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WorksheetsFinal Quiz 8th grade
Total questions: 108
Worksheet time: 2hrs 6mins
Where in a river do sediments accumulate?
In the catchment basin.
In the drainage channel.
In the alluvial fan.
In the upper course of a river …
V-shaped valleys are formed.
Deltas and estuaries are formed.
Gorges and canyons are formed.
What are fluvial terraces?
Very deep and narrow channels.
Bends that the river carves out of the land.
Remains of old flood plains.
What happens when the water table of an aquifer is cut off by features in the relief?
Wells form.
Springs form.
The water table of an aquifer cannot be cut off by features in the relief.
Which is the main geological action of groundwater?
Sedimentation of matter.
Rocks are dissolved.
Overexploitation of aquifers.
Stalactites...
Grow from the ceiling.
Grow from the ground.
Grow horizontally.
Stalagmites...
Grow from the ground
Grow from the ceiling
Grow horizontally
Enormous masses of ice that form in very cold places
Glaciers
Polar ice caps
Moraines
What is the main energy source for cells?
Calcium.
Glucose.
Iron.
Amino acid chains form ...
Lipids.
Minerals.
Proteins.
What type of energy expenditure does brain activity constitute?
Absorption energy.
Basal metabolism.
Physical activity.
What foods have a structural function?
Body-building foods.
Energy-producing foods.
Body-regulating foods.
What is vital in every healthy diet?
Water and exercise.
Alcohol and exercise.
Water and sedentary lifestyle.
The foods from group I are formed mainly of ...
Lipids.
Carbohydrates.
Proteins.
What must we take into account for a healthy diet? State which one is false.
It should not include dietary fibre.
It has to be varied.
It must provide the energy we need.
What diet is often recommended after surgery?
A soft diet.
A vegetarian diet.
A high-calorie diet.
What illness is someone suffering from if they eat a lot and then make themselves vomit?
Bulimia.
Rickets.
Anorexia nervosa.
What is hypervitaminosis?
The lack of vitamins in the body.
The lack of vitamins in the body.
The excessive removal of vitamins.
The cyclical movement of rock masses that takes place in the mantle are called...
Geothermal energy.
Geothermal currents.
Convection currents.
None of the above
Convergent boundaries usually coincide with...
An oceanic ridge.
A trench.
A continental slope
The internal dynamic processes of the geosphere cause the formation of...
Igneous and sedimentary rocks.
Igneous and metamorphic rocks.
Sedimentary and metamorphic rocks.
When magma does not reach the surface and solidifies inside the crust...
Volcanic rocks are formed.
Plutonic rocks are formed.
Metamorphic rocks are formed
What types of rocks can contain fossils?
Sedimentary rocks.
Igneous rocks.
Metamorphic rocks.
None of the above.
Depending on the origin of the sediment, sedimentary rocks can be...
None of the above
Foliated or non-foliated
Volcanic or plutonic.
Detrital or non-detrital.
Seismic waves reach the Earth’s surface at the...
Epicentre.
Hypocentre.
Supercentre.
What are the parts of a typical volcano?
Volcanic chamber, conduit, magma edifice and crater.
Magma chamber, conduit, volcanic edifice and crater.
Chamber, volcanic conduit, magma edifice and crater.
Where is the only place in Spain with active volcanoes?
Balearic Islands.
Galicia.
Canary Islands.
Where are most mountain ranges formed?
At convergent boundaries.
At conservative boundaries.
At divergent boundaries.
What are biomolecules?
Inorganic molecules that make up living beings.
Organic molecules that make up living beings.
Molecules that make up living beings; they may be organic or inorganic.
What is the first level of organisation capable of performing the vital functions?
Cellular level.
Organism level.
Molecular level.
Which organelle produces cellular proteins?
Mitochondria.
Ribosomes.
Lysosomes.
What are cones?
Photoreceptor cells found in the retina.
Muscle cells that are spindle-shaped.
Spherical cells full of fat
In connective tissue:
The cells are elongated and very close to one another.
The cells are small, egg-shaped and arranged in groups of three.
The cells are arranged irregularly and surrounded by fibres.
What is plasma?
The cells in the blood.
The liquid matrix of the blood.
The solid matrix of the blood.
The lymphatic system is involved in:
The reproduction function..
The interaction function..
The nutrition function..
Which system is responsible for inducing responses?
The endocrine system.
The muscular system.
The lymphatic system.
What does the diaphragm in an optical microscope do?
It brings the specimen into focus.
It increases the size of the image.
It adjusts the amount of light that reaches the specimen.
Electron microscopes:
Increase the size of a sample by 2500.
Use a beam of electrons.
Enable us to observe colour images.
