Everyday Science Mock Test 4

The electronic circuits which implement the various logic operations are called_____________?

1 Mark(s)

Your Answer:

Logic gates Logic gates
Boolean algebra Boolean algebra
Amplifier gain Amplifier gain
Logic functions Logic functions

Most important effect of the moon on earth is that it___________?

1 Mark(s)

Your Answer:

Causes weather change Causes weather change
Causes earthquakes Causes earthquakes
Causes solar and lunar eclipse Causes solar and lunar eclipse
Effects tides of the ocean Effects tides of the ocean

Immature and adult of dragonfly is__________?

1 Mark(s)

Your Answer:

predators predators
prey prey
innocent innocent
complex complex

White fly phylum is__________?

1 Mark(s)

Your Answer:

animalia animalia
arthropoda arthropoda
virus virus
bacteria bacteria

Van de Graaff generator is used to generate:

1 Mark(s)

Your Answer:

High Voltage High Voltage
High Current High Current
High Resistance High Resistance
Magnetic Field Magnetic Field

Soil pollution is caused by:_________?

1 Mark(s)

Your Answer:

Aerosol Aerosol
Ozone Ozone
Acid rain Acid rain
PAN PAN

To distinguish between insulators and conductors, we can use:

1 Mark(s)

Your Answer:

electroscope electroscope
telescope telescope
endoscope endoscope
fiberscope fiberscope

Hibernation habitat of bats protect them___________?

1 Mark(s)

Your Answer:

2 2
4 4
5 5
7 7

The midpoint of the curved surface of a spherical mirror is called:

1 Mark(s)

Your Answer:

radius of curvature radius of curvature
pole pole
center of curvature center of curvature
focal length focal length

The coloured glassy mass in borax bead test is due to the formation of___________________?

1 Mark(s)

Your Answer:

metal borate metal borate
metal meta borate metal meta borate
metal boride metal boride
metal silicate metal silicate

Different tissues that perform the same function form an ______?

1 Mark(s)

Your Answer:

Organ Organ
Tissue Tissue
System System
Cell Cell

The type of reproduction which is necessary for evolution is _____?

1 Mark(s)

Your Answer:

Vegetative propagation Vegetative propagation
Fragmentation Fragmentation
Sexual reproduction Sexual reproduction
Cloning Cloning

The luster of diamond is due to_________?

1 Mark(s)

Your Answer:

Reflection Reflection
Total internal reflection Total internal reflection
Refraction Refraction
None of these None of these

A thermometer should be:

1 Mark(s)

Your Answer:

visible visible
have high boiling point have high boiling point
small specific heat small specific heat
all of above all of above

P.caudatus species length___________?

1 Mark(s)

Your Answer:

16mm 16mm
16m 16m
16cm 16cm
16km 16km

How many moles of H2 are added up when benzene is heated with hydrogen in the presence of platinum ?

1 Mark(s)

Your Answer:

Two Two
Three Three
Four Four
Six Six

Two wires of same material have lengths $L$ and $2L$ and cross-sectional areas $4A$ and $A$. The ratio of their Young's moduli is:

1 Mark(s)

Your Answer:

01:01:00 01:01:00
01:02:00 01:02:00
01:08:00 01:08:00
08:01:00 08:01:00

Which of the following cannot be used for measurement of time?

1 Mark(s)

Your Answer:

A) A leaking tap A) A leaking tap
B) Simple pendulum B) Simple pendulum
C) Shadow of an object during the day C) Shadow of an object during the day
D) Blinking of eyes D) Blinking of eyes

Production of cork is example of following ___________?

1 Mark(s)

Your Answer:

Secondary growth Secondary growth
Primary growth Primary growth
Tertiary growth Tertiary growth
Normal growth Normal growth

In diaphragm cell level of brine in anode compartment is kept slightly higher which prevents_______________?

1 Mark(s)

Your Answer:

Hydroxide ions to reach anode Hydroxide ions to reach anode
Chlorine gas to mix Chlorine gas to mix
Cathode to decay Cathode to decay
All of the above All of the above

_________ extends from the top of the troposphere to the bottom of the mesosphere.

1 Mark(s)

Your Answer:

Thermosphere Thermosphere
Ionosphere Ionosphere
Stratosphere Stratosphere
None of the above None of the above

Viruses are obligate intracellular__________?

1 Mark(s)

Your Answer:

parasite parasite
bacteria bacteria
animals animals
plants plants

The process of copying genetic information from one strand of DNA to RNA is termed as _________ .

1 Mark(s)

Your Answer:

A) replication A) replication
B) transcription B) transcription
C) translation C) translation
D) reverse transcription D) reverse transcription

Vestigial character disappear in which generation___________?

1 Mark(s)

Your Answer:

F1 F1
F2 F2
F3 F3
F4 F4

Area where river meet with sea is?

