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Review 1st semester

Total questions: 86

Worksheet time: 1hrs 6mins

Name
Class
Date
1.

What is pictured in the illustration?

a)

Mitochondria

b)

Protein channels

c)

Protein layer

d)

Phospholipid bilayer

2.

The purple regions of the image represent:

a)

Phospholipid

b)

Protein channel

c)

Cholesterol

d)

Carbohydrates

3.

When water uses a channel protein called AQUAPORIN.  What type of transport is this?

a)

Osmosis

b)

Diffusion

c)

Active Transport

d)

Facilitated Diffusion

4.

The concentration of red molecules outside the cell is higher than the concentration inside the cell. The red molecules cannot penetrate the cell. What will happen to the cell?

a)

Water will leave the cell, and the cell will shrink. The solution is isotonic.

b)

Water will enter the cell, and the cell will expand. The cell is isotonic.

c)

Water will enter the cell, and the cell will expand. The cell is hypertonic.

d)

Water will leave the cell, and the cell will shrink. The solution is hypertonic.

5.

Which cell is in a hypertonic solution?

a)

A

b)

B

c)

C

6.

What protects carrot cells (plant) from swelling too much when it rains?

a)

They have cell walls that keep them from swelling too much.

b)

They don't swell because rain is absorbed by the roots.

c)

They have pores in their cell membranes that keep them from swelling.

d)

The rain water is hypertonic to the cells so the cells lose water.

7.

The variable you are measuring.

a)

independent

b)

dependent

c)

constant

8.

bio- means

a)

study

b)

eco-

c)

life

9.

Homeostasis is

a)

keeping a stable internal environment

b)

eating food

c)

sweating

d)

keeping your balance

10.

Cells can be

a)

multi-celluar

b)

unicelluar

c)

both

11.

What YOU change as the experimenter

a)

independent variable

b)

constant variable

c)

dependent variable

12.

How many level in our taxonomy system?

a)

5

b)

4

c)

7

13.

All living things:

a)

reproduce

b)

grow & develop

c)

use energy (eat)

d)

all of these

14.

Auto=self A living thing that is an autotroph can:

a)

grow & develop

b)

make food by itself

c)

watch Stars Wars movies ;-)

15.

di= two Using a dichotomous key means that you read ____ questions and then make a choice.

a)

4

b)

3

c)

2

16.

A cell´s structure refers to:

a)

specific parts of the cell

b)

plant cells

c)

multi-cellular animals

17.

A cell´s function refers to:

a)

what the cell is made of

b)

what the cell does (hair cell, root cell etc.)

c)

how the cell interacts with other cells

18.

Tissues in your body are groups of cells that:

a)

less organized than cells

b)

work together to form blood clots

c)

work together to perform a specific function

19.

Level of classification that has the MOST living things.

a)

class

b)

domain

c)

phylum

20.

A dichotomous key helps you to classify:

a)

all living things

b)

some living things

c)

just plants

21.

When you write the name of a living thing it should be:

a)

Genus-species Canis lupus

b)

Species-genus Lupus Canis

c)

Class-order Mammalia Carnivora

22.

How long is the paper clip?

a)

3 cm

b)

4cm

c)

5cm

23.

Which is true when using a digital balance?

a)

You should leave the cover on.

b)

You should press down on it to make sure it works.

c)

You should hold it level in the air when using.

d)

You should make sure it says 0.00 before you place anything on the scale.

24.
Which kind of pet do exactly five people have? 
a)
snake
b)
cat
c)
dog
d)
fish
25.
Which sport is the least favorite? 
a)
baseball
b)
football
c)
hockey
d)
basketball
26.

Annie recorded the amount of rain that fell each day. The results are shown in the line graph below. How many centimeters of rain fell on the third day?

a)

2

b)

3

c)

4

d)

7

27.

What type of graph is this?

a)

line plot

b)

line graph

c)

bar graph

d)

frequency table

28.

The X axis represents the _________ variable.

a)

Independent

b)

Dependent

29.

The Y axis represents the ____________ variable.

a)

Independent

b)

Dependent

30.
The maintenance of an organism’s internal environment is called:
a)
compensating
b)
homeostasis
c)
balancing
d)
routine
31.

What units does the item above measure in?

a)

kilograms (Kg)

b)

pounds (lbs)

c)

grams (g)

d)

inches (in)

32.
If your teacher asks you to move a microscope to table, how do you carry it?
a)
by the body tube and the eyepiece
b)
with one hand
c)
one hand on the arm and the other under the base
d)
with one hand on the base and the other on the eyepiece.
33.
What will be the total magnification if ocular lens is 10X and objective lens is 4X?
a)
4X
b)
40X
c)
10X
d)
100X
34.

