Pregunta 1
Pregunta
The movement of translation of the earth gives origin to:
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A day
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A month
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Six months
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A year
Pregunta 2
Pregunta
The consequences of inclination of the axis of the earth are:
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Different climatic zones appear
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Days and nights of uneven length
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Investment of the stations in both hemispheres
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All the precious
Pregunta 3
Pregunta
The movement of rotation is produced each:
Respuesta
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365 days
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365 days and 6 hours
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24 hours
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24 hours and 6 minutes
Pregunta 4
Pregunta
The equinoxes are:
Pregunta 5
Pregunta
In a eclipse of sun:
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The moon interposes between the earth and the sun.
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The moon interposes between the sun and the moon.
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A planet interposes between the earth and the moon.
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A planet interposes between the moon and the earth.
Pregunta 6
Pregunta
High tide makes reference to:
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The movements of rising and falling in the falling in the waters a of open seas.
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To the minimum level that reaches a tide.
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To the movement of the waters when the moon is waning.
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None of the above.
Pregunta 7
Pregunta
The tides are produced by:
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The rise and fall of the waters of the open seas.
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The gravitational attraction of the moon, earth and the sun.
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The high tide and the low tide.
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All the previous.
Pregunta 8
Pregunta
The internal structure of the earth has the following layers:
Pregunta 9
Pregunta
The depth from the bark to the mantle is of roughly 5100 km.
Pregunta 10
Pregunta
The lithosphere is:
Respuesta
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A part of the mantle.
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A part of the bark.
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A solid layer.
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All the previous.
Pregunta 11
Pregunta
The tectonics of plates is:
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A fragment of lithosphere that moves.
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The seismic and volcanic activity.
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A theory.
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The upper portion colder and rigid of the earth.
Pregunta 12
Pregunta
The part of the geology that studies the training and origin of the mountains is called:
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Litosfenia.
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Orogeny.
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Oroterea.
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Litogénesis.
Pregunta 13
Pregunta
The point of origin of an earthquake is:
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The epicentre.
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The hypocentre.
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The hypercentre
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The plane of fails.
Pregunta 14
Pregunta
In a volcano the following parts can be distinguished:
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Volcanic cone and magmatic chamber.
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Crater and magmatic chamber.
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Chimney and magmatic chamber.
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All of the above.
Pregunta 15
Pregunta
When the glowing materials go out to the surface of the volcano and lose the gases calls are called magma:
Pregunta 16
Pregunta
Some of deformations that produce are produced in the terrestrial materials give place to recognizable geological structures as:
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Folds, tectonics plates and lava.
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Folds, fail and diaclasas.
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Volcanic cones, folds and diaclasas.
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None of the above.
Pregunta 17
Pregunta
The fuels fossils are:
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Oil and coal.
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Oil and natural gas.
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Coal, oil and natural gas.
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Oil, coal, natural gas and bituminous sands.
Pregunta 18
Pregunta
The animal waste and vegetables in decomposition is called:
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Rubbish.
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Oil.
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Humus.
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Putrefactive particles.
Pregunta 19
Pregunta
The particles of the floor are classified according to his size in gravel, sand and clay:
Pregunta 20
Pregunta
The condensation is:
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A phase of the cycle of the water.
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The step of steam of water to liquid.
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The previous process to the precipitation.
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All the previous.
Pregunta 21
Pregunta
The break, alteration and disgregation of a rock by the action of the atmosphere, the hydrosphere or the living beings is called:
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Erosion.
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Molding of rocks.
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Meteorization.
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None of the above.
Pregunta 22
Pregunta
The erosion in a river:
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If the rocks are hard, the widen of the banks on the deepening predominates.
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f the rocks are soft the deepening on the widen of the banks predominates.
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Can be chemical or mechanical.
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All the previous.
