Free Printable Biology Midterm

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Worksheets

Biology Midterm

Total questions: 100

Worksheet time: 2hrs 22mins

Name

Class

Date

1.

If I ride my bike to school instead of walking, then I will get to school faster. What is the dependent variable?

a)

True

b)

How fast you get to school

c)

Riding a bike or walking

d)

False

2.

This variable in an experiment is the one being deliberately changed by the scientist.

a)

dependent variable

b)

independent variable

c)

data

d)

control group

3.

A series of steps used by scientists to solve a problem or answer a question.

a)

scientific method

b)

recipe

c)

data collection

d)

metric system

4.

Unicellular organisms that lack a nucleus and other cellular organelles are known as...

a)

Prokaryote

b)

Eukaryote

c)

Heterotroph

d)

Autotroph

5.

Which is NOT a characteristic of Living Things?

a)

Made of cells

b)

Can Move

c)

Reproduces

d)

Grows and develops

6.

All living organisms are made up of ____.

a)

Cells

b)

Bacteria

c)

Organs

d)

Tissue

7.

Any living thing is called a _____________.

a)

organism

b)

cell

c)

matter

d)

atom

8.

Biology is the study of...

a)

living things

b)

gravity

c)

chemical reactions

d)

social relationships

9.

Bacteria is an example of a(n) ______ organism.

a)

unicellular

b)

multicellular

c)

nonliving

d)

mammal

10.

A rock would be considered ________.

a)

unicellular

b)

multicelluar

c)

nonliving

d)

living

11.

Which of the following contains DNA surrounded by a nuclear envelope?

a)

Eukaryotic

b)

Prokaryotic

12.

Which of the following contains membrane-bound organelles?

a)

Eukaryotic

b)

Prokaryotic

13.

Which of the following contains ribosomes, a cell wall, and a cell membrane?

a)

Eukaryotic

b)

Prokaryotic

c)

Both

14.

Which of the following contains mitochondria, ER, and Golgi bodies?

a)

Eukaryotic

b)

Prokaryotic

15.

Which of the following are always unicellular?

a)

Eukaryotic

b)

Prokaryotic

16.

What is the function of the cell wall in a plant cell?

a)

To control what goes in and out of the cell

b)

To give the cell its rigid shape and its structure

c)

To store water and nutrients

d)

To make energy for the cell

17.

What is the function of the cell membrane in both plant and animal cells?

a)

To control what goes in and out of the cell

b)

To give the cell its shape and keep it sturdy

c)

To store water and nutrients

d)

To make energy for the cell

18.

What is the function of the nucleus in both plant and animal cells?

a)

To control what goes in and out of the cell

b)

To give the cell its shape and keep it sturdy

c)

To hold the cell's instructions (DNA)

d)

To provide energy for the cell

19.

What is the function of ribosomes?

a)

To control what goes in and out of the cell

b)

To help move things around the cell

c)

To synthesize proteins

d)

To get rid of waste and junk

20.

What is the function of the Golgi apparatus?

a)

To control what goes in and out of the cell

b)

To help move things around the cell

c)

To package and send things where they're needed

d)

To get rid of waste and junk

21.

What is the function of lysosomes?

a)

To control what goes in and out of the cell

b)

To help move things around the cell

c)

To package and send things where they're needed

d)

To get rid of waste and junk

22.

What type of cell is this?

a)

plant cell

b)

animal cell

23.

What type of cell is this?

a)

plant cell

b)

animal cell

24.

Identify letter "c".

a)

mitochondria

b)

lysosome

c)

nucleus

d)

cytoplasm

e)

cell membrane

25.

Identify letter "a".

a)

chloroplasts

b)

cell wall

c)

nucleus

d)

cytoplasm

e)

cell membrane

26.

Identify letter "d".

a)

chloroplasts

b)

cell wall

c)

mitochondria

d)

cytoplasm

e)

lysosome

27.

This organelle provides energy for the cell. Sugar is broken down here to form ATP.

a)

Chloroplast

b)

Mitochondria

c)

Cytoplasm

d)

Nucleus

28.

Which of the following is found in a plant cell but not in an animal cell?

a)

Chloroplast

b)

Cytoplasm

c)

Cell Membrane

d)

Nucleus

29.

