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