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PORTAGE MICROBIOLOGY FINAL EXAM Microbiology is the study of what - microorganisms/viruses and there biological processes What is the smallest b iological unit of life? - cell What is a macromolecule? - a molecule containing a very large number of atom£13.86
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PORTAGE MICROBIOLOGY FINAL EXAM Microbiology is the study of what - microorganisms/viruses and there biological processes What is the smallest b iological unit of life? - cell What is a macromolecule? - a molecule containing a very large number of atom
PORTAGE MICROBIOLOGY FINAL EXAM Microbiology is the study of what - microorganisms/viruses and there biological processes What is the smallest b iological unit of life? - cell What is a macromolecule? - a molecule containing a very large number of atoms, such as a protein, nucleic acid, or synth...
portage microbiology final exam microbiology is the study of what microorganismsviruses and there biological processes what is the smallest b iological unit of life cell what is a macromolecul
PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023
1. The radius of the path of an object in uniform circular motion is doubled. The centripetal force
needed if its speed remains the same is .
A. Four times as before
B. Half as great as before
C. Twice as much
D. Three times as much
2. Car A has a mass of 1000kg and a speed of 60km/hr. car B has amass of 2000kg and a speed of
30km/hr. compare the kinetic energy foe car A with that of car B.
A. Half as much
B. Four times as much
C. Equal
D. Twice as much
3. What would be the horizontal line in a position-time graph means?
A. Changing position, constant velocity
B. Constant position, constant velocity
C. Changing position, increase velocity
D. Constant position, zero velocity
4. What is the car‟s acceleration if ten seconds after the starting from rest; it is moving at 40m/s?
A. 4.0m/s2
B. 10m/s2
C. 2.5m/s2
D. 0.25m/s2
5. A heavy object and a light object are released from the rest at the same height and time in a
vacuum. As they fall, they have equal .
A. Weights
B. Moments
C. Acceleration
D. Energies
6. Airplanes are designed with pointed nose and thin tails in order to .
A. Produce fluid friction
B. Reduce drag
C. Increase the lift of the wing
D. Lessen the forward thrust
7. A stone was thrown upward from the roof, at the same time that an identical stone was dropped
from there. The two stones will .
A. Have the same velocity upon reaching the ground
B. Take the same time to reach the ground
1
, PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023
C. Have they same acceleration when they reach the ground
D. Reach the ground at the same time
2
, PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023
8. In a pair of scissors, the fulcrum is located at the .
A. Handle
B. Screw
C. Tip of the blades
D. Sharp edges
9. What kind of energy is possessed by water falling from a dam?
A. Potential
B. Kinetic
C. Accelerating
D. Interacting
10. If an object were equipped with a speedometer and allowed to fall freely on a planet where the
acceleration due to gravity is 20m/s2, by, how much will the reading on the speedometer increase
each second?
A. 30m/s
B. 20m/s
C. 40m/s
D. 10m/s
11. According to the kinetic molecular theory, liquids are similar in solids in that .
A. Their molecules are arrange in a regular manner
B. The motion of their particles changes with temperature
C. The motion of their particles cannot be determined
D. There is very little space in their molecules
12. When the solid block of materials is cut in half, its density is .
A. Unchanged
B. Halves
C. Doubled
D. Tripled
13. A ball is launched at an angle of 60 degrees from the horizontal. What do you call the horizontal
distance traveled by the ball?
A. Trajectory
B. Projectile
C. Range
D. Hyperbola
14. Which of the following is TRUE about an object thrown horizontally?
A. The vertical distance traveled increases uniformly
B. The horizontal motion is uniformly accelerated
C. The horizontal component of velocity increases
D. The velocity of the subject increases
15. In the absence of the air resistance, a projectile has a maximum range when thrown at an angle
of .
A. 90 degrees
B. 60 degrees
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, PORTAGE MICROBIOLOGY FINAL EXAM LATEST UPDATED 2023
C. 30 degrees
D. 45 degrees
16. A 400 N woman stands on top of a very tall ladder so she is one earth radius above the earth‟s
surface. How much does she weights?
A. 100N
B. Zero
C. 200N
D. 400N
17. What must be the minimum length of the plane mirror in order for you to see a full view of
yourself?
A. Your full height
B. One-fourth
C. One-half
D. Three-fourths
18. A rifle recoils from firing a bullet. The speed of the recoil is slow because .
A. The force against the rifle is less
B. The rifle has more mass than the bullet
C. The impulse on the rifle is less
D. The momentum of the rifle is unchanged.
19. Which statements differentiate weight for mass?
A. Weight is distance from a reference point
B. Weight has volume, mass has none
C. Weight is a full of gravity, mass is space occupied
D. Weight is a force while mass is amount of matter
20. Who established the relationship between the volume of a gas and the pressure when the
temperature is constant?
A. Blaise Pascal
B. Robert Boyle
C. Lavoisier
D. Archimedes
ANSWER KEY 11. B
1. B 12. A
2. D 13. C
3. D 14. D
4. A 15. D
5. C 16. A
6. B 17. C
7. C 18. B
8. B 19. D
9. B 20. B
10. B
4
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