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Biology Review (1st Half)

Total questions: 55

Worksheet time: 34mins

Name
Class
Date
1.

What structure in the cell membrane is E pointing to?

a)

Phospholipid

b)

Protein

c)

Cholesterol

d)

Carbohydrate

2.

Which structure in the cell membrane is labeled by the letter B?

a)

Phospholipid

b)

Protein

c)

Cholesterol

d)

Carbohydrate

3.

Which two environmental conditions can denature an enzyme?

a)

Temperature & pH

b)

Temperature ONLY

c)

pH ONLY

d)

Temperature & Concentration of Substrate

4.

What is letter I pointing to?

a)

Protein

b)

Phospholipid

c)

Carbohydrate

d)

Cholesterol

5.

Which of these is an example of a protein?

a)

Starch

b)

DNA

c)

DNA polymerase

d)

Phospholipid

6.

Which of these is an example of a lipid?

a)

Glucose

b)

RNA

c)

An enzyme

d)

Oil

7.

A monomer is to a polymer, as a _____ is to a _____.

a)

Car is to a garage

b)

A pole is to a flag

c)

A bead is to a necklace

d)

A name tag is to a person

8.

Which of these is an example of a carbohydrate?

a)

Glucose / Starch

b)

DNA

c)

DNA polymerase

d)

Phospholipid

9.

Which of the following processes DOES NOT describe homeostasis?

a)

Sweat to control body temperature

b)

Insulin to control blood sugar

c)

Hormones to balance water retention and excretion

d)

Milk toning down spicy food

10.

Which of the following structures does a plant cell have but not an animal cell?

a)

Cell wall

b)

Centriole

c)

Lysosomes

d)

Cell membrane

11.

Cellular respiration takes place in which organelle?

a)

Chloroplast

b)

Mitochondria

c)

Ribosome

d)

Lysosome

12.

An egg placed in a jar of honey would be in which kind of environment? (Honey is HIGH in solutes)

a)

Hypotonic

b)

Hypertonic

c)

Isotonic

13.

Which process occurs ONLY in plants and not animal cells?

a)

Cellular respiration

b)

Photosynthesis

c)

Protein synthesis

d)

Lipid synthesis

14.

Which organelle is found only in animal cells?

a)

Mitochondria

b)

Chloroplast

c)

Centrioles

d)

Large vacuole

15.

Which of the following is not a characteristic of living things?

a)

Ability to reproduce

b)

Ability to breathe oxygen

c)

Ability to evolve

d)

Ability to grow and develop

16.

Which macromolecule does this picture describe?

a)

Protein

b)

Carbohydrate

c)

Nucleic Acid

d)

Lipid

17.

A cell placed in pure water would be in which kind of environment?

a)

Hypotonic

b)

Hypertonic

c)

Isotonic

18.

What are the products of photosynthesis?

a)

Glucose and water

b)

Light & Oxygen

c)

Glucose, carbon dioxide, and ATP

d)

Glucose and oxygen

19.

Which type of membrane transport USES ATP and goes AGAINST the concentration gradient?

a)

Passive

b)

Active

20.

Which type of bond is labeled by "1"?

a)

Covalent bond

b)

Ionic bond

c)

Hydrogen bond

d)

Oxygen bond

21.

In which direction will the water move? (assume the membrane is IMPERMEABLE to the solutes)

a)

To the left

b)

To the right

c)

There will be no change

d)

Both sides will decrease

22.

Which of the following correctly labels the diagram below?

a)

A= substrate, E=product

b)

A= product, E= substrate

c)

A= enzyme, E= product

d)

A= active site E= enzyme

23.

Which of the following is BEST characterized what letter B is pointing to?

a)

Active site

b)

Product

c)

Substrate

d)

Enzyme

24.

Enzymes are which type of macromolecule?

a)

Carbohydrate

b)

Protein

c)

Lipid

d)

Nucleic Acid

25.

Which cells have NO membrane bound organelles?

a)

Animal cells

b)

Prokaryotic cells

c)

Eukaryotic cells

d)

Plant cells

26.

Which of the following is categorized as active transport?

a)

Endocytosis

b)

Facilitated Diffusion

c)

Osmosis

d)

Diffusion

27.

Which of the following is a form of passive transport?

a)

Phagocytosis

b)

Endocytosis

c)

Exocytosis

d)

Osmosis

28.

Which of the following types of transport requires a protein?

a)

Facilitated diffusion

b)

Diffusion

c)

Osmosis

d)

Exocytosis

29.

