Cinty Vaz
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Cinty Vaz
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Naturals

Naturals

Question 1 of 69

1

The movement of translation of the earth gives origin to:

Select one or more of the following:

  • A day

  • A month

  • Six months

  • A year

Explanation

Question 2 of 69

1

The consequences of inclination of the axis of the earth are:

Select one or more of the following:

  • Different climatic zones appear

  • Days and nights of uneven length

  • Investment of the stations in both hemispheres

  • All the precious

Explanation

Question 3 of 69

1

The movement of rotation is produced each:

Select one or more of the following:

  • 365 days

  • 365 days and 6 hours

  • 24 hours

  • 24 hours and 6 minutes

Explanation

Question 4 of 69

1

The equinoxes are:

Select one or more of the following:

  • The days with the maximum difference of day or night.

  • The days with the same hours of day and night.

Explanation

Question 5 of 69

1

In a eclipse of sun:

Select one or more of the following:

  • 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.

Explanation

Question 6 of 69

1

High tide makes reference to:

Select one of the following:

  • 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.

Explanation

Question 7 of 69

1

The tides are produced by:

Select one or more of the following:

  • 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.

Explanation

Question 8 of 69

1

The internal structure of the earth has the following layers:

Select one or more of the following:

  • Bark, sap and core.

  • Membrane, mantle and core.

  • Skin, mantle and core.

  • Bark, mantle and core.

Explanation

Question 9 of 69

1

The depth from the bark to the mantle is of roughly 5100 km.

Select one of the following:

  • True
  • False

Explanation

Question 10 of 69

1

The lithosphere is:

Select one of the following:

  • A part of the mantle.

  • A part of the bark.

  • A solid layer.

  • All the previous.

Explanation

Question 11 of 69

1

The tectonics of plates is:

Select one of the following:

  • A fragment of lithosphere that moves.

  • The seismic and volcanic activity.

  • A theory.

  • The upper portion colder and rigid of the earth.

Explanation

Question 12 of 69

1

The part of the geology that studies the training and origin of the mountains is called:

Select one of the following:

  • Litosfenia.

  • Orogeny.

  • Oroterea.

  • Litogénesis.

Explanation

Question 13 of 69

1

The point of origin of an earthquake is:

Select one of the following:

  • The epicentre.

  • The hypocentre.

  • The hypercentre

  • The plane of fails.

Explanation

Question 14 of 69

1

In a volcano the following parts can be distinguished:

Select one of the following:

  • Volcanic cone and magmatic chamber.

  • Crater and magmatic chamber.

  • Chimney and magmatic chamber.

  • All of the above.

Explanation

Question 15 of 69

1

When the glowing materials go out to the surface of the volcano and lose the gases calls are called magma:

Select one of the following:

  • True
  • False

Explanation

Question 16 of 69

1

Some of deformations that produce are produced in the terrestrial materials give place to recognizable geological structures as:

Select one of the following:

  • Folds, tectonics plates and lava.

  • Folds, fail and diaclasas.

  • Volcanic cones, folds and diaclasas.

  • None of the above.

Explanation

Question 17 of 69

1

The fuels fossils are:

Select one of the following:

  • Oil and coal.

  • Oil and natural gas.

  • Coal, oil and natural gas.

  • Oil, coal, natural gas and bituminous sands.

Explanation

Question 18 of 69

1

The animal waste and vegetables in decomposition is called:

Select one of the following:

  • Rubbish.

  • Oil.

  • Humus.

  • Putrefactive particles.

Explanation

Question 19 of 69

1

The particles of the floor are classified according to his size in gravel, sand and clay:

Select one of the following:

  • True
  • False

Explanation

Question 20 of 69

1

The condensation is:

Select one of the following:

  • A phase of the cycle of the water.

  • The step of steam of water to liquid.

  • The previous process to the precipitation.

  • All the previous.

Explanation

Question 21 of 69

1

The break, alteration and disgregation of a rock by the action of the atmosphere, the hydrosphere or the living beings is called:

Select one of the following:

  • Erosion.

  • Molding of rocks.

  • Meteorization.

  • None of the above.

Explanation

Question 22 of 69

1

The erosion in a river:

Select one of the following:

  • 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.

  • All the previous.

Explanation

Question 23 of 69

1

The sedimentation gives place to:

Select one of the following:

  • Meanders.

  • Half course of the rivers.

  • Valleys in V.