Passive transport requires no

a)

concentration gradients

b)

osmosis

c)

motion

d)

energy

30.

This example of passive transport is the diffusion of water.

a)

osmosis

b)

concentration gradient

c)

isotonic

d)

facilitated diffusion

31.

This solution has the equal concentrations of water molecules and particles.

a)

hypertonic

b)

hypotonic

c)

isotonic

32.

The movement of molecules against a concentration gradient

a)

simple diffusion

b)

facilitated diffusion

c)

active transport

d)

osmosis

33.

This takes substances into a cell

a)

endocytosis

b)

exocytosis

c)

both

34.

In which solution will water move out of the cell resulting in the cell shriveling up?

a)

Hypertonic

b)

Isotonic

c)

Hypotonic

35.

an area with a large amount of particles is

a)

low concentration

b)

high concentration

c)

diffusion

d)

osmosis

36.

The movement of atoms, ions, or molecules (NOT WATER) from an area of high concentration to an area of low concentration.

a)

osmosis

b)

active transport

c)

diffusion

d)

hypertonic

37.

What does it mean that a cell membrane is semi-permeable?

a)

It allows all substances in

b)

It allows some substances in

c)

It allows nothing in

d)

It allows unhealthy substances in

38.

"water loving"

a)

Hydroloric

b)

Hydroelectric

c)

Hydrophilic

d)

Hydrophobic

39.

"water fearing"

a)

Hydroloric

b)

Hydroelectric

c)

Hydrophilic

d)

Hydrophobic

40.

Which of the following are embedded in the phospholipid bilayer and help substances pass through?

a)

cholesterol

b)

lipids

c)

proteins

d)

carbohydrates

41.

The function of the plasma membrane is....

a)

to regulate what enters and leaves the cell.

b)

fight bacteria and viruses that enter the cell.

c)

provide rigid support and protection to the cell.

d)

make sure each cell can move

42.

What does "bilayer" mean?

a)

one layer

b)

two layers

c)

laminated

d)

bilateral

43.

The jelly-like fluid inside a cell that holds organelles (moves in amoeba to project the pseudopod).

a)

Cilia

b)

Cytoplasm

c)

Euglena

44.

All protists contain this type of cell.

a)

Eukaryote

b)

Prokaryote

45.

All cells have a:

a)

Nucleus

b)

Plasma membrane

c)

Cell wall

d)

Buddy

46.

Diffusion & Facilitated Diffusion are both __________ transport.

a)

Passive

b)

Active

c)

Easy

d)

Free

47.

Active transport across a cell membrane from low to high concentration, requires

a)

energy (ATP)

b)

no energy

c)

water

d)

oxygen

48.

An example of pump transport is

a)

glucose transport

b)

osmosis

c)

Na⁺/K⁺ Pump

d)

CO₂ + O₂Transport

49.

A form of bulk transport in which materials are transported from the inside to the outside of the cell in membrane-bound vesicles that fuse with the plasma membrane.

a)

Endocytosis

b)

Exocytosis

c)

Osmosis

d)

Diffusion

50.

The protein factories are the _______. (Some of these live on the endoplasmic reticulum (ER))

a)

Mitochondria

b)

Nucleolus

c)

Smooth ER (endoplasmic reticulum)

d)

Ribosomes

51.

This organelle is found in plant cells only and is the site of photosynthesis.

a)

mitochondria

b)

chloroplast

c)

ribosome

d)

vacuole

52.

This double-membraned organelle is the site of cellular respiration (production of ATP).

a)

chloroplast

b)

mitochondria

c)

smooth endoplasmic reticulum

d)

rough endoplasmic reticulum

53.

Which 3 are Inputs for photosynthesis?

(Pick 3)

a)

Carbon Dioxide

b)

Oxygen

c)

Water

d)

Sugar

e)

Sunlight

54.

What do plants take in through their ROOTS to make food (or carry out photosynthesis)?

a)

Carbon Dioxide

b)

Water

c)

Light

55.

What are the products of photosynthesis?

a)

Oxygen and Energy

b)

Carbon Dioxide and Glucose

c)

Glucose and Oxygen

d)

Oxygen and Water

56.