Which objective lens should you start on to locate an image?

a)

scanning power

b)

low power

c)

high power

35.

What is a claim?

a)

Answers a question or problem

b)

long and detailed paragraph

c)

Explains why something happened

36.

What is evidence ?

a)

Answers a question

b)

Anything you see, hear or read or experience that causes you to believe something is true.

c)

Long and detailed paragraph

37.

What is an example of reasoning?

a)

Honey is stored in hives.

b)

Honeybees store their honey in hives.

c)

Honeybees use hexagons to store the honey and pollen they bring to the hive.

38.

What is an example of evidence?

a)

Football players are 33% more likely to get injured than baseball players.

b)

Football is more dangerous than baseball.

c)

Baseball is a fun sport.

39.

50 ml of water was added to the graduated cylinder. After we drop in the object, the new water level goes up to 60 ml. What is the volume of the blocks?

a)

8 ml

b)

10 ml

c)

60 ml

d)

5 ml

40.
When you step out into the cold, your body shivers in order to keep its temperature at 98.6F.
a)
All living things use energy
b)
All living things contain cells
c)
All living things maintain homeostasis
d)
All living things grow
41.

How many characteristics of life must an organism exhibit to be considered a living thing?

a)

All of them

b)

Some of them

c)

At least three

d)

At least one.

42.

_______ are the smallest units of life because they grow, reproduce, respond, and use energy.

a)

atoms

b)

elements

c)

cells

d)

all of the above

43.

Cells come from______.

a)

other preexisting cells

b)

cytoplasm

c)

organelles

d)

prokaryotes

44.

The cell theory states that_________

a)

cells come from cells

b)

all organisms are made of cells

c)

cells are the basic unit of structure and function for life

d)

all of the above

45.

________ is the scientist who saw small chambers when looking at cork, and named them “cells”.

a)

Newton

b)

Hooke

c)

Carson

d)

Manning

46.

The size of an organism is determined -

a)

by the size of the cells that make up the organism.

b)

by the number of cells that the organism has.

47.

The cell theory is a result of the work of one very important scientist name Hooke.

a)

True

b)

False

48.

A multicellular organism is made of

a)

one cell

b)

multiple cells

c)

unicellular cells

d)

there is no such thing as a "multicellular" organism

49.

One common feature of all cells is their ability to -

a)

work with other cells in a "unicellular" organism.

b)

reproduce themselves.

c)

be formed by spontaneous generation.

d)

exist without needing a cell membrane

50.

When a cell is ready to reproduce, it duplicates its contents, then divides into two similar (and sometimes exact duplicate) cells.

a)

True

b)

False

51.

Regardless of type, all cells

a)

have a cell membrane

b)

have cytoplasm

c)

can duplicate themselves by undergoing cell division

d)

all of the above

52.

Cell Membrane

a)

maintains homeostasis by controlling what enters and leaves the cell

b)

suspends the organelles and provides an environment for chemical reactions within the cell

c)

makes proteins

d)

provides structure for cells and movement of organelles

53.

Cytoplasm

a)

maintains homeostasis by controlling what enters and leaves the cell

b)

suspends the organelles and provides an environment for chemical reactions within the cell

c)

makes proteins

d)

provides structure for cells and movement of organelles

54.

Ribosome

a)

maintains homeostasis by controlling what enters and leaves the cell

b)

suspends the organelles and provides an environment for chemical reactions within the cell

c)

makes proteins

d)

provides structure for cells and movement of organelles

55.

Cytoskeleton

a)

maintains homeostasis by controlling what enters and leaves the cell

b)

suspends the organelles and provides an environment for chemical reactions within the cell

c)

makes proteins

d)

provides structure for cells and movement of organelles

56.

Nucleus

a)

stores genetic information (DNA)

b)

makes and transports proteins

c)

makes lipids and membranes (also detoxifies and stores calcium)

d)

modifies, sorts, and ships proteins

57.

Rough Endoplasmic Reticulum

a)

stores genetic information (DNA)

b)

makes and transports proteins

c)

makes lipids and membranes (also detoxifies and stores calcium)

d)

modifies, sorts, and ships proteins

58.

Smooth Endoplasmic Reticulum

a)

stores genetic information (DNA)

b)

makes and transports proteins

c)

makes lipids and membranes (also detoxifies and stores calcium)

d)

modifies, sorts, and ships proteins

59.

Golgi Bodies

a)

stores genetic information (DNA)

b)

makes and transports proteins

c)

makes lipids and membranes (also detoxifies and stores calcium)

d)

modifies, sorts, and ships proteins

60.

