p2long naman po.. kasi malapit na passing namin...

15. You are tasked to prepare a prepared slide of a letter "e". Arrange the steps of how you are to do it from beginning
to end.
A. Get a pair of glass slide and cover slip from your teacher then wipe it clean and dry with a soft cloth.
B. Label your prepared slide with the name of the specimen.
C. Get a newspaper page and cut the smallest letter "e" then place it at the center of the glass slide.
D. Add a drop of water and cover it with a cover slip.
A.ABCD B. DCBA C. ACDB D. ACBD
16. After preparing your slide of the letter "e", what order of steps are you to do to focus it under the low power
objective?
A.Look through the eyepiece and slowly turn the coarse adjustment knob upwards to raise the
objective until the letter "e" appears.
B. Carefully lower the body tube until the end of the LPO almost touches the slide.
C. Put the slide on the stage, hold it firmly with the stage clips then adjust the mirror to bring light to
the object
A.ABC B. CBA D. BAC D. CAB
17. What is the smallest level by which a living thing can exist?
A. cell
B. organ
C. organ system D. tissue
18. What is the correct sequence- from biggest to smallest of the levels of organization in an organism?
A. cell-organ-organ system- tissue- complete organism
B. organ-organ system- tissue-cell- complete organism
C.complete organism- tissue- cell-organ-organ system
D.complete organism- organ system-organ- tissue - cell
19. Each part of an organ system plays a specific function. Which of the following is NOT correctly matched?
A. eyes: for seeing
B. heart: pumping blood
C. stomach: digesting food
D. kidneys: for breathing
20. Pedro loves to eat junk foods and enjoys using patis and soy sauce in his meals. One day, he was complaining of
difficulty in urinating together with pain in the side and back below his ribs. Which organ had a problem in this situation
A. heart B. kidney C. liver D. stomach​