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WorksheetsScholastic Aptitude 2 - Science
Total questions: 30
Worksheet time: 15mins
How can one check the spoilage of pickles?
By increasing the concentration of sugar or table salt
By pouring some water
Keeping the pickle in dark
Covering the container with a cloth
Which one of the following groups does not include any macronutrients?
Iron, calcium, boron
Sulphur, copper, zinc
Chlorine, boron, zinc
Boron, magnesium, chlorine
Chickenpox is caused by
Varicella Zoster
Varicella Foster
Varicella Monster
Varicella Hoster
Sunken tearless eye, thirst, loss of elasticity in the skin, and sudden weight loss are the symptoms of
diptheria
diarrhoea
rabies
hepatitis
The loudness of sound depends upon
intensity of sound
sensitiveness of the ear
the intensity of sound and sensitiveness of the ear
none of these
Water has a high boiling point because its molecules have
strong intramolecular forces
strong intermolecular forces
weak intermolecular forces
weak intramolecular forces
The method of separation of lead sulphate from lead chloride is
crystallisation
dissolution in hot water and filtration
sedimentation
sublimation
What type of colloid is milk?
Aerosol
Foam
Sol
Emulsion
Muscles present in the tongue are
voluntary skeletal muscle
involuntary skeletal muscle
voluntary smooth muscle
involuntary smooth muscle
Type of soil is determined by
the average colour of particles
the average size of particles
the average shape of particles
all of these
Elements present in fossil fuels, which cause air pollution are
Oxygen, phosphorus
Nitrogen, sulphur
Carbon, oxygen
Hydrogen, Phosphorus
Name a plastid that is responsible for the pollination of flowers
Elaioplast
Chromoplast
Chloroplast
Amyloplast
Which fertiliser is not applied to legumes?
Nitrogenous
Phosphatic
Potassium
None of these
Cholera is caused by
Vibrio mycobacterium
Vibrio Cholera
Mycobacterium Cholera
Mycobacterium Viibrae
The kinetic energy of the particles of matter and the force of attraction between them are
inversely proportional
directly proportional
not related
equal
What is tincture iodine?
Solution of iodine in water
Solution of iodine in acetone
Solution of iodine in alcohol
Solution of iodine in the air
20g of sugar is dissolved in 80g of water. So, concentration in mass % of the solution is
100%
20%
80%
60%
Drugs are separated from blood by
evaporation
coagulation
distillation
chromatography
The nucleus of the protium atom does not contain
neutron
electron
protons
all of these
Sprain is caused by excessive pulling of
muscles
tendon
ligaments
nerve
Smooth muscles are not found in
iris of eyes
bronchi
blood vessels
neck
What is the adaptation of xerophytes to prevent loss of water?
Presence of cuticle
Sunken Stomata
Leaves reduced to spine
All of these
The change in linear momentum of the body is called
force
acceleration
impulse
velocity
Which of the following is correct?
Weight is a variable quantity whereas mass is a constant quantity
Weight is a constant quantity whereas mass is a variable quantity
Both weight and mass variable quantities
Both weight and mass constant quantities
The most serious threat among the following to the ozone shield in the atmosphere is
Electric lightning
Carbon dioxide
Chlorofluorocarbon
UV rays
Oxide of _____________ and ______________ dissolve in rain to give rise to acid rain
sulphur, carbon
magnesium, sodium
nitrogen, sulphur
phosphorus, magnesium
Why are mitochondria able to make some of their own protein?
Because of the presence of DNA
Because of the presence of DNA and Ribosomes
Because the mitochondrial matrix is rich in protein
Because space is present between its outer and inner membrane
Which is/are the part of the defence mechanism of the body?
Hair and mucus in nostrils
Skin
Tears of eyes
All of these
The loudness of sound is measured in
decibel
hertz
watt
watt per metre square
Impact of the gas molecules on the walls of the container produce
high temperature
pressure
elasticity
viscosity
