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Grade 10 - Science > Final Exam > Flashcards

Final Exam Flashcards

1
Q

The basic unit of life is the organelle.

A

False

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2
Q

One function of an organelle is reproduction.

A

False

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3
Q

Only animal cells have cell walls.

A

False

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4
Q

Plant cells have several small vacuoles

A

False

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5
Q

The nucleus controls only cellular activities in animal cells.

A

False

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6
Q

The cytoplasm includes the organelles and other life supporting materials

A

True

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7
Q

The function of the endoplasmic reticulum is to package nutrients.

A

False

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8
Q

Osmosis is another term for diffusion.

A

False

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9
Q

Osmosis involves the diffusion of water through a preamble membrane.

A

False

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10
Q

When a substance cannot penetrate a membrane, it cannot diffuse from an area of higher concentration to an area of lower concentration.

A

True

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11
Q

Which organelle makes energy available to the cell.
a) Golgi body
b) Mitochondrion
c) Nucleus
d) Endoplasmic reticulum

A

Mitochondrion

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12
Q

Which substance pass through to enter or leave a cell?
a) Golgi body
b) Ribosome
c) Nucleus
d) Cell membrane

A

Cell membrane

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13
Q

Which organelle makes proteins as directed by the nucleus?
a) Golgi body
b) Mitochondrion
c) Vacuole
d) Ribosome

A

Ribosome

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14
Q

Which organelle breaks down food into particles that cells can use for survival?
a) Golgi body
b) Vacuole
c) Endoplasmic reticulum
d) Mitochondrion

A

Mitochondrion

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15
Q

Which organelle converts food into compounds that the cell uses for growth, development, and movement?
a) Chlorplast
b) Golgi body
c) Endoplasmic reticulum
d) Mitochondrion

A

Mitochondrion

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16
Q

Which of the following structures serves as a boundary between the cell and environment?
a) Mitochondrion
b) Cell membrane
c) Chlorplast
d) Ribosome

A

Cell membrane

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17
Q

Which cell structure contains the cells genetic materials and controls the cells activites?
a) Organelle
b) Nucleus
c) Cytoplasm
d) Cell membrane

A

Nucelus

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18
Q

The main function of the cell was is to:
a) Store DNA
b) Direct the cells activities
c) Support and protect the cell
d) Help the cell move

A

Support and protect the cell

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19
Q

Which of the following is a function of the cytoskeleton?
a) Helps a cell maintain its shape
b) Contains DNA
c) Surrounds the cell
d) Helps to make proteins

A

Helps a cell maintain its shape

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20
Q

Which of the following is a function of the nucleus?
a) Store DNA
b) Controls most of the cells processes
c) Contains the genetic information needed to make proteins
d) All of the above

A

All of the above

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21
Q

Which of the following terms refers to cells having different jobs in organisms?
a) Multicellular
b) Cell specialization
c) Levels of organization
d) Unicellular

A

Cell specilization

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22
Q

Which organelle helps to provide cells with energy?
a) Mitrochondrion and chlorplast
b) Endoplasmic reticulum and vacuoles
c) Golgi body and ribsoes
d) Endoplasmic reticulum and vesicles

A

Mitrochondrion and chloroplast

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23
Q

Which of the following correctly matches the organelle with its function?
a) Mitochondrion and photosynthesis
b) Nucleus and respiration
c) Ribosome and manufacture of fats
d) Vacuole and storage

A

Vacuole and storage

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24
Q

Which group of organelles is involved in making the substance needed by the cell?
a) Nucleus, vacuole, and ribsome
b) Vacuole, endoplasmic reticulum and nucleus
c) Nucleus, ribosome, endoplasmic reticulum
d) Endoplasmic reituclum, ribosome, and vacuole.

A

Nucleus, ribosome, endoplasmic reticulum

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25
Q

Which organelle would you expect to find in plant cells but not in animal cells?
a) Mitochondrion
b) Ribsome
c) Chlorplast
d) Endoplasmic reticulum

A

Chlorplast

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26
Q

When the concentration of molecules on both sides of a semi premable mebrane is the same, it will:
a) Move across the membrane to the outside of the cell.
b) Stop moving across the membrane
c) Move across the membrane in both directions.
d) Move across the membrane to the inside of the cell

A

Move across the membrane in both directors.

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27
Q

The diffusion of water across a semi premable membrane is called:
a) Osmotic pressure
b) Osmosis
c) Diffusion
d) Active transportation

A

Osmosis

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28
Q

Diffusion is the movement of molecules from:
a) an area of low concentration to an area of high conentration.
b) an area of high concentration to an area of low concentration.
c) an are of equilinirum to an area of high concentration.
d) all of the above

A

An are of high concentration to an area of low concentration.

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29
Q

An animal cell that is surrounded by fresh water will burst because the pressure causes:
a) Water to burst into the cell.
b) Water to move out of the cell.
c) Substances to move into the cell.
d) Substances to move out of the cell.

A

Water to move out of the cell

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30
Q

Concentration

A

The number of molecules of a substance in a given volume.

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31
Q

Diffusion

A

The movement of molecules from an area of high concentration to an area of low concentration until they are evenly distrubuted.

32
Q

Osmosis

A

The movement of water molecules across a membrane in response to concentration differences.

