Download Unit C—Life to Lifestyle

Unit C—Life to Lifestyle
Science 14
Sc ienc e
Rule s
Name: _____________________________________
Unit C Exam
Multiple Choice
Read the questions and the list of possible answers. Circle the best answer.
1. Which instrument uses light to help
magnify an object?
a) hand lens
b) compound microscope
c) scanning electron microscope
d) transmission electron microscope
3. Which part of a microscope has a lens that
enlarges the image from the objective
lens?
a) diaphragm
b) objective lens
c) tube
d) eyepiece
4. What is the smallest unit of life?
a) atom
b) molecule
c) cell
d) organelle
5. Which of the following make up a cell?
2. Which part of a microscope controls the
amount of light reaching the object?
a) diaphragm
b) eyepiece
a) organelles
b) tissues
c) organs
d) systems
c) tube
d) stage
6. There are certain activities that are
common to all cellular life. What are they
called?
a) cell theories
b) cellular resources
c) life abilities
d) life processes
7. Which part of a cell controls all activities
inside the cell?
12. What function does cytoplasm perform?
a) mitochondrion
a) It holds all the other organelles in
place.
b) ER
b) It releases energy in the cell.
c) vacuole
c) It stores water, food, and waste.
d) nucleus
d) It transports materials.
8. Which of the following provides
protection and strength to a plant cell?
13. Which of the following are only found in
plant cells?
a) cell membrane
a) cell membrane and cytoplasm
b) cell wall
b) cell wall and cytoplasm
c) cytoplasm
c) cell wall and chloroplasts
d) chloroplast
d) cell membrane and chloroplasts
9. Which of these organelles contains
pigment called chlorophyll?
14. Which of the following statements is true
about vegetarian diets?
a) chloroplast
(a) Vegetarian diets are low in fibre.
b) cytoplasm
(b) Vegetarian diets are high in iron and
B vitamins.
c) vacuole
d) ER
10. Which part of the cell is nicknamed “the
powerhouse”?
a) ER
b) nucleus
(c) Vegetarian diets are high in harmful
forms of fat.
(d) Vegetarian diets are low in iron and B
vitamins.
15. Which testing agent would you use to test
for starch in a food sample?
c) mitochondrion
(a) brown paper
d) vacuole
(b) Benedict’s solution
(c) Biuret solution
11. What does the cell membrane do?
a) It transports water, food, and waste
around the cell.
b) It separates the inner parts of the cell
from the surrounding environment.
c) It provides protection and strength to
the cell structure.
d) It contains chlorophyll to aid in
producing food for the plant.
(d) iodine
16. Which testing agent would you use to test
for glucose in a food sample?
(a) brown paper
(b) Benedict’s solution
(c) Biuret solution
(d) iodine
17. Which of these organs absorbs water,
vitamins, and minerals?
19. Which of the following procedures would
help you to identify nutrients in a food?
(a) pancreas
(a) looking at the food
(b) stomach
(b) cooking the food
(c) large intestine
(c) tasting the food
(d) small intestine
(d) using a testing agent
18. Which of the following plays important
role in mechanical digestion?
(a) enzymes
(b) gall bladder
(c) large intestine
20. What causes a condition called scurvy?
(a) excess of vitamin D
(b) excess of vitamin B
(c) deficiency of vitamin C
(d) deficiency of vitamin A
(d) teeth
Logical Order
Put the statements in their correct order by writing the letters on the line that follows. (6 marks)
12. The digestive process
(a) stomach muscles contract to mix food
with acids
(b) food enters the mouth
13. After a skiing accident
(a) medical professional checks vital signs
(b) X rays taken of leg injury
(c) Ski Patrol arrives
(c) acid in liquid food is neutralized and
nutrients are absorbed
(d) doctor sets broken leg
(d) teeth grind up food
(e) injured person is transported to
emergency clinic
(e) undigested food is excreted
(f) esophagus pushes food to stomach with
wave-like spasms
(g) vitamins, mineral, and water are
absorbed
(f) brain and vital organs are checked using
CAT scan
Short Answer
Use the space provided to answer the following questions. Unless asked to do otherwise, use complete
sentences in your written work. (6 marks)
14. Provide a specific example of each life
process.
Transportation:
Nutrition:
Reproduction:
Regulation:
Metabolism:
Synthesis:
Growth and repair:
21. Complete the following table 2 marks
Cell Structure
Description and Function
Vacuole
Chloroplast
22. Explain 2 Similarities and 2 differences between cellular respiration and photosynthesis. In
what type of organism does each occur? (4 marks)
23. Scientists look at characteristics to classify an object as living or non-living. State in your own
words how you would identify an object as living or non-living. (2 marks)
24. Label the following cell as an animal or plant cell. (1 mark) Label the cell organelles (7 marks)
25. Choose 3 of the following body systems and explain how they work together to help us to live
or function. (6 marks)
digestive system, circulatory system, respiratory system,
reproductive system, nervous system, muscular system and
skeletal system
26. Identify two situations when it would be useful to know what nutrients are present in an
unknown food and explain how a nutrition label would help. (2 marks)
27. Create a chart that summarizes information about the three processes of digestion. In the first
column, list each process. In the second column, write the name of all organs involved in the
process. (6 marks)