They constitute water and minerals
Organic biomolecules
Inorganic biomelecules
None of the above
They are found only in living things
Organic biomolecules
Inorganic biomelecules
None of the above
These cells have many branches. Their elongated shape enables them to collect and transmit information.
Neurons
Red blood cells
Cones
Epithelial cells
These cells are boconcave. They do not have a nucleus. They transport oxygen.
Neurons
Red blood cells
Cones
Epithelial cells
These cells may be cylindrical cube shaped or flat. These cells cover the organs.
Neurons
Red blood cells
Cones
Epithelial cells
These cells are photoreceptor in the retina. They are sensitive to light
Neurons
Red blood cells
Cones
Epithelial cells
What food-borne illness is caused by the consumption of raw fish?
Botulism.
Anisakiasis.
Trichinosis.
What type of food contamination is caused by traces of pesticides, and can lead to cancer?
Chemical contamination.
Biological contamination.
Physical contamination.
Which of the following is not a step in the food supply chain?
Consumption.
Sale.
Storage.
Are food handlers legally obliged to inform someone when they have an illness?
Yes, in case the illness could contaminate the food.
No, never.
Only if they want to.
What is a sign of food in bad conditions?
Hard frozen foods.
Cold refrigerated foods.
Tin cans with swollen lids.
What do you call the date that guarantees the optimal quality of the product when stored in optimal conditions?
Best before date.
Use-by date.
Packaging date.
What does sterilisation consist of?
Completely removing water from food.
Subjecting food to a temperature of 135°C for a few seconds.
Heating foods to 80°C and then cooling them quickly.
What preservative is used in pickling?
Salt.
Smoke.
Vinegar.
Which of the following food additives is a flavour enhancer?
Alginate.
Sorbic acid.
Glutamate
What method of preservation uses heat?
Pasteurisation.
Smoking.
Brining.
What function does the digestive system carry out?
It is responsible for carrying nutrients to the cells.
It is responsible for gas exchange.
It is responsible for transforming food into nutrients.
The pharynx forms part of the...
Digestive system and respiratory system.
Respiratory system.
Digestive system.
The stomach...
Is connected to the oesophagus via the cardia.
Is connected to the small intestine via the cardia.
Is connected to the oesophagus via the pylorus.
Which is the largest gland in the body?
Pancreas.
Salivary glands.
Liver.
What is the name of the mush that forms in the stomach due to the action of gastric juices on proteins?
Chyme.
Chyte.
Chyle.
Which organ secretes bile?
Intestine.
Pancreas.
Liver.
What part of the digestive system is the longest?
Oesophagus.
Small intestine.
Large intestine.
Where are water and minerals absorbed?
Stomach.
Small intestine.
Large intestine.
During inhalation ...
The diaphragm relaxes.
The diaphragm expands.
The diaphragm contracts.
What are the sacs found at the end of the bronchioles called?
Alveoli.
Pleura.
Nassal passages
Enables people to percievechanges and stimull that occur both inside their bodies and in their enviroment., to interpret or process them and generate coordinated responses in order to survive.
Internal receptors
Stimulus
The interaction function
Photoreceptors
True or false: Receptor can be either internal or external
TRUE
FALSE
This receptors are found inside the organ shown in the picture.
Thermoreceptors
Chemoreceptors
Photoreceptors
Mechanoreceptors
Humans have five senses which are:
Smell, touch, hearing, taste and sight
Internal receptors and external receptors
None of the above
Responses
What is needed to perceive an odour
The olfatory cells located in the upper part of the nasal cavity.
Volatile or gaseous substances from the air are needed to stimulate the olfatory cells located in the nasal cavity.
Chemoreceptors.
All of the above.
What part of the ear are the hearing receptors cells found in?
The hearing receptors are found in the cochlea
The hearing receptors are found in the vestibular nerve
The hearing receptors are found in the auditory nerve
The hearing receptors are found in the inner ear
What is the definition of dendrite?
Is a short, branched extension of the neuron through which it generally receives information through nerve impulses.
Is a chemical susbtance that is stored in the axon terminals.
Is kind of or like an electrical current.
None of the above.
Which part of the brain controls the movements of the heart?
The circumvolutions.
The cerebral cortex.
The brain stem.
Cerebellum
If a man loses his balance regularly, what part of his brain might be damaged?
The cerebral cortex
The brain stem
The cerebellum
The circumvolutions
Regulates the amount of water eliminated through urine.
The pituitary gland
Thyroid gland
Pancreas
Adrenals glands
Prepares de body for action.
Cortisol
Asdrenal glands
Pirtuitary gland
Pancreas
Increases the chemical activity of the cells of many of the body´s organs.
Thyroxine
Parathyroid hormone
Testoterone
Adrenaline
Why is necessary to warm up before intense physical exercise?
This helps to prevents muscle, tendon and ligament injuries.
