SANTIAGO TRILLANA ACADEMY
High School Department
Mabini St., San Sebastian, Hagonoy, 3002, Bulacan
Tel. No. 044-931-1460
FIRST MONTHLY EXAMINATION
GRADE 9 SCIENCE
NAME: ____________________________________________
GRADE 9 - _________________
I.
SCORE: _____________________
Date: ______________________
MULTIPLE CHOICE
INSTRUCTION: Encircle the Letter of the correct answer.
1. It is the tiniest network of blood vessel which the exchange of O2 and CO2 takes place.
a. Capillaries
b. Alveoli
c. Trachea
d. Artery
2. This serves as the site for respiration, wherein the exchange of O2 and CO2 takes place?
a. Capillaries
b. Alveoli
c. Trachea
d. Artery
3. What is the relation of the endocrine system and the circulatory system?
a. The circulatory system supplies the blood needed by the endocrine system.
b. The endocrine system and the circulatory system works together to deliver the blood to the body.
c. The endocrine system provides the hormones that is delivered by the circulatory system to the target
cells.
d. The endocrine system provide the nutrients needed by the circulatory system to be delivered to the
body.
4. What is the role of the respiratory system to the rest of the systems of the body?
a. The respiratory system is responsible for the transport of oxygen to the rest of the body.
b. The respiratory system provides the oxygen, hormones and nutrients which is delivered by the
circulatory system to the targets cells.
c. The respiratory system provides the oxygen to the lungs so that the body may continue to live and the
rest of the systems can continue to function.
d. The respiratory system provides the oxygen from the external environment and is transported by the
circulatory system to the rest of the systems.
5. Which is not a function of the blood?
a. Regulation of the nutrients and functions of the body cells.
b. Transportation of Nutrients, Gasses and Hormones to specific organs and cells.
c. Stabilization of body temperature.
d. Protection against pathogens, toxins and blood loss injuries.
6. It is a pale yellowish liquid that is about 92% water.
a. WBC
b. Platelet
c. RBC
d. Plasma
7. It is the network which brings the blood and waste coming from the body towards the heart.
a. Artery
b. Vein
c. Capillary
d. Blood Vessel
8. The short loop from the heart to the lungs and back to the heart again before blood is transported to the body
is called _________.
a. Pulmonary veins b. Arterial transport c. Pulmonary circuit d.Systemic circuit
9. How can we make our lungs stronger?
a. Intake of vitamins
b. Reading of materials that can help improve our lungs
c. Playing with friends in the field
d. Study of Respiratory system
10. What will happen if a person’s alveoli is damaged?
a. It is okay because the human lungs contain millions of alveoli
b. The person will cough out blood and will experience fever
c. The person will develop uncontrolled growth of malignant cells
d. The person will not get enough O2 and cannot efficiently eliminate CO2
11. The trachea is also known as ____________.
a. Pharynx
b. Adam’s apple
c. Voice Box
d. Wind Pipe
12. Which of the following Respiratory system disorder is contagious?
a. Common Cold
b. Allergy
c. Influenza
d. Pneumonia
13. Which of the following is not a cause of cardiovascular defect?
a. Heredity
b. Unhealthy lifestyle c. Contagion from other patients’ d. Structural malfunction
14. It is a disorder wherein the blood cannot clot properly, therefore bleeding persist.
a. Hemophilia
b. Anemia
c. Leukemia
d. Stroke
15. Which of the following should not be done in preventing cardiovascular diseases?
a. Quit or Avoid Smoking
b. Intake of Medicine
c. Exercise
d. Heathy Lifestyle
II. Label the following parts of the heart. (10 points)
III. Enumeration:
1. Give 5 examples of circulatory system disorders
2. What are the 4 blood types?
3. Give the 3 parts of the blood.
4. 3 types of blood vessels.
5. Ways on how to take care circulatory system (10 ways)