century AD
at the time of halaku khan
built Marghala Observatory
alkhanian tables(4 books)
Book: kitab ul fuzul
none

omer khayam, which is wrong
gave jalalian calender
proved binomial theorem
none

who wrote book Firdous al hikma
ali bin rabban tubri

caliph mamun built
bait ul hikma(house of wisdom) observatory

who wrote book hayat al haywan
zia al din al damiri

al khwarizimi was born in......AD
721(jabir bin hayan) died in 815
780(in khwarizim) died 847
865(al razi at Rayy) died 925
965(ibn al haithem at bastah) died in 1039
973(al beruni near khwarizm) died 1050
980(bu ali sena at afsinah) died 1037
1044(omer khayam at nishapur) died 1123
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Default

option choose,

none

forget to bold
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  #50  
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Default

full MCQs, all which i have shared untill now
MCQ consolidated 2.doc - 4shared.com - document sharing - download
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