Mitochondria

a)

creates energy (ATP) from food; site of cellular respiration

b)

stores food, water, or wastes with the cell; plant cells have a special vacuole

c)

uses enzymes to digest bacteria, viruses, and old organelles (old cell parts are recycled)

d)

create special structures called spindle fibers that are used in cell division

61.

Vacuole

a)

creates energy (ATP) from food; site of cellular respiration

b)

stores food, water, or wastes with the cell; plant cells have a special vacuole

c)

uses enzymes to digest bacteria, viruses, and old organelles (old cell parts are recycled)

d)

create special structures called spindle fibers that are used in cell division

62.

Lysosome

a)

creates energy (ATP) from food; site of cellular respiration

b)

stores food, water, or wastes with the cell; plant cells have a special vacuole

c)

uses enzymes to digest bacteria, viruses, and old organelles (old cell parts are recycled)

d)

create special structures called spindle fibers that are used in cell division

63.

Centrosome/Centrioles

a)

creates energy (ATP) from food; site of cellular respiration

b)

stores food, water, or wastes with the cell; plant cells have a special vacuole

c)

uses enzymes to digest bacteria, viruses, and old organelles (old cell parts are recycled)

d)

create special structures called spindle fibers that are used in cell division

64.

Cell Wall

a)

provides shape, structure, and protection for the cell

b)

site of photosynthesis; uses the sun's energy to produce food

c)

stores water in order to maintain plant shape (if a plant needs water, it wilts)

d)

site of cellular respiration

65.

Chloroplast

a)

provides shape, structure, and protection for the cell

b)

site of photosynthesis; uses the sun's energy to produce food

c)

stores water in order to maintain plant shape (if a plant needs water, it wilts)

d)

site of cellular respiration

66.

Central Vacuole

a)

provides shape, structure, and protection for the cell

b)

site of photosynthesis; uses the sun's energy to produce food

c)

stores water in order to maintain plant shape (if a plant needs water, it wilts)

d)

site of cellular respiration

67.

What is the key role (function) of carbohydrates?

a)

energy storage

b)

immunity, muscles, structure for tissues, cell metabolism

c)

instant energy for cells and body functions

d)

genetic information (heredity)

68.

How how carbohydrates and lipids similar?

a)

both contain C, H, O, N, P and store energy

b)

both contain C, H, O, N and give energy

c)

both contain C, H, O, N, S and store energy

d)

both contain C, H, O and give energy

69.

The monomer for carbohydrates is a monosaccharide.

a)

True

b)

False

70.

Lipids key role (function ) is:

a)

immunity, chemical reactions in the body, cell metabolism, contract muscles, regulate other proteins

b)

store energy

c)

instant energy for cells/body

d)

heredity/genetic information

71.

What elements (monomers) make up a protein?

a)

C, H, O

b)

C, H, O, N

c)

C, H, O, N, P

72.

What is the smallest unit of a macromolecule?

a)

micromolecule

b)

glucose

c)

monomer

d)

polymer

73.

What elements (monomers) make up nucleic acids?

a)

C, H, O

b)

C, H, O, N, (S)

c)

C, H, O, N, P

74.

Carbohydrates are necessary for chemical reactions in our body.

a)

true

b)

false

75.

Sugars (saccharides) are not carbohydrates.

a)

false

b)

true

76.

Match the protein with the correct picture.

a)
b)
c)
d)
77.

What is the key role (function) of a protein?

a)

instant energy for the cell/body

b)

hormones, buoyancy, forms cell membranes, insulation, energy storage

c)

growth, repair, and energy, immune system, enzymes

d)

store and transmit genetic information/heredity

78.

Identify the monosaccharide:

a)
b)
c)
79.

Identify the lipid:

a)
b)
c)
d)
80.

Identify the nucleic acid:

a)
b)
c)
d)
81.

Identify the key role of nucleic acids:

a)

instant energy

b)

hormone, buoyancy, forms cell membranes, insulation, energy storage

c)

transport hemoglobin, immunity,chemical reactions, regulate proteins, tissue structure

d)

store and transmit heredity, genetic information

82.

Carbohydrates have C, H, O. What is the ratio of elements?

a)

2:1:2

b)

1:3:1

c)

1:2:1

d)

3:1:3

83.

The monomer for a lipid is:

a)

monosaccharide

b)

fatty acid

c)

nucleotide

d)

amino acid

84.

The monomer for a nucleic acid is:

a)

fatty acid

b)

monosaccharide

c)

nucleotide

d)

amino acid

85.

The monomer for a protein is:

a)

amino acid

b)

fatty acid

c)

monosaccharide

d)

nucleotide

86.

Which macromolecule contains C, H, O, and has hydrogen and oxygen in a 2:1 ratio?

a)

carbs

b)

lipids

c)

proteins

d)

nucleic acid

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