What are the three stages of cellular respiration?

a)

1- glycolysis

2- cellular respiration

3- fermentation

b)

1- glycolysis

2- krebs cycle

3- electron transport chain

c)

1- krebs cycle

2 - calvin cycle

3- electron transport chain

d)

1- electron transport chain

2- krebs cycle

3- glycolysis

57.

During glycolysis, glucose breaks into

a)

1 pyruvate

b)

2 pyruvates

c)

3 pyruvates

d)

2 NADH

58.

The process of glycolysis requires oxygen

a)

TRUE

b)

FALSE

59.

Which of the following are reactants of photosynthesis?

a)

water (H₂O) and glucose (C₆H₁₂O₆)

b)

glucose (C₆H₁₂O₆) and carbon dioxide (CO₂)

c)

carbon dioxide (CO₂) and water (H₂O)

d)

oxygen (O₂) and water (H₂O)

60.

Which of the following are products of photosynthesis?

a)

water (H₂O) and glucose (C₆H₁₂O₆)

b)

glucose (C₆H₁₂O₆) and carbon dioxide (CO₂)

c)

carbon dioxide (CO₂) and water (H₂O)

d)

oxygen (O₂) and glucose (C₆H₁₂O₆)

61.

Which of the following are products in the process of cellular respiration?

a)

carbon dioxide and oxygen

b)

carbon dioxide and water

c)

glucose and oxygen

d)

glucose and water

62.

What is the total number of ATP molecules formed from the breakdown of one glucose molecule during aerobic cellular respiration?

a)

2

b)

34

c)

38

d)

44

63.

Aerobic means __________ .

a)

"requires hydrogen"

b)

"needing electrons"

c)

"forming ATPs"

d)

"requires oxygen"

64.

Which of these word formulas for cellular respiration is correct?

a)

Glucose + Water --> Carbon dioxide + Oxygen + Energy

b)

Carbon dioxide + Water + Energy --> Glucose + Oxygen

c)

Energy + Water + Oxygen --> Glucose + Carbon dioxide

d)

Glucose + Oxygen --> Carbon dioxide + Water + Energy

65.

What is produced by lactobacillus acidophilus and some other bacteria to turn milk into yogurt?

a)

Ethanol

b)

Acetic Acid

c)

Propionic Acid

d)

Lactic Acid

66.

The reactants in photosynthesis are the same as the products of cellular respiration.

a)

True

b)

False

67.

How many fermentation types are there?

a)

2

b)

5

c)

3

d)

6

68.

What does NOT happen during interphase?

a)

growth

b)

DNA replication

c)

obtaining nutrients

d)

cell divison

69.

DNA is replicated during ______ of the cell cycle.

a)

Gap 1

b)

Synthesis (S phase)

c)

Gap 2

d)

Gap 0

70.

What is cytokinesis?

a)

This is when two cells merge together to make one giant cell.

b)

The stage where chromosomes migrate to the opposite ends of the cell.

c)

The stage of the cell cycle where the rest of the cell divides after mitosis is complete.

d)

The stage in which DNA condenses into chromosomes.

71.

What occurs during G1?

a)

Checkpoint after S phase

b)

Chromosomes line up at the equator.

c)

The cell grows and develops.

d)

Spindle fibers separate chromosomes to opposite poles of the cell.

72.

During mitosis, DNA is found in the condensed form called a

a)

chromosome

b)

centromere

c)

centriole

d)

chromatin

73.

In prophase of mitosis, chromosomes

a)

form and the nuclear envelope disappears.

b)

are pulled toward opposite ends of the cell.

c)

chromosomes line up along the equator of the cell

d)

chromosomes begin to decondense and the two new nuclei begin to form.

74.

In metaphase of mitosis, chromosomes

a)

form and the nuclear envelope disappears.

b)

are pulled toward opposite ends of the cell.

c)

chromosomes line up along the equator of the cell

d)

chromosomes begin to decondense and the two new nuclei begin to form.

75.

In anaphase of mitosis, chromosomes

a)

form and the nuclear envelope disappears.

b)

are pulled toward opposite ends of the cell.

c)

chromosomes line up along the equator of the cell

d)

chromosomes begin to decondense and the two new nuclei begin to form.