33
Q

Cell membrane

A

Controls the flow of materials in and out of the cell

34
Q

Chlorplast

A

Traps energy from the sun to make glucose

35
Q

The basic unit of life is the organelle

A

False

36
Q

Only animal cells have cell walls

A

False

37
Q

During interphase the elongated cell begins to pinch apart at the centre.

A

False

38
Q

During anaphase the new chromosomes are pulled apart and drawn to each end of the cell.

A

True

39
Q

During metaphase the chromosomes begin to uncoil.

A

False

40
Q

The phases of mitosis occur in this order: prophase, anaphase, telophase, and metaphase

A

False PMAT

41
Q

The chromsones align themselves in the middle of the cell during:
a) Prophase
b) Anaphase
c) Metaphase
d) Telophase

A

Metaphase

42
Q

New chromsones are pulled apart and drawn to each end of the cell during:
a) Phrophase
b) Metaphase
c) Anaphase
d) Telophase

A

Anaphase

43
Q

In which phase do cells spend most of their time?

A

Interphase

44
Q

During which stage of mitosis do the loosley arranged strands of chromosomes become coiled, shortened, and distinct?

A

Prophase

45
Q

All specialized cells are the result of cell differentiation.

A

False

46
Q

The human heart contains muscle ells, nerve cells, connective tissue, and epithelial tissue.

A

True

47
Q

A group of cells that performs similair functions is called an organ.

A

False (tissue)

48
Q

The 4 principle types of tissues are:

A

Epithelial, connecitve, muscle, and nervous

49
Q

In which phase does the chromosomes replicate and the nuclear membrane disappears?

A

Interphase

50
Q

Cells specialized to transmit information between body regions are:
a) Muscle cells
b) Connective cells
c) Epithelial cells
d) Nervous cells

A

Nervous cells

51
Q

Vocal cords
a) Larynx
b) Large intestine
c) Gas exchange
d) Absorption
e) Alveoli
f) Stomach

A

Larynx

52
Q

Process by which nutrients pass into the digestive system
a) Larynx
b) Large intestine
c) Gas exchange
d) Absorption
e) Alveoli
f) Stomach

A

Absorption

53
Q

Takes place in the alveolus
a) Larynx
b) Large intestine
c) Gas exchange
d) Absorption
e) Alveoli
f) Stomach

A

Gas exchange

54
Q

Where gas exchange occurs
a) Larynx
b) Large intestine
c) Gas exchange
d) Absorption
e) Alveoli
f) Stomach

A

Alveoli

55
Q

Where water and nutrients are reabsorbed
a) Larynx
b) Large intestine
c) Gas exchange
d) Absorption
e) Alveoli
f) Stomach

A

Large intestine

56
Q

Very small objects such as cells are best viewed using:
a) PET Scan
b) CT scans
c) MRI scans
d) Microscopy

A

Microscopy

57
Q

Endoscopy can be used to:
a) View hard tissue such as bone.
b) Observe organ function
c) View internal body parts without cutting.
d) Contrast soft tissue and hard tissue

A

View internal body parts without cutting

58
Q

Which of the following can best diagnose bone injuries and malformation?
a) X-rays and ultrasound
b) X-rays and CT scans
c) CT scans and ultrasounds
d) Ultrasounds and PET scans

A

X-rays and CT scans

59
Q

Involves sending electromagnetic radiation through the body:
a) MRI scan
b) Endoscopy
c) PET scan
d) Ultrasound
e) X-ray
f) CT scan

A

X-ray

60
Q

Direct sound waves at specific body parts:
a) MRI scan
b) Endoscopy
c) PET scan
d) Ultrasound
e) X-ray
f) CT scan

A

Ultrasound

61
Q

Scan that involves small amounts of radioactive materials taken into the body:
a) MRI scan
b) Endoscopy
c) PET scan
d) Ultrasound
e) X-ray
f) CT scan

A

PET scan

62
Q

Produces 3d images of body parts:
a) MRI scan
b) Endoscopy
c) PET scan
d) Ultrasound
e) X-ray
f) CT scan

A

CT scan

63
Q

Involves passing radio waves through a magnetic field around the body:
a) MRI scan
b) Endoscopy
c) PET scan
d) Ultrasound
e) X-ray
f) CT scan

A

MRI scan

64
Q

A polyatomic ion is composed of at least 3 atoms.

A

False

65
Q

One electron is transferred from one sodium atom to one chlorine atom to form sodium chloride

A

True

66
Q

Multivalent metals have more than one ion charge.

A

True

67
Q

Magnesium phosphide is an ionic compound.

A

True

68
Q

A reactant is a pure substance that is formed in a chemical change.

A

False

69
Q

Sodium chloride is a covalent compound.

A

False

70
Q

An ion is a negatively charged ion.

A

True

71
Q

There are 2 ways to identify a compound: by it’s chemical name and it’s chemical formula.

A

True

72
Q

Calcium hydroxide is an ingredient in making mortar and plaster for construction.

A

True

73
Q

An ionic compound is composed of ions with the same charge

A

False

74
Q

How many electrons does a beryllium atoms lose when it forms an ion?
a) 1
b) 2
c) 3
d) 4

A

2

75
Q
A

Grade 10 - Science (4 decks)

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