Which organelle digests food particles, waste, cell parts, and foreign invaders?

a)

Rough E.R.

b)

Lysosomes

c)

Smooth E.R.

d)

Vacuole

30.

Which organelle is included in all cells? Prokaryotic AND Eukaryotic

a)

Nucleus

b)

Vacuole

c)

Rough E.R.

d)

Ribosome

31.

What are the products of cellular respiration?

a)

Oxygen and water

b)

Carbon dioxide and oxygen

c)

Carbon dioxide, water, and ATP

d)

Carbon dioxide and glucose

32.

In an experiment, the one variable that is changed is called the

a)

Constant variable

b)

Controlled variable

c)

Independent variable

d)

Dependent variable

33.

In an experiment, the factor that we measure is called the

a)

Constant variable

b)

Controlled variable

c)

Independent variable

d)

Dependent variable

34.

Viruses are not living things; however, they do have and/or are able to - (SELECT ALL THAT APPLY)

a)

DNA/ RNA

b)

Reproduce

c)

Evolve

d)

Respond to stimulus

35.

The attraction among molecules of different substances is called

a)

Cohesion

b)

Adhesion

c)

High specific heat

d)

Surface tension

36.

The group in an experiment that does NOT receive the IV change. The "baseline" or "normal" group:

a)

Experimental Group

b)

Constants Group

c)

Control group

d)

Dependent Group

37.

What do cohesion, surface tension, and adhesion all have in common in reference to water?

a)

All increase when temperature increases

b)

All are produced by ionic bonding

c)

All are properties related to hydrogen bonding

d)

All have to do with nonpolar covalent bonds

38.

Which term refers to having a partial positive charged region and a partial negative charged region?

a)

High specific heat

b)

Cohesion

c)

Adhesion

d)

Polarity

39.
The two types of feedback systems that help organisms maintain homeostasis are:
a)
positive and negative 
b)
receptor and effector
c)
static and dynamic
d)
minor and major
40.

A process which "corrects" an imbalance in the body to return to homeostasis.

a)

Homeostasis

b)

Negative Feedback Loop

c)

Postive Feedback Loop

d)

Stimulus

41.

Which of the following is a characteristic of enzymes?

a)

They lower the activation energy of reactions

b)

They are made of nucleic acids

c)

They are consumed in reactions

d)

They are used up after one reaction

42.

Which process is responsible for the movement of water across a semipermeable membrane?

a)

Facilitated diffusion

b)

Osmosis

c)

Active transport

d)

Endocytosis

43.

Which of the following processes is an example of active transport?

a)

Facilitated diffusion

b)

Endocytosis

c)

Osmosis

d)

Diffusion

44.

What is the primary function of ribosomes in a cell?

a)

Lipid storage

b)

DNA replication

c)

Protein synthesis

d)

Energy production

45.

Which of the following is a characteristic of enzymes?

a)

They are made of lipids

b)

They lower the activation energy of reactions

c)

They are only found in animal cells

d)

They are consumed in reactions

46.
What is the function of the vacuole?
a)

Stores water, nutrients, and waste products

b)

Pocket filled with digestive chemicals

c)

Jelly-like substance within the plasma membrane

d)

stack of membranes that packages chemicals

47.

What is the function of the organelle depicted in the photo?

a)

To dispose of waste in the cell.

b)

To capture sunlight and convert it into glucose for the cell.

c)

To release energy into the cell.

d)

To control what leaves and enters the cell.

48.

Which organelle contains DNA and controls the cell?

a)

Cell membrane

b)

nucleus

c)

nucleolus

d)

lysosme

49.
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.
50.
Which type of cell?
a)
Prokaryote
b)
Eukaryote
51.

Match the following

a)
1.

Plant Cell

b)
2.

Bacteria Cell

c)
3.

Animal Cell

d)

* All cells have

4.

* DNA, Cytoplasm, Ribosomes

e)

* Smaller simple cells no nucleus

5.

* Prokaryote

52.
This is a picture of:
a)
Prokaryote
b)
Eukaryote
53.
What does "polar" mean?
a)
A molecule is cold
b)
A molecule has ionic bonds
c)
A molecule has covalent bonds
d)
A molecule has areas of positive and negative charge
54.
An enzyme speeds up a reaction by
a)
lowering the activation energy.
b)
raising the activation energy.
c)
releasing energy.
d)
absorbing energy.
55.

Why has this enzyme activity decreased so much?

a)

The enzyme has become saturated

b)

The temperature is too low

c)

The enzyme has become denatured