Everyday Science Mock Test 2

(1/focal length in meters) is equal to:

1 Mark(s)

Your Answer:

diameter of a lens diameter of a lens
weakness of a lens weakness of a lens
power of a lens power of a lens
quality of lens quality of lens

2-Butyne contains:______________?

1 Mark(s)

Your Answer:

sp hybridised carbon atoms only sp hybridised carbon atoms only
sp3 hybridised carbon atoms only sp3 hybridised carbon atoms only
both sp and sp2 hybridised carbon atoms both sp and sp2 hybridised carbon atoms
both sp and sp3 hybridised carbon atoms

A species which can accept a proton is called:

1 Mark(s)

Your Answer:

acid acid
base base
neutral compound neutral compound
cation cation

speed of sound in dry air at 20 °C is___________?

1 Mark(s)

Your Answer:

353 m/s 353 m/s
345 m/s 345 m/s
343 m/s 343 m/s
none of them none of them

Aneuploidy is:

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Your Answer:

Abnormal chromosome number Abnormal chromosome number
Normal chromosome number Normal chromosome number
Extra chromosome sets Extra chromosome sets
No abnormality No abnormality

Which one of the following may be termed as pure substance?

1 Mark(s)

Your Answer:

A) Sodium chloride A) Sodium chloride
B) Soft drink B) Soft drink
C) Aerosol C) Aerosol
D) Soil D) Soil

On increasing the temperature the rate of reaction increases mainly because_________________?

1 Mark(s)

Your Answer:

The activation energy of the reaction increases
Concentration of the reacting molecules increases
Collision frequency increases Collision frequency increases
None of these None of these

Physical sciences were divided into:

1 Mark(s)

Your Answer:

4 disciplines 4 disciplines
3 disciplines 3 disciplines
5 disciplines 5 disciplines
6 disciplines 6 disciplines

Hemoglobin pigment contain__________?

1 Mark(s)

Your Answer:

cu cu
oxygen oxygen
iron iron
heat heat

most essential for life__________?

1 Mark(s)

Your Answer:

movement movement
heat heat
rain rain
reproduction reproduction

Which brace each centrioles move against the__________?

1 Mark(s)

Your Answer:

fluid fluid
plasma membrane plasma membrane
nuclear envolpe nuclear envolpe
nucleus nucleus

The process of adding amino group to a compound is__________?

1 Mark(s)

Your Answer:

protien protien
amindoacid amindoacid
aminoacyl aminoacyl
kinetochore kinetochore

A series of hypothesis supported by the results of many tests is called ?

1 Mark(s)

Your Answer:

Scientific law Scientific law
Theory Theory
Data Data
Deduction Deduction

If Bb is a gene pair of an individual then the alleles for this gene pair are:

1 Mark(s)

Your Answer:

a and b a and b
b and b b and b
b and a b and a
b and b b and b

The largest and most complex marine algae are called __________?

1 Mark(s)

Your Answer:

chlorella chlorella
kelp kelp
seaweeds seaweeds
coenobia coenobia

The tension in a string is:

1 Mark(s)

Your Answer:

Gravitational force Gravitational force
Electromagnetic force Electromagnetic force
Nuclear force Nuclear force
Weak force Weak force

Perkin reaction involves:

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Your Answer:

Aldehyde + alcohol Aldehyde + alcohol
Aldehyde + amine Aldehyde + amine
Aldehyde + anhydride Aldehyde + anhydride
Ketone + anhydride Ketone + anhydride

Most reactive halogen is:

1 Mark(s)

Your Answer:

Fluorine Fluorine
Chlorine Chlorine
Bromine Bromine
Iodine Iodine

The automatic process of altering focus to get sharper image of near object is ______?

1 Mark(s)

Your Answer:

Vision Vision
Accommodation Accommodation
Focus Focus
All of these All of these

Velocity, displacement, force, momentum are the examples of:

1 Mark(s)

Your Answer:

energy energy
scalar scalar
vector vector
length length

The atomic numbers of the elements Na, Mg, K and Ca are 11, 12, 19 and 20 respectively. The element have the largest atomic radius is:

1 Mark(s)

Your Answer:

A) Mg A) Mg
B) Na B) Na
C) K C) K
D) Ca D) Ca

Deoxybinala have family__________?

