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Honors Bio Semester 1 Review

Total questions: 80

Worksheet time: 2hrs 5mins

Name
Class
Date
1.
In which eukaryotic organelles does photosynthesis occur?
a)
mitochondria
b)
stomata
c)
xylem
d)
chloroplast
2.
Most plants appear green because chlorophyll
a)
absorbs green light.
b)
absorbs violet light.
c)
reflects green light.
d)
does not absorb violet light.
3.
What is the primary function of the light-dependent reactions of photosynthesis?
a)
To produce glucose
b)
To produce NADPH and ATP
c)
To use ATP
d)
To produce RuBP
4.
Which of the following is NOT a product of the light-dependent reactions?
a)
ATP
b)
NADPH
c)
Oxygen
d)
Glucose
5.
Plants need carbon dioxide from their environment to produce glucose during which stage of photosynthesis? 
a)
The light-dependent stage
b)
The light-independent stage (The Calvin Cycle)
c)
The electron transport chain
d)
ATP formation
6.
Which of the following best describes photosynthesis?
a)
Photosynthesis converts radiant energy into chemical energy.
b)
Photosynthesis produces carbohydrates.
c)
Plants need sunlight, carbon dioxide, water, nutrients, and chlorophyll to complete photosynthesis.
d)
Plants use chlorophyll, water, and carbon dioxide to make sugar.
7.
Why is photosynthesis important?
a)
creates oxygen for animals to breath
b)
creates energy for heterotrophs to use
c)
creates food for plants to use
d)
all of these are correct
8.
Oxygen is...
a)
needed for photosynthesis to occur
b)
a product of cellular respiration
c)
a product of photosynthesis
d)
deadly to humans
9.

Carbon dioxide is used in the

a)

light dependent reaction

b)

light independent reaction

10.

Water is used in the

a)

light dependent reaction

b)

light independent reaction

11.

Which of the following would NOT cause a change in the rate of photosynthesis

a)

lack of oxygen

b)

lack of carbon dioxide

c)

lack of water

d)

lack of light

12.

What is the correct equation for cellular respiration?

a)

oxygen + sugar -> carbon dioxide + water + Energy

b)

carbon dioxide + sugar + Energy -> carbon dioxide + water

c)

carbon dioxide + water -> oxygen + sugar + Energy

d)

carbon dioxide + water + Energy -> oxygen + sugar

13.

What is important about cellular respiration?

a)

It produces energy from the sun.

b)

It forms sugar.

c)

It transforms sugar into a usable form of energy (ATP)

d)

Only plants perform this process.

14.

Which organ excretes (gets rid of) carbon dioxide?

a)

Lungs

b)

Liver

c)

Heart

d)

Kidney

15.

One molecule produced by animals during cellular respiration is

a)

carbon dioxide

b)

glucose

c)

oxygen

d)

chlorophyll

16.
Which cellular organelle is responsible for manufacturing ATP?
a)
Ribosome
b)
Nucleus
c)
Mitochondria
d)
Chloroplast
17.

What is one of the molecules needed from the Krebs Cycle in order for the Electron Transport Chain to occur?

a)
ATP
b)
FADH2
c)
CO2
d)
H20
18.
What is a product of the Electron Transport Chain?
a)
CO2
b)
O2
c)
C6H1206
d)
H2O
19.

Where does the electron transport chain occur?

a)

Nucleus

b)

Vacuole

c)

Mitochondria

d)

Nucleolus

20.

In what part of the mitchondria does the electron transport chain occur?

a)

Inner mitochondrial membrane (folds of the mitochondria)

b)

Outer mitochondrial membrane

c)

Cytoplasm

d)

Ribosomes

21.

What does FADH2 and NADH bring directly to the electron transport chain?

a)

Oxygen

b)

Water

c)

Electrons and Hydrogen ions

d)

ATP

22.
The conversion of glucose to two molecules of pyruvate is the result of what process?
a)
the krebs cycle
b)
glycolysis
c)
the electron transport chain
d)
oxidative phosphorylation
23.
Cellular Respiration is considered aerobic because it:
a)
requires carbon dioxide
b)
requires glucose
c)
requires ATP
d)
requires oxygen
24.

Please identify the proper locations for each step of cellular respiration (more than one answer may be correct).

a)

Glycolysis = Cytoplasm

b)

Glycolysis = Mitochondria

c)

Kreb Cycle = Cytoplasm

d)

Kreb Cycle = Mitochondria

25.

Which branch of biology deals with interactions among organisms and between organisms and their environment?

a)

Ecology

b)

Hydrology

c)

Astrology

d)

Geology

26.

The biosphere is...

a)

the combined portions of Earth in which all living things exist.

b)

all of the living things in a community.

c)

the gases in the atmosphere.

d)

all of the abiotic factors in an ecosystem.

27.

The difference between a population and a community is:

a)

Population = 1 species Community = many species

b)

Population = 2 species Community = many species

c)

Population = many species Community = 1 species

d)

They are the same thing.