  • All the previous.

Explanation

Question 24 of 69

1

A runoff is the part of the water that infiltrates and forms groundwaters:

Select one of the following:

  • True
  • False

Explanation

Question 25 of 69

1

The bioelements are necessary chemical elements so that the life can exist and are:

Select one of the following:

  • Oxygen and carbon.

  • Oxygen, Carbon and hydrogen.

  • Oxygen, carbon, hydrogen, calcium and phosphorus.

  • Oxygen, carbon, hydrogen, nitrogen and antimony.

Explanation

Question 26 of 69

1

The minerals salts:

Select one of the following:

  • 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.

Explanation

Question 27 of 69

1

The acronyms of DNA mean:

Select one of the following:

  • Sour dinucleic.

  • Sour ribonucleic.

  • Sour desoxorribonucleic.

  • Sour desoxirribonucleic.

Explanation

Question 28 of 69

1

The glucides:

Select one of the following:

  • 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.

Explanation

Question 29 of 69

1

The cell is the smallest alive structure that forms:

Select one of the following:

  • All the living beings.

  • All the beings except bacteria.

  • All the living beings except virus.

  • All the living beings except bacteria and virus.

Explanation

Question 30 of 69

1

The cilios and flagella are:

Select one of the following:

  • Multicellular organisms.

  • Specialisation of some cells to move.

  • Specialisation of some cells to reproduce like the spermatozoids.

  • Specialisation of some cells to form bacteria.

Explanation

Question 31 of 69

1

The order to form an organism is:

Select one of the following:

  • System, organ, device, tissue and organism

  • Tissue, system, organ, device and organism.

  • Tissue, organ, system, device and organism.

  • Tissue, system, device, organ and organism.

Explanation

Question 32 of 69

1

The DNA is surrounded by a nuclear membrane in:

Select one of the following:

  • The cell procariota.

  • The eukaryotic cell.

  • Both.

  • Neither of them.

Explanation

Question 33 of 69

1

The vegetal cell has:

Select one of the following:

  • Chloroplasts.

  • Centrioles.

  • Only plasma membrane.

  • None of the above.

Explanation

Question 34 of 69

1

The small bubbles in which they manufacture the proteins are called:

Select one of the following:

  • Lyosomes.

  • Centrosomes.

  • Ribosomes.

  • Mitochondria.

Explanation

Question 35 of 69

1

The lysosomes contain substances to destroy pollutant substances and waste:

Select one of the following:

  • True
  • False

Explanation

Question 36 of 69

1

The vacuoles are:

Select one of the following:

  • 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.

Explanation

Question 37 of 69

1

The choloroplasts:

Select one of the following:

  • Have a pigment called mentafila.

  • Are found only in the animal cells.

  • Make the photosynthesis.

  • All the previous.

Explanation

Question 38 of 69

1

The animals cells:

Select one of the following:

  • Have only plasma membrane.

  • Are the only cells with ribosomes.

  • Have plasma membrane and wall.

  • Are the only cells with vacuoles.

Explanation

Question 39 of 69

1

The functions of the cell are:

Select one of the following:

  • Nutrition and reproduction.

  • Nutrition, reproduction and death.

  • Creation, nutrition, reproduction and death.

  • Nutrition, relation and reproduction.

Explanation

Question 40 of 69

1

The process of division of a cell into two with identical structure is called:

Select one of the following:

  • Meiosis.

  • Anaphase.

  • Mitosis.

  • Amyloidosis.

Explanation

Question 41 of 69

1

When a cell incorporates solid food by special zones of the membrane these is called:

Select one of the following:

  • Cytosomes.

  • Centrosomes.

  • Cytostomes.

  • Centrioles.

Explanation

Question 42 of 69

1

In a animal cell, the biggest organelle is:

Select one of the following:

  • The nuclear pores.

  • The cytoplasm.

  • The nucleolus.

  • the core.

Explanation

Question 43 of 69

1

The chromosomes are composed of:

Select one of the following:

  • DNA and glucides.

  • DNA and lipids.

  • DNA and proteins.

  • DNA and mineral salts.

Explanation

Question 44 of 69

1

The function of relation:

Select one of the following:

  • 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.

Explanation

Question 45 of 69

1

A cell has to go through different phases to reproduce and they are:

Select one of the following:

  • Metaphase, phase, telophase and cytokinesis.

  • Metaphase, anaphase, celiphase and phase.