1 Mark(s)

Your Answer:

haplovirales haplovirales
herpesvirdae herpesvirdae
phagoviriclae phagoviriclae
poxvirindae poxvirindae

Which of the following celestial bodies contains abundant quantities of helium-3, a potential source of energy?

1 Mark(s)

Your Answer:

Earth Earth
Venus Venus
Moon Moon
Saturn Saturn

Plaster of Paris is made by partial dehydration of:?

1 Mark(s)

Your Answer:

Green vitriol Green vitriol
Blue vitriol Blue vitriol
Gypsum salt Gypsum salt
Epsom salt Answer Epsom salt Answer

The thin lens formula assumes that lenses have:

1 Mark(s)

Your Answer:

no thickness no thickness
thickness thickness
no diopters no diopters
none of above none of above

Which of the following Filaments of oedogonium ___________?

1 Mark(s)

Your Answer:

Long Long
Unbranched Unbranched
Short branched Short branched
A and b boht A and b boht

Evaporation is _________ ?

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Your Answer:

Cooling process Cooling process
Exothermic process Exothermic process
Bottom process Bottom process
Rare process Rare process

In pakistan eight genera of solanaceae have following percent species _________?

1 Mark(s)

Your Answer:

23 23
50 50
56 56
60 60

The condensed structural formula of Butyric acid is:

1 Mark(s)

Your Answer:

CH3-CH2-CH2-COOH CH3-CH2-CH2-COOH
CH3-(CH2)4-COOH CH3-(CH2)4-COOH
CH3-(CH2)14-COOH CH3-(CH2)14-COOH
CH3-(CH2)16-COOH CH3-(CH2)16-COOH

Oxidative phosphorylation produces:

1 Mark(s)

Your Answer:

Most ATP Most ATP
Least ATP Least ATP
No ATP No ATP
Only 2 ATP Only 2 ATP

Earth’s orbital speed is __________?

1 Mark(s)

Your Answer:

70 km/s 70 km/s
60 km/s 60 km/s
45 km/s 45 km/s
30 km/s 30 km/s

Primary transcript is__________?

1 Mark(s)

Your Answer:

mRNA mRNA
tRNA tRNA
DNA DNA
ligase ligase

In which object, do not form shadows?

1 Mark(s)

Your Answer:

Transparent Transparent
Translucent Translucent
Opaque Opaque
None None

When propene reacts with HBr in the presence of peroxide, what product is formed?

1 Mark(s)

Your Answer:

Allyl bromide Allyl bromide
Isopropyl bromide Isopropyl bromide
3-bromopropane 3-bromopropane
n-propyl bromide n-propyl bromide

Which one the following gases is present in the atmosphere in the highest amount?

1 Mark(s)

Your Answer:

Oxygen Oxygen
Nitrogen Nitrogen
Helium Helium
Carbon Dioxide Carbon Dioxide

Which of the following hormone speeds up the growth in adolescence?

1 Mark(s)

Your Answer:

Thymosine Thymosine
ACTH ACTH
Insulin Insulin
Somatotrophin Somatotrophin

Current that changes direction after equal intervals of time is called:

1 Mark(s)

Your Answer:

direct current direct current
electric charge electric charge
conventional current conventional current
alternating current alternating current

Chlamydomonas order is _________?

1 Mark(s)

Your Answer:

chlorophyta chlorophyta
chlorophyceae chlorophyceae
volvocales volvocales
chlamydomonadaceae chlamydomonadaceae

Which of the following acts as a sink for CO?

1 Mark(s)

Your Answer:

A) Plants A) Plants
B) Haemoglobin B) Haemoglobin
C) Microorganisms present in the soil C) Microorganisms present in the soil
D) Oceans D) Oceans

The degenration of annulus cells cause dropping off following _________?

1 Mark(s)

Your Answer:

Operculum Operculum
Annulus Annulus
Hydroids Hydroids
Porella Porella

Evaluating Your Answers

Everyday Science Mock Test 2 : Question 1 of 40