Pregunta 23
Pregunta
The sedimentation gives place to:
Pregunta 24
Pregunta
A runoff is the part of the water that infiltrates and forms groundwaters:
Pregunta 25
Pregunta
The bioelements are necessary chemical elements so that the life can exist and are:
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Oxygen and carbon.
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Oxygen, Carbon and hydrogen.
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Oxygen, carbon, hydrogen, calcium and phosphorus.
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Oxygen, carbon, hydrogen, nitrogen and antimony.
Pregunta 26
Pregunta
The minerals salts:
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Regulate the processes that occur in the organism and dissolve all the substances.
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Are the main source of energy of energy of our body.
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Contribute to regulate the vital processes and maintain a balance in our organism.
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Devote to build and organise the molecules of our body.
Pregunta 27
Pregunta
The acronyms of DNA mean:
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Sour dinucleic.
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Sour ribonucleic.
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Sour desoxorribonucleic.
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Sour desoxirribonucleic.
Pregunta 28
Respuesta
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Are substances of reservation and energy.
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Are the main source of energy for our body.
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Activate and control the body of a living being.
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Contain the genetic information of the living beings.
Pregunta 29
Pregunta
The cell is the smallest alive structure that forms:
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All the living beings.
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All the beings except bacteria.
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All the living beings except virus.
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All the living beings except bacteria and virus.
Pregunta 30
Pregunta
The cilios and flagella are:
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Multicellular organisms.
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Specialisation of some cells to move.
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Specialisation of some cells to reproduce like the spermatozoids.
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Specialisation of some cells to form bacteria.
Pregunta 31
Pregunta
The order to form an organism is:
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System, organ, device, tissue and organism
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Tissue, system, organ, device and organism.
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Tissue, organ, system, device and organism.
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Tissue, system, device, organ and organism.
Pregunta 32
Pregunta
The DNA is surrounded by a nuclear membrane in:
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The cell procariota.
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The eukaryotic cell.
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Both.
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Neither of them.
Pregunta 33
Pregunta
The vegetal cell has:
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Chloroplasts.
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Centrioles.
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Only plasma membrane.
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None of the above.
Pregunta 34
Pregunta
The small bubbles in which they manufacture the proteins are called:
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Lyosomes.
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Centrosomes.
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Ribosomes.
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Mitochondria.
Pregunta 35
Pregunta
The lysosomes contain substances to destroy pollutant substances and waste:
Pregunta 36
Pregunta
The vacuoles are:
Respuesta
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Hollow cylinders that deliver the genetic material.
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Circular forms that serve to do the photosynthesis.
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The place where substances are stored or saved to throw them away.
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Conjoint of crushed membranes that communicate substances and transform them in others.
Pregunta 37
Pregunta
The choloroplasts:
Pregunta 38
Pregunta
The animals cells:
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Have only plasma membrane.
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Are the only cells with ribosomes.
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Have plasma membrane and wall.
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Are the only cells with vacuoles.
Pregunta 39
Pregunta
The functions of the cell are:
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Nutrition and reproduction.
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Nutrition, reproduction and death.
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Creation, nutrition, reproduction and death.
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Nutrition, relation and reproduction.
Pregunta 40
Pregunta
The process of division of a cell into two with identical structure is called:
Respuesta
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Meiosis.
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Anaphase.
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Mitosis.
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Amyloidosis.
Pregunta 41
Pregunta
When a cell incorporates solid food by special zones of the membrane these is called:
Respuesta
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Cytosomes.
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Centrosomes.
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Cytostomes.
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Centrioles.
Pregunta 42
Pregunta
In a animal cell, the biggest organelle is:
Respuesta
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The nuclear pores.
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The cytoplasm.
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The nucleolus.
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the core.
Pregunta 43
Pregunta
The chromosomes are composed of:
Respuesta
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DNA and glucides.
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DNA and lipids.
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DNA and proteins.
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DNA and mineral salts.
Pregunta 44
Pregunta
The function of relation:
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Consists in the relation of the cells and this procreation.