Reduction of glare recovery
None of the above
In order to prevent contractures or injuries
Name in order (beginning from the left) each part of the neuron.
Nucleus, dendrite, axon, axon terminal
Dendrite, nucleus, axon terminal
Axon, dendrite, nucleus, axon terminal
None of the above.
Whar is scollosis?
A problem affecting the soft tissues
A problem affecting the joints
A problem affecting the bones
None of the above.
What is the name given to characteristics inherited from parents?
Congenital
Natural
Acquired
How is cholera transmitted?
Eating contaminated food
Through an insect bite
None of the above
What are the components of innate immunity?
External defences and lymphocytes.
External defences and phagocytes.
Internal defences and lymphocytes.
What are phagocytes?
Red blood cells that capture pathogens.
White blood cells that release pathogens.
White blood cells that capture pathogens.
Which cells provide acquired immunity?
Lymphocytes.
Phagocytes.
Platelets.
Vaccines...
Are administered when a patient is suffering from an illness.
Prevent diseases, but they do not cure them.
Prevent and cure diseases.
What type of medicine is paracetamol?
Antibiotic.
Analgesic.
Antiviral.
What characterises xenotrasplantation?
The transplanted organ is artificial.
The donor and the receiver are the same person.
The donor is an animal.
Organ donation is ...
A selfless, altruistic and solidarity act.
A selfless, altruistic and egotistic act.
A selfish, altruistic and solidarity act.
What are serums?
Synthetic preparations that contain antibodies to fight off a specific pathogen.
Compounds containing active ingredients that cure illnesses or alleviate symptoms.
Synthetic preparations that contain inactive pathogens.
Set of defence mechanism that provide the human body with the resistance to infections caused by pathogens
Immune system
Innate
Health and its determinants
None of the above
Are compounds that contain substances called active ingridients
Medications
Serums
Transplants
None of the above
The changes biological communities undergo may be due to:
Natural causes or human intervention.
None of the above are correct.
Human intervention.
Natural causes.
The main causes of environmental impacts are:
The increasing need to obtain food and raw materials, the increasing need for developable land, less waste production and less pollution, along with selfish use of humanity's natural heritage.
The increasing need to obtain food and raw materials, the increasing need for developable land, more waste production and more pollution, along with selfish use of humanity's natural heritage.
The increasing need to obtain food and raw materials, the decreasing need for developable land, less waste production and less pollution, along with selfish use of humanity's natural heritage.
The decreasing need to obtain food and raw materials, the increasing need for developable land, more waste production and less pollution, along with selfish use of humanity's natural heritage.
The progressive destruction of forests is associated to:
Forest fires, natural causes or human action.
Construction of houses and infrastructure.
Obtaining land for agriculture, livestock or industry.
All options are correct.
The countries with the lowest human development index (HDI) are:
In central Africa.
In Australia.
In North America.
In central Europe.
The term sustainable development originally appeared in the
Wordllife report.
Brundtland report.
Saveworld report.
Brundenstand report.
Protective measures are taken to:
Prevent possible forest catastrophes.
Prevent possible river flooding.
Prevent possible environmental impacts.
Prevent possible meteorite impacts.
The main corrective measures are:
The rehabilitation of degraded areas, environmental audits or eco-audits, and eco-labelling.
The rehabilitation of protected areas, environmental audits or eco-audits, and eco-labelling.
The rehabilitation of protected areas, environmental audits or eco-audits, and labelling authorised by the European Economic Community.
The rehabilitation of degraded areas, audits of expenditure in national parks, and eco-labelling.
What is the purpose of mechanisms of self-regulation?
To increase the effects of human actions.
To increase the number of individuals of a population.
To counteract the effects of natural changes and human actions.
The wood and cork obtained from the forrest are
Energy resources
Raw material
Fuel
Why do ecosystems regulate the working of the planet?
Ecosystems do not regulate the working of the planet.
Because they play a part in regulating the climate and illnesses.
Because they help to increase pollution.
What cultural services do ecosystems offer us?
Food.
Opportunities for recreation.
Energy resources.
None of the above
What are environmental impacts?
The effects that human activities have on the environment.
The effect caused by natural disasters.
The effect caused by the appearance of a new ecosystem.
How are ecosystems disrupted?
Due to the care and excessive maintenances of natural spaces.
As a result of creating new natural resources.
Due to the occupation, pollution and destruction of natural spaces.
When does the extinction of a species occur?
When there are only five individuals left.
When the youngest individuals die, but the adults remain.
When the last individual dies.
FIrst and 3rd option are right.
What type of erotion is shown on the picture?
Wind erotion
Water erotion
Glacial erotion
What type of erotion is shown on the picture?
Wind erotion
Water erotion
Glacial erotion
What type of erotion is shown on the picture?
Wind erotion
Water erotion
Glacial erotion
