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H Bio Semester 1

Total questions: 90

Worksheet time: 57mins

Name
Class
Date
1.

OXYGEN released during photosynthesis comes from breaking down WHAT MOLECULE during the light dependent reaction?

a)

carbon dioxide

b)

water

c)

glucose

d)

ATP

2.

In Cellular Respiration, cells use energy available in food to create what energy-rich compound?

a)

ATP

b)

ADP

c)

glucose

d)

water

3.

Carbon used in the Calvin Cycle comes from what molecule from the atmosphere?

a)

Oxygen

b)

Methane

c)

Carbon Dioxide

d)

Water

4.

Fermentation is an anaerobic process for releasing energy from glucose. Anaerobic means it takes place in:

a)

An oxygen-rich environment.

b)

an environment devoid of light

c)

an environment devoid of oxygen

5.

What is the primary goal of Photosynthesis?

a)

To produce energy in the form of light

b)

to produce oxygen

c)

to produce chloroplasts

d)

to produce glucose for the plant

6.

Which of the following would most affect the rate of photosynthesis?

a)

Amount of carbon dioxide in the atmosphere

b)

amount of water in the soil

c)

amount of sunlight

d)

All of the above

7.

In cellular respiration, the first step in releasing the energy of glucose in the cell is known as:

a)

electron transport

b)

glycolysis

c)

the Krebs Cycle

d)

the Calvin Cycle

8.

The process that releases energy from food in the presence of oxygen is:

a)

fermentation

b)

photosynthesis

c)

cellular respiration

d)

synthesis

9.

The process that produces glucose using sunlight, water and carbon dioxide is:

a)

cellular respiration

b)

Krebs Cycle

c)

Osmosis

d)

Photosynthesis

10.

The light dependent portion of photosynthesis takes place in what part of the chloroplast?

a)

mitochondria

b)

cytoplasm

c)

thylakoids

d)

stroma

11.

In what organelle does cellular respiration take place?

a)

mitochondria

b)

chromosomes

c)

lysosomes

d)

nucleus

12.

What are the correct steps, in order, of cellular respiration?

a)

Light Dependent Reaction, Calvin Cycle, Dark Reaction

b)

Glycolysis, Krebs Cycle, Electron Transport Chain

c)

Photosynthesis, Glucose, Respiration

d)

Krebs Cycle, Glycolysis, Electron Transport Chain

13.
What is the longest stage of the cell cycle called?
a)
Cytokinesis
b)
M phase
c)
Interphase
d)
G1 Phase
14.

During Anaphase the sister chromatids pulled apart toward the poles. What happens to the centromeres?

a)

they spilt

b)

they are doubled

c)

they stay the same

d)

they disappear

15.
Put the following stages of mitosis in order: anaphase, prophase, metaphase, and telophase. 
a)
prophase, metaphase, telophase, anaphase
b)
prophase, anaphase, metaphase, telophase
c)
prophase, metaphase, anaphase, telophase
d)
prophase, telophase, metaphase, anaphase
16.

A plant cell does not go through cytokinesis the same way as animal cells do. What is created between the splitting nuclei in daughter cells?

a)

cell plate

b)

cell wall

c)

cell door

d)

cell membrane

17.
a)

Anaphase

b)

Cytokinesis

c)

Telophase

d)

Metaphase

18.
a)

Cytokinesis

b)

Interphase

c)

Anaphase

d)

Metaphase

19.
a)
Cytokinesis
b)
Anaphase
c)
Telophase
d)
Prophase
20.
Fruit fly body cells have 8 chromosomes. After mitosis, you would expect a resulting fruit fly daughter cell to have -
a)
16 chromosomes.
b)
46 chromosomes.
c)
8 chromosomes.
d)
4 chromosomes.
21.
Which is not a part of cell theory?
a)
All organisms are made of cells
b)
All existing cells come from preexisting cells
c)
All matter is composed of living cells
d)
The cell is the most basic unit of life
22.
Which organelle is the protein factory? 
a)
Ribosomes
b)

Mitochondria

c)
Centriole
d)
Lysosomes
23.
Microscopic single-cells that do not have a nucleus or other membrane-bound organelles. 
a)
DNA
b)
RNA
c)
Eukaryotes
d)
Prokaryotes
24.
Genetic information is stored in the nucleus of all single or multicellular cells called
a)
Eukaryotes
b)
Prokaryotes
c)
Organelles
d)
Cytoplasm
25.

Chloroplasts in plant cells are where photosynthesis takes place. In which part of plant would you see an abundance of chloroplasts in the cells?

a)

Leaf

b)

Stem

c)

Root

d)

Flower

26.

Who is known as the "Father of Microscopy"?

a)

Hooke

b)

Pasteur

c)

van Leuwenhoek

d)

Schwann

27.

