science test for grade 6

1. Gaudete Study Center Inc.
1st
Monthly Test
Science 6
T. Justine
Name: ___________________________________ Date:___________
I. A. Multiple choice: Read each item carefully
and write only letter of the best answer on the
blank before each number.
_____ 1. what is the circulatory system?
a. the body system of nerves
b. the body’s breathing processing system
d. the body’s food processing system
d. the body’s blood transporting system
_____ 2. it is responsible for the distribution of
blood throughout the body
a. circulatory system
b. endocrine system
c. skeletal system
d. respiratory system
_____ 3. the circulatory system has 3 distinct
parts from the choices below identify which is
NOT.
a. pulmonary circulation
b. coronary circulation
c. systemic circulation
d. blood vessels
_____ 4. it is the pumping organ of the
circulatory system and is located at the center
of your chest, slightly tilted to the left.
a. heart
b. lungs
c. brain
d. organ
_____ 5. which organ is not included to the 4
chambers of the heart.
a. atria
b. left atrium
c. ventricles
d. aorta
_____ 6. at rest, the average heartbeat per
minute of a human being is __.
a. 60 – 100x b. 200 – 400x
c. 10 – 60x d. 500 – 550x
_____ 7. the rhythmic stretching of the artery.
It is caused by the pressure of the blood within
as the ventricles contract.
a. pulse b. rhyme
c. diastole d. systole
_____ 8. the second sound produced by the
vibration of the valves within the blood vessels
connected to the heart
a. dub b. lub
c. rhyme d. pulse
______9. overlapping layers of the tissue that
allow blood to flow in only one direction
a. valves b. atria
c. atrium d. ventricles
______10. this is the first sound produced by
the vibration of the ventricles when they
contract.
a. lub _ b. dub
c. rhyme d. pulse
______11. responsible for receiving used blood
coming from all parts of the body.
a. atria b. valves
c. ventricles d. node
______12. liquid medium that is constantly
flowing throughout the body. It is referred as
the ‘river of life’
a. red blood cells
b. white blood cells
c. blood
d. plasma
______13. what kind of blood comprises 55%
of the blood volume in our body?
a. plasma c. platelets
b. red blood cells d. white blood cells
______14. other scientific term called for red
blood cells.
a. erythrocytes b. haemoglobin
c. white blood cells d. platelets
______15. this is the pigment that makes red
blood cells color red.
a. plasma c. hemoglobin
b. clot_ d. leucocytes
______16. other scientific term called for white
blood cells.
a. leucocytes b. thrombocytes
c. haemoglobin d. clot
______17. average life span of an erythrocyte
is only__.
a. 120 days b. 20 days
c. 1 minute d. 100 days
______18. smallest of the formed components
of the blood.
a. platelets b. white blood
c. thrombocytes d. red blood cells
______19. which is NOT a component of blood.
a. red blood cell b. white blood cell
c. platelets d. oxygen

2. _____ 20. it is clear yellowish fluid which
makes up the rest of the blood’s volume and is
made in the liver.
a. plasma b. platelets
c. red blood cells d. none
_____ 21. the following choices below re
varieties of white blood cells identify which is
not.
a. neutrophils b. eosinophils
c. basophils d. ions
_____ 22. blood vessels that carry oxygen-rich
blood away from the heart.
a. arteries b. capillaries
c. heart d. veins
_____ 23. are thin – walled and loose vessels
they carry oxygen – poor blood back to the
heart and the blood that flows to it contains
carbon dioxide.
a. arteries c. capillaries
b. veins d. aorta
_____ 24. the smallest vein is called__.
a. venules b. vena cava
b. veins d. aorta
_____ 25. smallest blood vessels. They are so
thin that blood cells pass through them in a
single pile.
a. venules c. capillaries
b. veins d. aorta
_____ 26. the largest artery is called___.
a. aorta c. arteries
b. arterioles d. veins
_____ 27. movement of deoxygenated blood
from the heart and into the lungs.
a. pulmonary circulation
b. systemic circulation
c. coronary circulation
d. life cycle
_____ 28. a type of vena cava that collects
blood from the head and neck region.
a. superior vena cava
b. inferior vena cava
c. lungs
d. heart
_____ 29. the path of blood from the arteries
to the digestive parts then returning to the
heart is called.
a. portal circulation
b. renal circulation
c. coronary circulation
d. systemic circulation
_____ 30. this type of special circuit where the
path of blood flows through the capillaries, to
the kidney, where water and wastes are
removed is called__.
a. portal circulation
b. renal circulation
c. coronary circulation
d. systemic circulation
I. B. Branches of Science
______31. deals with the study of living things.
It encompasses all the various aspects like
structure and function of the various organs,
morphology, physiology, taxonomy, etc.
a. biology c. astronomy
b. seismology d. geology
______32. deals with the study of matter and
energy including light, sound, electricity,
motion, etc.
a. physics c. chemistry
b. geology d. astronomy
______33. celestial bodies, stars, comets, solar
system; fall under what type of earth science?
a. astronomy c. geology
b. paleontology d. physics
______34. study of earthquakes
a. seismology c. physics
b. astronomy d. chemistry
______35. study of plants.
a. physics c. biology
b. astronomy d. botany
______36. deals with the study of genetic
makeup of living organisms.
a. genetics c. paleontology
b. physics d. astronomy
______37. deals with the study of animals-
their form and structure.
a. geology c. astronomy
b. zoology d. physics
______38. which branch of science deos not
belong to the group.
a. chemistry c. zoology
b. biology d. botany
______39. subdivision of science deals with the
study of non living matter. Chemistry and
Physics fall under this category.
a. Earth sciences c. Life Sciences
b. Physical sciences d. Science
______40. study of atmosphere that focus on
weather processes and forecasting.
a. astronomy c. geology
b. seismology d. none of the above

3. Aorta
Inferior vena cava
Superior vena cava
Left atrium
Left ventricle
Right ventricle
Right atrium
II. Label the major parts of the heart by writing the correct word/s on the designated box. Answers can
be found inside the box at the right side.
III. Arrange the branches of science according to its classification by putting it in the proper column that
it corresponds.
Chemistry Physics Geology Botany Zoology Seismology
Meteorology Paleontology Biology Genetics
Physical Science Earth Science Life Science
III. Discuss briefly (5 points)
Why blood is being referred as the ‘river of life’?
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
____________________________________________________________________________________