K/U T/I C MC
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Name: _____________________________
Date:______________________________
Cellular Biology Unit Test
SBI 3C1
PART A: Multiple Choice Questions (15 marks- K/U)
Complete the following questions on the scantron card provided.
1. One of the generalizations of the cell theory is that:
(a) All cells have a nucleus
(b) All cells divide by meiosis
(c) All living things are composed of one or more cells
(d) Growth is solely the result of cell division
2. If a cell did not have ribosomes, it would be unable to?
(a) Extract energy from glucose
(b) Make glucose
(c) Store food in the form of fat
(d) Form proteins
3. Which of the following are found in BOTH plant and animal cells:
(a) Nucleus, Golgi bodies, chloroplasts
(b) Ribosomes, mitochondria, cell membrane
(c) Flagella, cell walls, nucleolous
(d) Vaculoles, nucleolous, lysossomes
4. Which of the following is not a form of passive transport:
(a) Osmosis
(b) Facilitated diffusion
(c) Diffusion
(d) Exocytosis
5. Movement of a molecule against a concentration gradient is:
(a) Simple diffusion
(b) Facilitated diffusion
(c) Osmosis
(d) Active transport
6. The carrier molecules used in active transport are:
(a) Proteins
(b) ATP molecules
(c) Carbohydrates
(d) Lipids
7. When molecules are broken apart in respiration:
(a) The heat produced is used to drive biological reactions
(b) The oxygen in the compounds that are broken apart is used as an energy source
(c) ATP is converted into ADP
(d) ADP is released as a waste product
8. Cells absorb large molecules from a region of low concentration to one of high concentration
by:
(a) Osmosis and diffusion
(b) Endocytosis and diffusion
(c) Active transport and exocytosis
(d) Endocytosis and active transport
9. Protein is made up of a long chain of:
(a) glucose molecules
(b) amino acids
10. Polysaccharides are long chain polymers of:
(a) fructose (b) glucose
(c) amylose
(c) glycerols
(d) provacs
(d) sucrose
11. Carbohydrates are:
(a) The primary energy source
(b) Not the primary energy source
(c) Not simple sugars
(d) Found in animal cell walls
12. Plastids…
(a) Are found in specialized animl cells
(b) Produce and store sugars, starch and some pigments
(c) Do not produce and store sugars, starch and some pigments
(d) Maintain turgor pressure
13. Coarse adjustment…
(a) Is used at high magnification only
(b) Moves the stage up and down
(c) Is used at low magnification only
(d) Does nothing
14. Mitochondria can also be thought as:
(a) power house
(b) Mr. mighty might (c) producer of protein
15. The cytoskeleton…
(a) Maintains cell shape and allows for movement of cell parts
(b) Does not maintain cell shape and allows for movement of cell parts
(c) Is not a network of interconnecting fibres
(d) Does not provide protection for the organism
(d) producer of sugar
PART B: Matching Questions (15 marks- K)
Continue to fill out your scantron card…Terms may be used more than once.
a) isotonic
b) exocytosis
c) semi-permeable
d) osmosis
e) starch
ab) endocytosis
ac) hypotonic
ad) lysis
ae) cell wall
bc) glucose
bd) mitochondria
be) lipid
cd) Golgi bodies
ce) hypertonic
de) hydrophilic
16. Iodine solution
17. Same concentration of solutes and water
18. Diffusion of water across a semi-permeable membrane
19. Bursting of cells casued by internal pressure
20. Passage of large molecules into the cell
21. Passage of large molecules out of the cell
22. Translucent paper test
23. Membrane allowing certain substances to pass through
24. A solution with a greater concentration of solute outside the cell
25. Protein packaging factory in the cell
26. Benedict’s solution
27. Non-living structure that protects and supports the cell
28. Kidney shaped organelles, the centre of respiration
29. Water-loving
30. A solution with a greater concentration of solvent out of the cell
PART C: Label the following diagram to the best of your knowledge (5 marks- C)
PART D: Short Answer ( 22 marks- MC)
Answer the following questions to the best of your abilities.
1. Explain the difference between passive and active transport. Give an example of each (4 marks)
2. Draw a cross section of a cell membrane and label it. (4 marks)
3. Describe what would happen if you put an animal cell in a hypotonic and a hypertonic solution.
Use a diagram to aid in explanation. (Assume the membrane is selectively permeable to water) (6
marks)
4. Given DNA strand 1, provide the complimentary DNA strand 2. (2 marks)
DNA strand 1:
A T G A T C G A T C T C A G C T A G
DNA strand 2:
5. Write the balanced chemical equation for cellular respiration. (2 marks)
6. Explain the enzyme-subtrate model. Use diagrams and point form notes to explain. (4 marks)
PART D: Making Connections ( 10 marks)
Answer the following questions to the best of your abilities.
1. Why is it not a good idea to consume a diet rich in saturated fats and cholesterol? (2 marks)
2. Describe two industrial uses of enzymes, one in the food making sector, the other in the cleaning
sector. (2 marks)
3. Why does salted popcorn dry your lips? (2 marks)
4. List and explain 4 differences between plant and animal cells (4 marks)
PART E: Long Answer (8 marks)
5. In a well thought out paragraph, compare and contrast diffusion and osmosis. Make sure to
provide some examples. You will be marked on how well you use proper terminology, spelling
and grammar.