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What is Biology?
A science studying earth and interactions between plates, the function of their systems and their mechanisms at a scale level.
A science studying life and interactions between living organisms, the function of their systems and their mechanisms at a molecular level.
What Biologists do? Which are the benefits of studying Biology?
Study the diversity of life, preserves the environment, research diseases, develops technology and improves agriculture
Develop highway's structures, preserves the environment, research diseases, develops technology and improves agriculture
Preserves the environment, study the diversity of life, asks about meaning of love, develops technology and improves agriculture
What are the 8 characteristics of a living organism?
Formed by one or more cells, grows and develops, requires energy, epiglottis, reproduces, organizes, responds to stimuli and adapts and evolves
Formed by one or more cells, grows and develops, requieres energy, homeostasis, reproduces, organizes, responds to stimuli and adapts and evolves
Formed by one or more cells, grows and develops, requires energy, reproduces, organizes, responds to stimuli and adapts and evolves
Which is the correct ascending order for the levels of organization of matter?
Subatomic particle, Atom, Molecule, Organelle, Cell, Tissue, Organ system, multicellular organism, population, specie, community, ecosystem and biosphere
Subatomic particle, Atom, Molecule, Cell, Tissue, Organelle, Organ, Organ system, multicellular organism, specie, population, community, ecosystem and biosphere
Does the "multicellular organism" level is considered by ecologists in the organization of matter?
An atom is considered to have life
Which option describes better a Prokaryotic cell?
Have a nucleus, is complex, its genetic material is contained in a membrane and is present in bacterias and archeas.
Doesn't have a nucleus, is simple, its genetic material is not contained in a membrane and is present in bacterias and archeas.
Have a nucleus, is complex, its genetic material is contained in a membrane and is present in protists, fungi, animals and plants.
Doesn't have a nucleus, is simple, its genetic material is not contained in a membrane and is present in protists, fungi, animals and plants.
Which of the following answers doesn't belong to the steps of the scientific method?
Observation, Investigation, Experimentation, Hijacking, Obtention and analysis of data, Conclusions.
Observation, Investigation, Hypothesis, Experimentation, Obtention and analysis of data, Conclusions.
In an experiment, the growth in cm of a plant is considered the independent variable?
Which lipid may benefit health in a moderate amount?
Insatured lipid
Satured lipid
Which is the good cholesterol produced by our bodies?
HDL, High Density Lipoprotein
HDL, Low Density Lipoprotein
LDL, Low Density Lipoprotein
LDL, High Density Lipoprotein
Rubber bands are considered...
Alive
Inert
Dead
Anemia is defined as...
A lack or low levels of white blood cells.
Abundance of platets.
Abundance of red blood cells
A lack or low levels of red blood cells.
Which are the two types of digestion?
External
Hydrological
Chemical
Mechanical
What is the small plate of cartilage that covers the trachea to avoid food to enter and cause a person to choke?
Epiglottis
Villi
Peristalsis
Is called as the rhythmically contract of the esophagus wall in order to move the food down to the stomach
Pepsin is an enzyme involved in the MECHANICAL digestion of proteins?
Helps to break down fats
Bile
Gallbladder
Select the definition of internal respiration
Exchange of gasses between blood and body cells.
Exchange of gasses between the atmosphere and blood.
Mechanical movement of air into and out of the lungs.
What are bronchioles?
Left and Right ramifications of the trachea that lead to the lungs, where gas takes place.
Individual air sacs with thin walls surrounded by very thin capillaries
Smaller branches of the bronchi that lead to the alveoli.
Does mucous membranes are a defence mechanisms against foreign particles in the respiratory system?
The heart beats without needing the brain to send the precise order to do so...
Which are the components of the cardiovascular system (4) ?
Blood
Blood vessels
Digestive System
Heart
Lymphatic System
Arteries
I. Transport oxygenated blood II. Back to the heart III. Are thick-walled vessels IV. Can withstand high pressures exerted by the blood
Which is false?
II
IV
III and IV
I and II
Heart is divided into...
Four chambers and valves
Six chambers and valves
Two chambers and valves
Diastole is when the atria f ill with blood and then contract, filling the ventricles with blood...
The heart pulses about 70 times each minute.
Blood pressures is...
I. A measure of the pressure that blood exerts against the wall of blood vessels II. It is measured in millimeters of oxygen III. A measure of the resistance that blood exerts agains the wall of blood vessels IV. It is measured in millimeters of mercury
Which set is correct?
III and II
I and IV
Clear, yellowish fluid that contains proteins, hormones and nutrients. It is composed mainly by water.
Platelets
Red Blood Cells
White Blood Cells
Plasma
Is the body's disease fighter
Platelet
Are the Male reproductive cells...
Epidymis
Testosterone
Sperms
Egg cells
Which of the followings options is false?
Vas deferens is...
Sperms travel through this duct
Tube that carries both semen and urine outside the body
A duct leading away from the testis
Secretes fructose, that provides energy, nutrients, proteins and enzymes for sperms...
Seminal vesicle
Prostate
Bulborethral gland
Is not a masculine hormone...
LH
GnRH
FSH
Progesterone
Provide an environment that is right for fertilization of an egg and the development of an embryo...
Male Reproductive System
Skeletal System
Female Reproductive System
Connect the ovaries with the uterus...
Oviduct
Vagina
The Menstrual Cycle is divided in 3 phases...