SCI-GALING GRADE 9

SCI-GALING GRADE 9

by Juliet Gubatanga

Multiple Choice

1.    What is the function of the Respiratory System?

            

• a.    controls the body’s hormone             

• b.    digests and absorbs nutrients     

•            c.  facilitates the exchange of gases

•         d.  regulates the body’s temperature

Multiple Choice

2.    What happens to the rib cage as we inhale?

• a.  becomes bigger                                     

•      

  b.  becomes smaller                                    

•                                  c.  moves up and outward     

•                                   d.  moves down and inward

Multiple Choice

3.    How does the movement of the diaphragm cause air to go in and out of the lungs?

• a. Movement of the diaphragm affects the air pressure inside the chest.

• b. By either decreasing or increasing the space of the chest cavity allowing air to go in

  and out of the lungs.

• c. Both choices above are correct

• d. Both  choices above are incorrect

Multiple Choice

4. Which of the following type of circulation moves the blood through the tissues of the heart?

• a. coronary Circulation                              

•                             

  b. pulmonary Circulation                          

• c. systemic Circulation

•   d. systematic Circulation

Multiple Choice

5.    What part of the respiratory system is affected or damaged when a person has emphysema?

• a.    alveoli                     

•     b.  bronchi   

• c.  bronchioles    

•           d.  trachea

Multiple Choice

6.    Which of the following disorder is often experienced by people with atherosclerosis?

• a.  stroke                                                                                      

                                              

• b.  heart attack 

• c.  high blood pressure

• d.  all of the above

Multiple Choice

7.    Which of the following is the best way to prevent diseases caused by cigarette smoking?

• a.    exercise regularly                               

                         

• b.    have a healthy lifestyle

• c.  have a balanced diet

• d.  all of the above

Multiple Choice

8. What is the genotypic ratio of the cross?

• a.  1:1                          

• b.  2:2                      

• c.  2:1:1                     

• d.  1:1:1:1

Multiple Choice

9.  What is the phenotypic ratio of the cross?

• a   1:1                          

• b.  2:2                      

• c.  2:1:1                      

• d.  1:1:1:1

Multiple Choice

10. What does “extinct” mean?

                       

• a. They only exist in captivity.                   

•                         b. There are only a few individuals alive.           

• c. Their population numbers are dwindling.

• d. They no longer exist anywhere on the planet.

Multiple Choice

11.  Which one was  one or more reasons that can cause extinctions?

• a.  pollution                                                  

• b.  introducing a new predator                  

• c.  a change in the environment

• d.  all of the above

Multiple Choice

12.  The light-dependent reaction of photosynthesis must come first before the light-independent reaction because its products are important to the fixation of carbon dioxide.  Which of the following is/are the product/s of the light-dependent reaction?

                    

• a.  ADP only                                                 

•    

    b.  ATP

  only                                                 

• c.  NADPH only                           

• d. NADPH and ATP

Multiple Choice

13.  Which sublevel (s,p,d,f) has the least amount of energy?

                   

•   a.  f                             

• b.  d                          

•    c.  s                    

•          d. p

Multiple Choice

14. What are the parts of the Respiratory System?

• ^{A. Lungs, Alveoli, Ribs, Liver}

• ^{B. Throat, Bronchioles, Bronchi, Alveoli, Stomach, Ribs}

• ^{C. Nostril, Larynx, Pharynx, Trachea, Bronchi, Bronchioles, Alveoli, Lungs}

• ^{D. Nostril, Larynx, Pharynx, Lungs, Trachea, Bronchi, Bronchioles, Alveoli, Heart}

Multiple Choice

15.  Which of the following parts pumps the blood throughout the body?

• A. Atrium           

•      B. Blood    

•      C. Blood Vessels    

• D. Heart

Multiple Choice

16.  Nitrogen (N) belongs to family 5A and it is diatomic. How many nonpolar covalent bonds will there be in N₂ molecule?

a. 1                              b. 2                              c. 3                              d. 4 

• a. 1                             

• b. 2                             

• c. 3                             

• d. 4 

Multiple Choice

17.  What kind of force is present in ionic bond?

•                         a.neutral force                                           

•                         b.retentive force                                       

• c.  repulsive force

•   d.  electrostatic force

Multiple Choice

18.  Which of the following sets of samples has a metallic bond, covalent bond and ionic bonding in this order?

                       

• a.  alloy, vetsin, and water                      

•                         b.  coins, salt, and carbon dioxide                     

•     c.  bronze, paraffin wax, and salt

•    d.  gold ring, baking soda, and starch

Multiple Choice

19.  What is the maximum number of bonds a carbon atom can form?

                       

• a. 2                            

• b.  3                

•             c.  4                            

• d.  5

Multiple Choice

20.  Which are TRUE about the use of isopropyl alcohol?

I.  cleaner                    III. fertilizer      

II. fuel                          IV. disinfectant

• a. I and II                   

• b. II and III                 

• c. III and IV               

• d. I and IV

Multiple Choice

21.  Jacky scratched herself when her arm bumped into the concrete post.  What do you think should she apply to make her bruises free from bacteria?

           

•              a.  acetone               

• b.  formalin               

• c.  isopropyl alcohol  

• d.  water

Multiple Choice

22.  What happens to the diaphragm as you breathe out (exhale)?

• A. relaxes                                         

• B. contracts                                      

• C. moves Left

• D. moves right

Multiple Choice

23.  How can the knowledge about mole be useful for environmentalists?

                       

• a.  Mole concept can be used in environment monitoring.

                         

• b.  It gives information on the most dangerous pollutant in the atmosphere.

                         

• c.  It gives a feedback on the kinds of pollutants present in the atmosphere.

• d.  Mole concept can be used in quantifying the amount of pollutant-particles released in the atmosphere.

Multiple Choice

24.  What is the common term for myocardial infarction?

• A. Brain Attack                                 

• B. Heart Disease                           

• C. Heart attack

•    D. Coronary artery disease

Multiple Choice

25.  Which of the following plays the bigger role in increasing the risk of stroke?

• A. Smoking                                                 

• B. Skipping Meal                                         

• C. Less or no exercise

• D. Irregular Sleep Schedule

Multiple Choice

26. What is the causative agent of Pulmonary Tuberculosis?

• A. Bacillus anthracis                                  

• B. Bacteroid fragilis                                                

• C. Escherichia coli

• D. Mycobacterium tuberculosis

Multiple Choice

27. What do you call a person who inhaled involuntarily from tobacco being smoked

by others?

• A. chain smoker                                          

• B. victim smoker                                          

• C. secondhand smoker

• D. third hand smoker

Multiple Choice

28. Which organization directs international health issues to the United Nations’ system and

leads other partners in global health responses?

• A. World Wildlife Fund                  

•              

  B. Department of Health                            

• C. World Health Organization

• D. United Nations Children’s Fund

Multiple Choice

29. Which is responsible for the coding the traits?

• A. codon       

• B. DNA                      

• C. genetic code                   

• D. nucleotide

Multiple Choice

30. What do you call the organisms in which the last species have already died?

• A. abundant             

• B. endangered       

• C. extinct                 

• D. threatened