1 Mark(s)

Your Answer:

Estuarine water Estuarine water
Solid water Solid water
Freshwater Freshwater
Marine water Marine water

Irritation caused by stimulus is the main cause of ______?

1 Mark(s)

Your Answer:

Tropism Tropism
Movement Movement
Locomotion Locomotion
Arthritis Arthritis

Which of the following causes unprovoked seizures in the patient?

1 Mark(s)

Your Answer:

epilepsy epilepsy
paralysis paralysis
stroke stroke
nervous disorder nervous disorder

Which of the following species of marsilea found common in Pakistan__________?

1 Mark(s)

Your Answer:

Marsilea quadrifolia Marsilea quadrifolia
Marsilea minuta Marsilea minuta
Marislea green Marislea green
A and b both A and b both

Which of the following formed the seed coat_________?

1 Mark(s)

Your Answer:

Ovule Ovule
Integument Integument
Endodermis Endodermis
Ectodermis Ectodermis

Mercury, Venus, Earth, and Mars are called terrestrial planets because they are small and mainly made up of _____?

1 Mark(s)

Your Answer:

Ice Ice
Water Water
Rocks Rocks
Carbon Dioxide Carbon Dioxide

What is tincture of iodine?

1 Mark(s)

Your Answer:

A) 2-3% solution of iodine in alcohol-water mixture
B) A mixture of iodine in chloroxylenol B) A mixture of iodine in chloroxylenol
C) A mixture of 0.2% phenol and 2-3% iodine in water
D) 2-3% solution of iodine in potassium iodide

The correct age of solar system is approximately __________?

1 Mark(s)

Your Answer:

4.3 Billion years 4.3 Billion years
4.4 Billion years 4.4 Billion years
4.5 Billion years 4.5 Billion years
None of these None of these

What is unit of Pressure?

1 Mark(s)

Your Answer:

Barr Barr
Torr Torr
Pascal Pascal
All of these All of these

Where do the Prime Meridian and the equator intersect each other point?

1 Mark(s)

Your Answer:

Arabian Peninsula Arabian Peninsula
Malacca Strait Malacca Strait
Gulf of Guinea Gulf of Guinea
All of These All of These

The body is in equilibrium if sum of all the:

1 Mark(s)

Your Answer:

forces acting on it is zero only forces acting on it is zero only
torque acting on it is zero only torque acting on it is zero only
momentum acting on it zero momentum acting on it zero
forces and acting on it is zero forces and acting on it is zero

Hardness of water is due to:

1 Mark(s)

Your Answer:

$\ce{Na+}$ $\ce{Na+}$
$\ce{Ca^2+}$ and $\ce{Mg^2+}$ $\ce{Ca^2+}$ and $\ce{Mg^2+}$
$\ce{K+}$ $\ce{K+}$
$\ce{Fe^3+}$ $\ce{Fe^3+}$

Ozone (O?) comprises of:

1 Mark(s)

Your Answer:

one oxygen atom one oxygen atom
2 oxygen atoms 2 oxygen atoms
3 oxygen atoms 3 oxygen atoms
4 oxygen atoms 4 oxygen atoms

Which of the following modified shoot _________?

1 Mark(s)

Your Answer:

Flowers Flowers
Leaves Leaves
Stem Stem
Root Root

Which of the following is an acute inflammation of the liver?

1 Mark(s)

Your Answer:

cholera cholera
dysentery dysentery
jaundice jaundice
hepatitis hepatitis

Reducing agent is:

1 Mark(s)

Your Answer:

Loses electrons Loses electrons
Gains electrons Gains electrons
Accepts electrons Accepts electrons
Donates O Donates O

On dissolution of the firm, Partners’ Capital Accounts are closed through :

1 Mark(s)

Your Answer:

A) Realisation Account A) Realisation Account
B) Drawings Account . B) Drawings Account .
C) Bank Account C) Bank Account
D) Loan Account D) Loan Account

Which fluid is used in hydraulic power systems?

1 Mark(s)

Your Answer:

Water Water
Oil Oil
Non-compressible fluid Non-compressible fluid
All of these All of these

A germinated microspore has:

1 Mark(s)

Your Answer:

tube nucleus only tube nucleus only
two sperms only two sperms only
three sperms three sperms
tube nucleus and two sperms tube nucleus and two sperms

The value of n in the molecular formula Be n Al 2 Si 6 O 18 is

1 Mark(s)

Your Answer:

A) 3 A) 3
B) 5 B) 5
C) 7 C) 7
D) 9 D) 9

Age at the beginning of the period triassic million years ago__________?

1 Mark(s)

Your Answer:

195 195
200 200
240 240
300 300

The increasing vapor pressure caused by heating a liquid is due to___________?

1 Mark(s)

Your Answer:

increase inter-molecular interactions increase inter-molecular interactions
increasing potential energy of molecules
increasing kinetic energy of molecules increasing kinetic energy of molecules
decreasing surface tension decreasing surface tension

Four major factors of limiting___________?