76.

produces 2 daughter cells

a)

mitosis

b)

meiosis

c)

both

77.

Has 8 stages and divides twice.

a)

mitosis

b)

meiosis

c)

both

78.

Daughter cells are identical to parent cell.

a)

mitosis

b)

meiosis

c)

both

79.

Chromosome number is halved in daughter cells.

a)

meiosis

b)

Mitosis

c)

both

80.

Reorder the phases of mitosis

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

1)

2)

3)

4)

81.

The process of crossing over occurs in what phase of meiosis?

a)

anaphase 1

b)

prophase 1

c)

prophase 2

d)

telophase 1

82.

Which event is an important factor in increasing variety among sexually reproducing organisms?

a)

crossing over

b)

gene linkage

c)

testcross

d)

mitosis

83.

Which organelle is the location where protein is made?

a)

Ribosome

b)

Nucleus

c)

Cytoplasm

d)

Nucleotide

84.

When these bond together, they form a protein

a)

Amino Acids

b)

Peptide Bonds

c)

Ribose

d)

Nucleotides

85.

mRNA occurs during this process

a)

Translation

b)

Transcription

c)

Replication

d)

Delivery

86.

Which of the following is the complementary mRNA sequence to this DNA strand: AACTGAA

a)

UUGACUU

b)

TTGACTT

c)

AACTGAA

d)

AACUGAA

87.

What is the term for a three-nucleotide sequence that codes for an amino acid?

a)

base

b)

codon

c)

amine

d)

serine

88.

The process to go from mRNA to a protein is called ____

a)

transcription

b)

rRNA

c)

replication

d)

translation

89.

Genetic info flows in one direction. Which best represents this flow?

a)

DNA-protein-RNA

b)

Protein-RNA-DNA

c)

RNA-protein-DNA

d)

DNA-RNA-protein

90.

What brings the amino acids to the ribosome to assemble a protein?

a)

mRNA

b)

tRNA

c)

rRNA

d)

DNA

91.

A HETEROZYGOUS individual would have the genotype:

a)

Hh

b)

hh

c)

HH

d)

Hi

92.

In humans, blue eyes are a recessive trait. What genotype would a blue eyed child have?

a)

BB

b)

Bb

c)

bb

d)

None of the above, brown eyes are dominant.

93.

In pea plants, tall (T) plant alleles are dominant to short (t) plant alleles. If two tall plants (each with the genotype Tt) are crossed, what is the probability that the cross would result in a short pea plant?

a)

25%

b)

50%

c)

75%

d)

100%

94.

What do we call the result of the genotype (for example, the color of the peas)?

a)

Visible traits

b)

Physiotrait

c)

Genotype 2

d)

Phenotype

95.

If green is dominant over purple, then what is the genotype for this individual?

a)

Purple

b)

Green

c)

GG

d)

gg

96.

which of the following terms refers to the order in which amino acids are linked together in a protein.

a)

Primary

b)

Secondary

c)

Tertiary

d)

Quaternary

97.

What does a catalyst do?

a)

slows down a chemical reaction

b)

speeds up a chemical reaction

c)

stops a chemical reaction

d)

starts a chemical reaction

98.

Jaleah is studying genetics and she comes across a DNA sequence: G A T A T C C A. She wants to find the complementary DNA strand for this sequence. Which of the following could be the correct complementary DNA strand?

a)

G A T A T C C A

b)

T G G A T A T C

c)

C T A T A G G T

d)

C U A U A G G U

99.

Da'Zaria is studying the DNA strand of a particular organism in her biology class. The DNA strand has the following sequence: A A C G T A A C G. Kelvin, her lab partner, asks what would be the result if this sequence is transcribed from DNA to RNA. Can you help them?

a)

T T G C A T T G C

b)

C C A T G C C A T

c)

U U G C A U U G C

d)

U U G C U U U C G

100.

The two types of secondary structures are

a)

Alpha Pleated Sheet, Beta Helix

b)

Alpha Helix, Beta Pleated Sheet

c)

Polypeptide, Globular Protein

d)

Fibrous, Globular

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