IDENTIFY THE CORRECT ANSWER. CHOOSE THE LETTER ONLY.
11. Which of the following is conecliy pairs a microorganism with the dease li causes?
3. Protozoa / tu
b. virus / athlete's fool
c. baclerla / strep throat d. fungl / cold
12. How do bacteria help our bodies function?
a. They make our muscles and lungs stronger.
b. They help lo digest food in the Inlestines.
c. They clculate in our blood and heip camy oxygen,
d. They make our sidn flexible and clean
13. How does adding yeast change bread dough?
a. Bubbles of gas form in the dough.
b. Yeast changes the bread's color.
C More dough is produced as yeasi multiply
d. Yeast makes it less lumpy.
14. What important function de microorganisms have in an ecosystem?
a. They produce food from sunlight
b. They produce the number of large animals.
c. They decampose dead organisms.
d. They help to clean the air.
15. Which of the following procices is based on the understanding of microorganisms?
a. Walking downhil inslead of running.
b. Looking both ways before crossing a street
4. Wearing lightweight clothes in the summer.
d. Washing your hands before eating.
16. Which of the following performs fertilization during reproduction?
a. Chicken
b. hydro
c. mushroom
d. yeast
17. Which of the following reproduces by regeneration?
Crab
b. sponge
c. squid
d. starfish
18. In sexual reproduction, what is the source of the genetic material in a tygote?
.. Egg cell orily b. a pollen and a sperm cell c. sper cell only
d. an egg cell
and a sperm cell
19. It is the transfer of pollen grains from the anther to the sigma of the flower.
d. Regeneration b. pollination
c. tertilization
d.gametes
20. It relers to the sex cells or reproducive cells.
d. Regenerallon b. pollination
c. feridzallon
d.gametes​