1 Mark(s)

Your Answer:

food food
shelter shelter
water and sapce water and sapce
all all

Which of the following disease cause by Albugo Candida___________?

1 Mark(s)

Your Answer:

White rust White rust
Green rust Green rust
Yellow rust Yellow rust
Brown rust Brown rust

Which instrument is suitable to measure the internal diameter of a test tube?

1 Mark(s)

Your Answer:

Vernier Callipers Vernier Callipers
Screw Gauge Screw Gauge
Bore Gauge Bore Gauge
None None

If we convert 110 °F into Celsius scale of temperature, we get:

1 Mark(s)

Your Answer:

43.3 °C 43.3 °C
0 °C 0 °C
150 °C 150 °C
60.5 °C 60.5 °C

Mycology is branch of following_________?

1 Mark(s)

Your Answer:

zoology zoology
ecology ecology
botany botany
chemistry chemistry

Which gas is commonly used in balloons and airships?

1 Mark(s)

Your Answer:

Helium Helium
Hydrogen Hydrogen
Carbon Carbon
Chlorine Chlorine

Who discovered the inverse square law for gravity ?

1 Mark(s)

Your Answer:

Einstein Einstein
Galileo Galileo
Newtons Newtons
Plank Plank

As compare to air, sound waves travel:

1 Mark(s)

Your Answer:

3 times faster 3 times faster
5 times slower 5 times slower
5 times faster 5 times faster
2 times lower 2 times lower

A person moves towards a plane mirror with speed $v$. The speed at which his image approaches him is:

1 Mark(s)

Your Answer:

$v$ $v$
$v/2$ $v/2$
$2v$ $2v$
$4v$ $4v$

The spore produced at the tip of hyphae outside the sporangia is __________?

1 Mark(s)

Your Answer:

endospore endospore
ectospore ectospore
conidia conidia
zoospore zoospore

The image formed by a plane mirror is ______ in size to the object.

1 Mark(s)

Your Answer:

Smaller Smaller
Larger Larger
Different Different
Same Same

Which of the following statements concerning potassium channel openers is true?

1 Mark(s)

Your Answer:

nd in a cardiac muscle with a reduction in contractility
These agents has a moderate reflex and vascular dilative action caused by the stimulation of sensitive nerve endings
Beneficial effects of these agents are related primarily to their hemodynamic effects – decreased heart rate, blood
These agents increase the permeability of K channels, probably ATP-dependent K channels, that results in stabilizing the membrane potential of excitable cells near the resting potential

If force of 6N displaces an object 2m in the direction of force, then work done will be __________?

1 Mark(s)

Your Answer:

0 0
12 Joule 12 Joule
3 Joule 3 Joule
Both b and c Both b and c

A time of decreasing metabolism and lower body temperature___________?

1 Mark(s)

Your Answer:

starvation starvation
activation activation
torpor torpor
disease disease

If the spring is stretched or compressed through a small displacement x from its mean position, then on mass it exerts a:

1 Mark(s)

Your Answer:

strain strain
stress stress
energy energy
force force

Ultrasonic waves carry more:

1 Mark(s)

Your Answer:

energy only energy only
frequency only frequency only
heat heat
energy and frequency energy and frequency

Phase of the growth bacteria during reproduction__________?

1 Mark(s)

Your Answer:

one one
two two
three three
four four

When Earth is between the Moon and the Sun, this forms a shadow of the Earth, and the Moon passes through this shadow of the Earth, causing a ______?

1 Mark(s)

Your Answer:

Solar Eclipse Solar Eclipse
Lunar Eclipse Lunar Eclipse
Moon Shadow Moon Shadow
Earth Shadow Earth Shadow

Which of the following is/are characteristics of amphibians?

1 Mark(s)

Your Answer:

Lives on/in land/water Lives on/in land/water
Cold-blooded Cold-blooded
Moist skin Moist skin
Both A and B Both A and B
All of these All of these

Dipole-induced dipole interactions are present in which of the following pairs?

1 Mark(s)

Your Answer:

A) H 2 O and alcohol A) H 2 O and alcohol
B) Cl 2 and CCl 4 B) Cl 2 and CCl 4
C) HCl and He atoms C) HCl and He atoms
D) SiF 4 and He atoms D) SiF 4 and He atoms

Sensory cell with terminal bristles in a row along the middle annulus called__________?

1 Mark(s)

Your Answer:

photoreceptor cell photoreceptor cell
sensory cell sensory cell
sensory papilae sensory papilae
nereis nereis

The vertex of spherical mirror lies on:

1 Mark(s)

Your Answer:

center center
edge edge
lower surface lower surface
all of above all of above

Evaluating Your Answers

Everyday Science Mock Test 4 : Question 1 of 68