28.

Species make up ___________, which make up _____________.

a)

populations ; communities

b)

communities ; populations

c)

ecosystems ; communities

d)

populations ; ecosystems

29.

Which of these is a producer?

a)

Grass

b)

Coyotes

c)

Elephant

d)

Human

30.

What does sunlight provide to most ecosystems?

a)

Energy

b)

Carbohydrates

c)

Carbon Fixation

d)

Water

31.

Which of these produces its own food supply?

a)

Autotroph

b)

Heterotroph

c)

Consumer

d)

Detritovore

32.

What is shown here?

a)

Food Web

b)

Food Chain

c)

Competition Chart

d)

Decomposers

33.

If you are an animal that eat both producers and consumers you are a(n)....

a)

omnivore.

b)

herbivore.

c)

chemotroph.

d)

autotroph.

34.

What is the term for each step in the transfer of energy and matter within a food web?

a)

Trophic Levels

b)

Energy Paths

c)

Food Pyramids

d)

Food Chains

35.

If you eat living things, then you are a...

a)

carnivore.

b)

herbivore.

c)

producer.

d)

all choices are correct

36.

Oliver, Ethan, and Hannah are studying for their biology exam. They come across a question about the basic building block of carbohydrates. What is it?

a)

Amino Acid

b)

Nucleic Acid

c)

Triglyceride

d)

Monosaccharide

37.

Nora, Mason, and Harper are in a biology class. Their teacher asks them, 'What are proteins made of?'

a)

Amino Acids

b)

Fatty Acids

c)

Nucleotids

d)

Monosaccharides

38.

Grace, Nora, and Oliver are studying biology. They come across a nucleotide monomer under the microscope. They wonder, what kind of polymer would be formed when these monomers are joined together?

a)

protein

b)

carbohydrate

c)

lipid

d)

nucleic acid

39.

Sophia, Henry, and Zoe are running a marathon. They need a quick energy boost. Which macromolecule made of CHO should they consume?

a)

carbohydrates

b)

proteins

c)

nucleic acids

d)

lipids

40.

Charlotte, James, and Zoe are working on a project about polymers. They need to identify the building blocks of polymers. What should they look for?

a)

monomer

b)

polypeptide

c)

monosaccharide

d)

glycerol

41.
Where do substrates bind on an enzyme?
a)
voltage-gated channels
b)
surface receptor
c)
calcium channels
d)
active site
42.
What is the purpose  of an enzyme?
a)
give permission for the reaction
b)
raise activation energy
c)
speed up reactions
d)
control how many reactions occur
43.
With what 3 letters do enzymes typically end?
a)
-ose
b)
-ase
c)
-ese
d)
-tic
44.
Which of the following conclusions can be drawn from this graph?
a)
The optimum pH of the enzyme is 6.6.
b)
The optimum pH of the enzyme is 5.8
c)
The enzyme’s activity increases as pH increases 5.0 to 9.0
d)
The enzyme’s activity is greater around pH of 8.0 .
45.
Based on the graph, what is the optimal temperature for this enzyme? 
a)
15oC
b)
40oC
c)
30oC
d)
35oC
46.
What happens when enzymes are heated to a high temperature?
a)
The enzymes die.
b)
The shapes of the enzyme are altered denature
c)
The enzymes' amino acid sequence changes.
d)
The enzymes remain the same
47.
Which of these is most likely an enzyme?  
a)
Sucrose
b)
Galactose
c)
Fructose
d)
Amylase
48.
Letter D...
a)
active site
b)
enzyme
c)
substrate
d)
products
49.
Letter B...
a)
active site
b)
enzyme
c)
substrate
d)
products
50.
Letter C...
a)
active site
b)
enzymes
c)
substrate
d)
products
51.
Letter E...
a)
active site
b)
enzyme
c)
substrate
d)
products
52.

What is the main function of the cell membrane?

a)

Regulate passage of substances

b)

Produce energy

c)

Store genetic information

d)

Maintain cell shape

53.

Describe the structure of the cell membrane.

a)

The cell membrane is a single-layered structure

b)

The cell membrane is composed of carbohydrates only

c)

The cell membrane is impermeable to all substances

d)

The cell membrane is a phospholipid bilayer with embedded proteins.

54.

Explain the difference between active and passive transport mechanisms.

a)

Active transport requires energy, passive transport does not.

b)

Active transport involves carrier proteins, passive transport involves channel proteins.

c)

Active transport occurs through osmosis, passive transport occurs through facilitated diffusion.

d)

Active transport moves molecules from low to high concentration, passive transport moves molecules from high to low concentration.

55.

How does osmosis differ from diffusion?

a)

Osmosis involves the movement of gases specifically, while diffusion involves the movement of any type of particle.

b)

Osmosis is a faster process than diffusion due to the involvement of water molecules.

c)

Osmosis only occurs in living organisms, while diffusion occurs in non-living systems.

d)

Osmosis involves the movement of water molecules specifically, while diffusion involves the movement of any type of particle.

