WorksheetsQUARTER 1 SUMMATIVE TEST IN SCIENCE 9
Total questions: 25
Worksheet time: 13mins
Which of the following makes up the circulatory system?
blood, blood vessels, heart
blood, blood vessels, lungs
blood vessels, heart, lungs, nasal cavity
blood, blood vessels, alveoli, heart, lungs
Mr. Marco was rushed to the South Cotabato Provincial Hospital (SCPH) due to a serious heart attack. What will likely happen to him his heart if not treated right away?
continues to pump
stops to pump
pumps slower
pumps faster
Which body system allows oxygen to enter the bloodstream and get rid of the carbon dioxide and release it to the environment?
respiratory
circulatory
digestive
nervous
Mr. Anton Aro is standing outside the house and doing breathing exercises. Which of the following is the correct pathway of oxygen as he breathes in?
I. Alveoli
II. Bronchi
III. Bronchioles
IV. Nasal passage
V. Nose
VI. Trachea
VI, V, IV, III, II, I
V, IV, VI, II, III, I
III, I, II, V, VI, IV
IV, VI, V, I, II, III
Which chamber of the human heart pumps blood to the lungs?
right atrium
left atrium
right ventricle
left ventricle
Atheena was active in both academic and sports activities. She was a volleyball player in her school and after class, she practices vigorously for at least an hour. What happens to the heart rate of a person after a strenuous activity?
increases
decreases
fluctuates
sustains
Which of the following best describes systemic circulation? Blood circulation from the ________.
heart going to the lungs and back to the heart
heart going to the lungs and other parts of the body
heart to the different parts of the body back to the heart
lungs to the different parts of the body back to the heart
Below is the path of oxygenated blood. Which of the following will make the path correct?
Lungs → ________________ → Left Atrium → Mitral Valve → ________________ → Aortic Valve → _______________ → Other Parts of the Body
pulmonary vein, left ventricle, aorta
pulmonary artery, left ventricle, aorta
vena cava, left ventricle, pulmonary veins
pulmonary main artery, right atrium, left ventricle
Mark is a contestant in a marathon yet he did not sleep well last night. He felt dizzy and fainted in the middle of the race. Why do you think did this happen?
Blood cells didn’t get the necessary amount of oxygen to the body parts.
Oxygen blood levels of the body was normal.
He had low blood pressure.
None of the above.
What will happen if respiratory and circulatory systems do not work together?
The body is not provided with essentials materials for proper function.
The body will increase its immunity from all diseases.
The body will receive more essentials materials.
The body will continue to work properly.
Which of the following is not a natural cause of extinction?
Competition due to overpopulation
Introduction of non-native species
Catastrophic events
Disease
What do you call the environmental conditions that help balance the ecosystem?
Limiting reagent
Population density
Limiting factor
Index of diversity
What do you call an enrichment of the body of water by nutrient salts, often due to runoff from the land, which results to a massive growth of aquatic plants and death of animal life from lack of dissolved oxygen?
Acid rain
Deforestation
Eutrophication
Purification
What do you call the maximum number of living organisms of one species that an area’s resources can sustain indefinitely without environmental degradation?
Population density
. Carrying capacity
Biodiversity
Species
What process describes the upward movement of pollutants or toxic substances in the food chain and become concentrated at each level?
Eutrophication
Acid Rain
Biological Magnification
Global Effect
What do you call an increase of the earth’s temperature due to the rapid build-up of carbon dioxide and other gases in the atmosphere?
Greenhouse effect
Index of diversity
Pollution index of diversity
Pollution
Which of the following shows the mathematical way of expressing the amount of biodiversity and species distribution?
Population density
Index of diversity
Density
Carrying capacity
What is the population density per square kilometer (sq.km) of 30 cows living in a 1.2 sq.km?
35 sq. km.
25 sq. km.
20 sq. km
23 sq. km.
What do you call the trapping of heat by gases in the earth’s atmosphere?
Global warming
Greenhouse effect
Air pollution
Acid rain
Which of the following best describes a group of organisms that have certain ability to interbreed?
Population
Species
Population size
Biodiversity
Mang Wilfred is experiencing a problem in growing his organic crops. Most of the leaves of the crops are turning yellow. ` Which of the following will likely result from the yellowing of the leaves of crops?
It will increase the production of food.
. It will decrease the production of food
The production of food will remain the same.
It will not affect food production.
How is ATP synthesized?
Addition of a phosphate and energy to ADP.
Removal of phosphate and energy from ADP.
Addition of a phosphate to and removal of energy from ADP.
Removal of a phosphate from and addition of energy to ADP.
The energy released from the breakdown of food molecules in respiration is trapped in ___________.
ADP
ATP
carbon dioxide
water
Jenny wants to know if the leaves are capable of making food during night time. Which of the following experimental design should Jenny do to get an accurate answer to her question?
Cover the plant with paper bag overnight and test for the presence of starch.
Put one potted plant in a very dark place over night and test for the presence of starch
Cover one leaf of a potted plant with carbon paper for two hours and test for the presence of starch.
Put one potted plant under the sun and the other in a dark room for three hours and test for the presence of starch.
Which of the following materials are cycled out by the chloroplast and mitochondrion?
Sugar, water, oxygen, and ATP
Sugar, water, sunlight and oxygen
Carbon dioxide, water, oxygen, and ATP
Carbon dioxide. Water, sugar and oxygen