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Consists in attracting the changes that occur in the environment and answer to these.
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Consists in relating with cells of another nature.
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Consists in the exchange of matter and energy.
Pregunta 45
Pregunta
A cell has to go through different phases to reproduce and they are:
Respuesta
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Metaphase, phase, telophase and cytokinesis.
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Metaphase, anaphase, celiphase and phase.
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Prophase, metaphase, anaphase, telophase and cytokinesis.
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Prephase, pirophase, anaphase, telophase and cytokinesis.
Pregunta 46
Pregunta
The aerobic bacteria are able to live without oxygen:
Pregunta 47
Pregunta
The first organism that appeared when the layer of ozone was created:
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Eukaryotic organisms.
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Prokaryotes organism.
Pregunta 48
Pregunta
The science that studies and interprets the past life of through the fossils is called:
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Palaeography.
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Fossilisation.
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Palaeontology.
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Evolution.
Pregunta 49
Pregunta
The living beings are the responsible to have oxygen in the atmosphere:
Pregunta 50
Pregunta
A fossil is the rest of ancient living beings. These rest can petrify into:
Respuesta
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Footprints.
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Skeleton.
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Traces.
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All the previous.
Pregunta 51
Pregunta
The most ancient rests of the first hominids belong to the:
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Homo hábilis.
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Australopithecus.
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Homo erectus.
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Homo ancestor.
Pregunta 52
Pregunta
The first hominids that walked on two legs are:
Respuesta
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Homo hábilis.
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Australopithecus
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Homo erectus.
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Homo ancestor.
Pregunta 53
Pregunta
The hominid that evolved in Europe is:
Respuesta
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Homo habilis.
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Man of Neanderthal.
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Homo erectus.
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Homo ancestor.
Pregunta 54
Pregunta
The hominid that evolved in Africa is:
Respuesta
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Homo habilis.
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Man of Neanderthal.
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Homo sapiens.
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Homo ancestor.
Pregunta 55
Pregunta
The human beings that changed of place constantly to harvest fruit, hunt and fish are called:
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Cromainon.
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Nomad.
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Sedentary.
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Variable.
Pregunta 56
Pregunta
We can say that history begins with:
Respuesta
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The use of the metals.
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The apparition of the fire.
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The apparition of the writing.
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The beginning of the burials.
Pregunta 57
Respuesta
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A type of hunting.
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A type of metal.
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A type of weapon.
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A type of stone.
Pregunta 58
Pregunta
Among human beings we can find some characteristics that provide diversity between us. The type of diversity is only variable:
Pregunta 59
Pregunta
The variable diversity comes given of birth:
Pregunta 60
Pregunta
The personal behaviour is a variable diversity:
Pregunta 61
Pregunta
The colour of skin is a permanent diversity:
Pregunta 62
Pregunta
The father of the theory of inheritance is:
Respuesta
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Handel.
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Mendel.
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Galileo.
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Darwin.
Pregunta 63
Pregunta
The genotype is:
Respuesta
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Genetic manifestation.
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Genetic information.
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The genetic reality.
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Chromosomes.
Pregunta 64
Pregunta
In the cells of the human species there are:
Respuesta
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23 chromosomes.
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46 chromosomes.
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21 chromosomes.
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42 chromosomes.
Pregunta 65
Pregunta
The pair of sex chromosomes that determine a male are:
Pregunta 66
Pregunta
The father of the of evolution of species is:
Respuesta
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Handel.
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Mendel.
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Galileo.
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Darwin.
Pregunta 67
Pregunta
An analogous organ is:
Respuesta
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Similar organs with different functions.
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Organs with the same function but different origin.
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Organs with the same origin and the same function.
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None of the above.
Pregunta 68
Pregunta
The wings of birds and insects are an example of:
Respuesta
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Analogous organs.
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Homologous organs.
Pregunta 69
Pregunta
The front legs of horses and bats are:
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Analogous organs.
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Homologous organs.