  • Prophase, metaphase, anaphase, telophase and cytokinesis.

  • Prephase, pirophase, anaphase, telophase and cytokinesis.

Explanation

Question 46 of 69

1

The aerobic bacteria are able to live without oxygen:

Select one of the following:

  • True
  • False

Explanation

Question 47 of 69

1

The first organism that appeared when the layer of ozone was created:

Select one of the following:

  • Eukaryotic organisms.

  • Prokaryotes organism.

Explanation

Question 48 of 69

1

The science that studies and interprets the past life of through the fossils is called:

Select one of the following:

  • Palaeography.

  • Fossilisation.

  • Palaeontology.

  • Evolution.

Explanation

Question 49 of 69

1

The living beings are the responsible to have oxygen in the atmosphere:

Select one of the following:

  • True
  • False

Explanation

Question 50 of 69

1

A fossil is the rest of ancient living beings. These rest can petrify into:

Select one of the following:

  • Footprints.

  • Skeleton.

  • Traces.

  • All the previous.

Explanation

Question 51 of 69

1

The most ancient rests of the first hominids belong to the:

Select one of the following:

  • Homo hábilis.

  • Australopithecus.

  • Homo erectus.

  • Homo ancestor.

Explanation

Question 52 of 69

1

The first hominids that walked on two legs are:

Select one of the following:

  • Homo hábilis.

  • Australopithecus

  • Homo erectus.

  • Homo ancestor.

Explanation

Question 53 of 69

1

The hominid that evolved in Europe is:

Select one of the following:

  • Homo habilis.

  • Man of Neanderthal.

  • Homo erectus.

  • Homo ancestor.

Explanation

Question 54 of 69

1

The hominid that evolved in Africa is:

Select one of the following:

  • Homo habilis.

  • Man of Neanderthal.

  • Homo sapiens.

  • Homo ancestor.

Explanation

Question 55 of 69

1

The human beings that changed of place constantly to harvest fruit, hunt and fish are called:

Select one of the following:

  • Cromainon.

  • Nomad.

  • Sedentary.

  • Variable.

Explanation

Question 56 of 69

1

We can say that history begins with:

Select one of the following:

  • The use of the metals.

  • The apparition of the fire.

  • The apparition of the writing.

  • The beginning of the burials.

Explanation

Question 57 of 69

1

The flint is:

Select one of the following:

  • A type of hunting.

  • A type of metal.

  • A type of weapon.

  • A type of stone.

Explanation

Question 58 of 69

1

Among human beings we can find some characteristics that provide diversity between us. The type of diversity is only variable:

Select one of the following:

  • True
  • False

Explanation

Question 59 of 69

1

The variable diversity comes given of birth:

Select one of the following:

  • True
  • False

Explanation

Question 60 of 69

1

The personal behaviour is a variable diversity:

Select one of the following:

  • True
  • False

Explanation

Question 61 of 69

1

The colour of skin is a permanent diversity:

Select one of the following:

  • True
  • False

Explanation

Question 62 of 69

1

The father of the theory of inheritance is:

Select one of the following:

  • Handel.

  • Mendel.

  • Galileo.

  • Darwin.

Explanation

Question 63 of 69

1

The genotype is:

Select one of the following:

  • Genetic manifestation.

  • Genetic information.

  • The genetic reality.

  • Chromosomes.

Explanation

Question 64 of 69

1

In the cells of the human species there are:

Select one of the following:

  • 23 chromosomes.

  • 46 chromosomes.

  • 21 chromosomes.

  • 42 chromosomes.

Explanation

Question 65 of 69

1

The pair of sex chromosomes that determine a male are:

Select one of the following:

  • XX

  • XY

Explanation

Question 66 of 69

1

The father of the of evolution of species is:

Select one of the following:

  • Handel.

  • Mendel.

  • Galileo.

  • Darwin.

Explanation

Question 67 of 69

1

An analogous organ is:

Select one of the following:

  • Similar organs with different functions.

  • Organs with the same function but different origin.

  • Organs with the same origin and the same function.

  • None of the above.

Explanation

Question 68 of 69

1

The wings of birds and insects are an example of:

Select one of the following:

  • Analogous organs.

  • Homologous organs.

Explanation

Question 69 of 69

1

The front legs of horses and bats are:

Select one of the following:

  • Analogous organs.

  • Homologous organs.

Explanation

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