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WorksheetsScience For Living part 1
Total questions: 60
Worksheet time: 49mins
The unit for volume in the metric system is
pint
litre
gallon
quart
Which is an example of a disease associated with lead?
brain damage
cholera
poliomyelitis
tuberculosis
Which chemical is best for removing nail polish?
acetone
methylated spirit
washing soda
borax
Why are fluorides added to drinking water?
to provide salts for growth
to destroy microorganisms
to remove harmful bacteria
to prevent tooth decay
This is the alteration and harming of the environment,brought about by the activities of humans (a)
They are organic substances that are needed in minute amounts in the body
(a)
Tiny openings which serve for gaseous exchange between the leaves and the atmosphere are called (a)
A type of genetic material that stores information of all the physical and chemical characteristics of the organism (a)
what is the name given to this acid ........when carbon dioxide,oxides of nitrogen and sulphur dioxide from combustion dissolve in rainwater to form weak acids(carbonic,nitric and sulphuric acids)that caused the damage of it (a) rain
A farmer finds a stream through his land is choked with water plants. What is the solution to clear this.He can ensure that the stream do not receive "run off" fertilizer,pesticides or organic (a) (containing mineral salts)
The structural physiological of behavior and characteristics of an organism which makes it better suited for its environment are its ______
adaptation
alteration
morphology
function
what causes eutrophication(the large growth of water weed)?
excess carbon dioxide in the water
fertilisers washed in from farmland
pollution by heavy metals
excess oxygen in the water
pure substances that cannot be decomposed by chemical means are referred to as ______
compounds
electrons
elements
solids
(a) the basic unit of temperature in the metric system is Celsius,True or false
(a) Dimensional analyses area method of converting from one unit to another.
(a) the standard system of measurement used by all scientist is the metric system
an association where one partner benefits and the other suffers is parasitism (a)
the physicists give special attention to the cell theory, while the biologists examine the atomic theory (a)
Scientific attitude of the scientists consist of humility,responsibility,risk taking,inventiveness,Open mindedness,objectivity,beliefs ,Intellectual honesty and (a)
It is the name given to the membrane that will let some molecules to pass through it but stopping others because of their size (a) -
Mosquitoes can transmit AIDS,True or False
(a)
Which is an early sign or symptom of gonorrhoea?
burning sensation when urinating
hard red ulcers around the genitals
blisters around the genitals
brain damage
A farmer sold his neighbour 966,000g of Irish potatoes,how many (lbs) pounds of Irish potatoes did the neighbor receive? (1000g=2.2lbs)
2125.2 lbs
1252.2lbs
966.000 lbs
All of the above
A drug is a chemical, which alters metabolic actions in the body and often alter the psychological state, true or false (a)
Drug abuse means taking drugs in excess,or for reasons other than their medical use, Dependance is physical when the body metabolism is changed or psychological when feelings are adversely affected. so that addiction to the drug occurs. True or false
(a)
What is the best treatment for a child suffering from thread worms?
take drugs to expel the worms
ensure proper food hygiene
avoid skin contact
antibody serum injection
The influenza virus is best described as a
vector
reservoir
pathogen
carrier
Paracetamol and aspirin are frequently taken to reduce pain during illness.Antibiotics are prescribed drugs that destroy pathogens.Sedatives drugs may be prescribed for cases of sleeplessness.All of these are called (a) drugs are taken under medical advice for prevention or cure of diseases.
A lack of Vitamin D can caused rickets.True or False
(a)
A pick up truck was imported from the U.S into England.The maximum laden weight of this truck is stated as 70,000 lbs.Since the country Britian used the unit Kg to measure weight. What would be advertised laden weight in Kg.Could the answer be 31818.2 true or false (a)
The kidneys has three main parts namely the cortex,the medulla, and pelvis.True or False
(a)
This is the name given to the control of water content of the body (a) Plants and animals living in fresh water take in water by osmosis.....
A type of electricity ,which comes to our homes by a cable containing two wires,the live(l) and the neutral(N) (a)
This is how electricity in the home is measured in (a)
Appliances that produce heat i.e. using electrical energy to produce heat energy are usually (a) consumers of electricity.
The kidneys are made up of hundreds of thousands of tiny tubles called (a) .Each begins in the cortex,loops down into the medulla back into the cortex and then goes down again through the medulla to the pelvis.In the pelvis they join up with the ureter.
These are (a) of light include the sun, fire,electric,bulbs,bioluminescent...
Microbes are very good for your body true or false (a)
The science of food and how the body uses it in health and disease is known as
health science
science for living
nutrition
biology
The digestion of carbohydrates begins in the
mouth
oesophagus
stomach
duodenum
the human kidney is made up of
2 million nephrons
3 million nephrons
1 million nephrons
5 million nephrons
Energy cannot be created nor destroyed in a chemical reaction or by physical change but it can be converted from one form to another.This is the law of _____
conservation of matter
conservation of motion
conservation of energy
conservation of heat
These are the tiny air sacs in the lungs in which the exchange of gases between the blood and air takes place
Alveoli
Bowman's Capsule
Haemoglobin
Myoglobin
Respiration at the cellular level is known as
Respiratory chain
Internal respiration
Breathing mechanism
energy cell mechanism
In general plant leaves are green in colour because of the presence of
magnesium
oxygen
carbon dioxide
chlorophyll
Root hairs absorb water by the process of
density
photosynthesis
osmosis
diffusion
which gas is essential for human respiration
nitrogen
oxygen
argon
redon
Which of the following enzyme digests fats
lipase
maltase
lactose
sucrase
Which enzyme is normally produced by children but not in adults
trypsin
pepsin
renin
amylase
A contraceptive device consisting of a flexible dome shaped cup that could be fixed in the cervix is known as a psychoactive device. true or false
(a)
When using standard form the number being transformed into standard form must have the first integer or counting number followed by a decimal point. true or false
(a)
true or false the constant refinement of scientific theories can be viewed as a "weakness of Science" in methodology.
(a)
true or false Some non-zero digits are considered not significant
(a)
Acid rain is caused by sulfur dioxide and nitrogen oxides released into the atmosphere.
(a)
The ozone layer depletion has no effect on human health.
(a)
Planting trees helps reduce the effects of climate change by absorbing carbon dioxide.
(a)
Climate change has no effect on the frequency of droughts and floods.
(a)
Electron microscopes use visible light to create images.
(a)
Prescription drugs can never lead to addiction.
(a)
A block of wood is an example of a solid. Solids expand when heated.
(a)