Which organelle is responsible for packaging materials to leave the cell?

a)

ER

b)

Cell Membrane

c)

Lysosome

d)

Golgi Apparatus

28.

Centrioles which help in cell division are found in:

a)

animal cells

b)

plant cells

c)

bacteria cells

d)

plant and animal cells

29.

Which organelle makes the proteins in a cell?

a)

lysosomes

b)

vacoules

c)

ER

d)

Ribosomes

30.

Which organelle is responsible for transporting material around within the cell?

a)

Rough ER

b)

Smooth ER

c)

Vacuoles

d)

Mitochondria

31.

Which organelle is selectively permeable and controls what enters and leaves the cell?

a)

Cell wall

b)

cell membrane

c)

golgi apparatus

d)

lysosomes

32.

Which of the following correctly shows the organization of cells within an organism?

a)

cells- organ- organ system- tissues- organism

b)

cells- organ systems- tissues- organ- organism

c)

cells- tissues- organ- organ system- organism

d)

cells- tissues- organ system- organ- organism

33.

What is the key role (function) of carbohydrates?

a)

protection

b)

immunity, muscles, structure for tissues, cell metabolism

c)

instant energy for cells and body functions

d)

genetic information (heredity)

34.

The monomer for carbohydrates is a monosaccharide.

a)

True

b)

False

35.

What elements (monomers) make up a protein?

a)

C, H, O

b)

C, H, O, N

c)

C, H, O, N, P

36.

What is the smallest unit of a macromolecule?

a)

micromolecule

b)

glucose

c)

monomer

d)

polymer

37.

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

a)

instant energy for the cell/body

b)

hormones, structure, protection, enzymes, energy storage, antibodies

c)

growth, repair

d)

store and transmit genetic information/heredity

38.

Identify the monosaccharide:

a)
b)
c)
39.

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

40.

The monomer for a protein is:

a)

amino acid

b)

fatty acid

c)

monosaccharide

d)

nucleotide

41.

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

42.

An enzyme is a proteins that acts like a _________________ to speed up processes

a)

catalyst

b)

agent

c)

reactant

d)

complex

43.

Two things can cause an enzyme not to work properly. they are:

a)

temperature, density

b)

density, pH

c)

pH, polar

d)

pH, temperature

44.

The pH of water is

a)

under 7

b)

around 7

c)

8-14

45.
Who is credited for discovering the shape of DNA?
a)
James Lebron and Francis Oneill
b)
James Watson and Francis Crick
c)
Henry Ford
d)
Rosalind Franklin
46.
What 3 things make up a nucleotide?
a)
Sugar, Phosphate, Nitrogen Base
b)
Sugar, Hydrogen, Carbon
c)
Carbon, Phosphate, Nitrogen
d)
mRNA, tRNA and rRNA
47.
How many base pairs would be needed to chain together 3 amino acids?
a)
3
b)
6
c)
9
d)
12
48.
What is assembled during transcription?
a)
transfer RNA
b)
messenger RNA
c)
DNA replication
d)
court proceedings
49.
What is made during translation?
a)
transfer RNA
b)
messenger RNA
c)
Proteins
d)
Spanish Rice
50.
What makes DNA different from RNA?
a)
they type of phosphate
b)
the type of sugar
c)
having C pair with G
d)
Having A's
51.
Why do we need proteins?
a)
To taste good
b)
Everything is made of or by them
c)
Do digest our food
d)
to make pizza
52.

What enzyme is used to unzip the DNA molecule during replication?

a)

DNA Helicase

b)

DNA Polymerase

c)

DNA Geneticase

53.

What mRNA would be coded for by the DNA AAA ATA GGG?

a)

AAA UAU CCC

b)

UUU UAU CCC

c)

TTT TAT CCC

54.

How is a mutation caused?

a)

changing the tRNA

b)

an error in sequencing

c)