56.

Discuss the process of exocytosis.

a)

Exocytosis is the process by which cells break down substances within the cell.

b)

Endocytosis is the process by which cells release substances from intracellular vesicles into the extracellular space.

c)

Exocytosis is the process by which cells absorb substances from the extracellular space into intracellular vesicles.

d)

Exocytosis is the process by which cells release substances from intracellular vesicles into the extracellular space.

57.

What happens to a cell placed in a hypertonic solution?

a)

The cell will remain the same size

b)

The cell will divide

c)

The cell will expand

d)

The cell will shrink or shrivel.

58.

Why is the cell membrane considered selectively permeable?

a)

It allows certain substances to pass through while restricting the passage of others.

b)

It is impermeable to all substances.

c)

It only allows water to pass through.

d)

It allows all substances to pass through freely.

59.
Which is true of prokaryotic and eukaryotic cells?
a)
Prokaryotic cells are larger than eukaryotic cells.
b)
Eukaryotic cells do not have nuclei, and prokaryotic cells do have nuclei.
c)
Prokaryotic cells lack membrane-bound organelles, and eukaryotic cells contain membrane-bound organelles.
d)
Eukaryotic cells are simpler than prokaryotic cells.
60.

Which do BOTH prokaryotes and eukaryotes contain?

a)

nucleus

b)

mitochondria

c)

ribosomes

d)

cell wall

61.

Which does only eukaryotic cells contain?

a)

nucleus

b)

DNA

c)

cell membrane

d)

ribosomes

62.

Prokaryotic cells do not have…….

a)

membrane bound organelles

b)

cell membrane

c)

DNA or RNA

d)

life

63.

You can distinguish a prokaryote apart from a nucleus by--

a)

The presence of a ribosome

b)

The presence of a cell membrane

c)

The presence of DNA

d)

The presence of a nuclear membrane

64.

Which of the following structures is ALWAYS found in both eukaryotic and prokaryotic cells?

a)

nucleus

b)

mitochondria

c)

ribosomes

d)

cell wall

65.

The smallest unit of a living thing are

a)

atoms

b)

cells

c)

DNA

d)

organelles

66.

Bacteria is an example of a(n)

a)

prokaryotic cell.

b)

eukaryotic cell.

67.
Ostriches and gazelles eat together.  They both watch for predators and danger.  Since they see things differently, they each can identify threats the other animal may not see.  Both species are benefited.  
a)
mutualism
b)
commensalism
c)
predation
d)
parasitism
68.
Yucca flowers are pollinated by yucca moths.  The moths lay their eggs in the flowers and the eggs hatch. The larvae eat some of the seeds, and  spread them around.  Both species are benefited.
a)
mutualism
b)
commensalism
c)
parasitism
d)
competition
69.
Mistletoe takes water and nutrients from the oak tree. This is good for the mistletoe but bad for the tree.
a)
mutualism
b)
commensalism
c)
parasitism
d)
competition
70.
A bison walks through the grass, insects fly up and are seen and eaten by egretsThis neither harms nor helps the bison, but it is easier for the egrets to get food.
a)
mutualism
b)
parasitsm
c)
commensalism
d)
competition
71.
A flea feeds on a mouse’s blood.  This is good for the flea but bad for the mouse.
a)
mutualism
b)
commensalism
c)
parasitism
d)
competition
72.
Hermit crabs live in shells that snails don't use anymore. The hermit crab gets a nice free home.  This neither harms nor helps the snails.
a)
mutualism
b)
commensalism
c)
parasitsm
d)
predation
73.
Birds build nests out of dead twigs and leaves.  They build their nests in living trees.  This doesn't hurt the tree.
a)
mutualism
b)
commensalism
c)
parasitism
d)
predation
74.
In this food web, the grasshopper and the mouse have this relationship:
a)
mutualism
b)
commensalism
c)
competition
d)
predation
75.
in this food web, the lizard and the hawk have this relationship
a)
mutualism
b)
commensalism
c)
predation
d)
parasitsm
76.
In this food web, the snake and the mouse have this relationship
a)
mutualism
b)
commensalism
c)
predation
d)
parasitsm
77.

A species that plays a critical role in the health, maintenance, growth, or definition of an ecosystem.

a)

keystone

b)

invasive

c)

engineer

d)

predator

78.

A species that does not belong in a balanced ecosystem, comes in, and changes it (usually for the worse).

a)

flagnship

b)

umbrella

c)

invasive

d)

predator

79.

A species that helps to manage prey populations, which in turn controls the ecosystem's producers (vegetation).

a)

predator

b)

keystone

c)

engineer

d)

mutualist

80.
A _____________________ is something that scientists use to represent an object or process
a)
mass
b)
matter
c)
model
d)
weight