cancer

55.
Which of the following is the process of reading mRNA code to produce a protein?
a)
replication
b)
translation
c)
transcription
56.
What causes genetic variation in meiosis?
a)
chromosomes lining up
b)
crossing over of chromosomes
c)
separation of chromosomes
d)
chromosomes pulling apart
57.
What kind of cells are made in MEIOSIS?
a)
Haploid cells
b)
Diploid Cells
c)
Skin Cells
d)
Liver Cells
58.
Diploid Cells are represented by
a)
2n
b)
n
c)
4n
d)
1/2 n
59.
The process of crossing over occurs in what phase of meiosis?
a)
anaphase 1
b)
prophase 1
c)
prophase 2
d)
telophase 1
60.
The chromosomes that pair up during meiosis, are called __________ chromosomes.  
a)
homozygous 
b)
asexual
c)
homologous
d)
genes
61.
When homologous chromosomes match up, they form a structure call a ___________.
a)
tetrad (pair of chromosomes, one from mom and one from dad)
b)
triad
c)
diploid
d)
quad (group of 4 replicated chromosomes, 2 from mom and 2 from dad)
62.
Crossing over creates
a)
male genotype
b)
genetic variation (differences)
c)
DNA replication
d)
mitosis
63.
What phase is represented?
a)
metaphase 1
b)
metaphase 2
c)
anaphase 1
d)
anaphase 2
64.
A human zygote should have _____ chromosomes inside.
a)
46
b)
23
c)
92
d)
64
65.
Meiosis makes sperm and egg cells. In humans, sperm and egg cells each have _____ chromosomes. Therefore a fertilized human egg cell (sperm and egg cell combined) would create a cell with _____ chromosomes.
a)
23, 46
b)
46, 23
c)
2, 4
d)
50, 100
66.
How many daughter cells does Meiosis create?
a)
2
b)
4
c)
8
d)
1
67.
What type of solution allows water to enter the plant cell?
a)
hypotonic solution
b)
hypertonic solution
c)
isotonic solution
d)
active transport
68.
What type of solution is this cell in?
a)
Isotonic
b)
Hypertonic
c)
Hypotonic
d)
diffused
69.

In an isotonic solution which way will the water flow

a)

it will not flow at all

b)

it will flow into the cell

c)

it will flow both ways at equal rates

d)

out of the cell

70.

Which Type of solution is the middle cell placed in?

a)

Hypertonic

b)

Hypotonic

c)

Isotonic

d)

Robotonic

71.

What would happen to a cell placed in a hypertonic solution

a)

The cell would shrink

b)

The cell would expand and possibly burst

c)

The cell would remain the same

d)

The cell would dance and do the Nay Nay!

72.

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.

b)

Water will enter the cell, and the cell will expand.

73.

The concentration of red molecules outside the cell is higher than the concentration inside the cell. The red molecules cannot penetrate the cell. The cell is inside a ______.

a)

hypotonic solution

b)

hypertonic solution

74.
Which cell is in a hypotonic environment?
a)
A
b)
B
c)
C
75.

the Na K Pump usually pumps

a)

potassium ions out of the cell

b)

sodium ions into the cell

c)

potassium ions into the cell

d)

sodium and potassium into the cell

76.

In a protein pump

a)

the protein changes shape to move molecules

b)

pumps water with the concentration gradient

c)

no energy is required

d)

the process is passive

77.

The proton pump enables ________ into the cell.

a)

sodium

b)

hydrogen

c)

potassium

d)

water

78.

What cell organelles are involved in endocytosis and exocytosis?

a)

golgi apparatus and vacuoles

b)

golgi apparatus and vesicles

c)

cell membrane and vacuoles

d)

vesicles and vacuoles

79.

Proteins that serve a tunnels for specific substances through the lipid bilayer are

a)

cell surface markers

b)

enzymes

c)

receptor proteins

d)

channel proteins

80.

An animal cell prefers what type of solution?

a)

hypertonic

b)

isotonic

c)

hypotonic

d)

classic

81.

Which of the following does not require energy by the cell?

a)

facilitated diffusion

b)

endocytosis

c)

active transport

d)

Na-K Pump

82.

What two biomolecules make up the cell membrane?

a)

lipids and proteins

b)

lipids and carbohydrates

c)

carbohydrates and nucleic acids

d)

carbohydrates and lipids

83.

Pinocytosis is the movement of what into the cell?

a)

single celled organisms

b)

large biomolecules

c)

fluid and small molecules

d)

potassium

84.

Molecules that stick to the same type of molecules.

a)

cohesion

b)

adhesion

c)

hydrophilic

d)

hydrophobic

85.

Which of the following makes up a molecule of water?

a)

one atom of oxygen, two atoms of hydrogen

b)

one atom of hydrogen, two atoms of oxygen

c)

one atom of chlorine, one atom of sodium

d)

one atom of hydrogen, one atom of oxygen

86.

Ice floats on water because

a)

adhesion

b)

cohesion

c)

water expands when it freezes

d)

water shrinks when it freezes

87.

When salt is dissolved in water, water is the

a)

solvent

b)

solute

c)

solution

d)

reactant

88.

All organic compounds contain _________.

a)

Carbon

b)

Hydrogen

c)

Nitrogen

d)

Phosphorus

89.

The ____________ in a chemical formula are located to the left of the yields arrow.

a)

Reactants

b)

Chemicals

c)

Products

d)

Molecules

90.

For a molecule to be considered a compound it must contain________________?

a)

More than one atom of an element

b)

More than two atoms of an element

c)

More than two different elements

d)

More than two different type of bonds

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