ITB_1st Semester Exam Practice

The information in these slides are questions similar to what we have covered during the course of this semester and will be covered on your Semester Exam.

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Practicing for 1st Semester Exam

Characteristics of Life

Remember there are 8 characteristics that help determine the presence or absence of life.

1.Cellular Organization 2. Metabolism

3. Growth and Development 4. Reproduction

5. Homeostasis 6. Response to Stimuli

7.Adaptation to Evolution 8.Heredity

Multiple Choice

A _____ is something in the environment that causes an organism to respond.

• stimulus

• response

• cause

• effect

Multiple Choice

Which of these is not true about all organisms?

• all living things have many cells

• all living things need water

• all living things respond to stimuli

• all living things reproduce

Multiple Choice

When a baby kitten becomes an adult cat, this is an example of...

• energy metabolism

• growth and development

• response to stimuli

• having cells

Multiple Choice

Your body shivers when you are cold. This is because of the concept of...

• homeostasis

• heredity

• energy metabolism

• cellular organization

Multiple Choice

Living things are made up of units called

• DNA

• Cells

• Homeostasis

• Seeds

Multiple Choice

If an organism is made entirely of one cell it is called...

• Multicellular

• Prokaryotic

• Unicellular

• Eukaryotic

Multiple Choice

Living things are based on a universal genetic

code. What molecule is responsible for that code?

• RNA

• Lipid

• Protein

• DNA

Multiple Choice

The combination of chemical reactions through

which an organism builds up or breaks down

materials as it carries out its life processes is called ...

• absorption

• metabolism

• digestion

• consumption

Multiple Choice

Maintaining a stable internal

environment is called

• homeostasis

• equilibrium

• balance

• evenness

The Cell and Its History

​Cell are grouped based on the presence or absence of structures

Multiple Choice

Which type of cell has no nucleus?

• Eukaryote

• Prokaryote

• Animal

• Plant

Multiple Choice

Are prokaryotes multicellular or unicellular? 

• Multicellular

• Unicellular

Multiple Choice

Which type of cell?

• Prokaryote

• Eukaryote

• Mixed

Multiple Choice

Has cytoplasm

• Prokaryote

• Eukaryote

• both

• yes

Multiple Choice

Has ribosomes

• Prokaryote

• Eukaryote

• both

• nihn

Multiple Choice

Plants and animal cells are examples of ___ cells 

• prokaryotic cells 

• eukaryotic cells 

Multiple Choice

The control center of the cell; contains DNA

• mitochondria

• nucleus

• ribosomes

• ER

• Golgi Bodies

Multiple Choice

Where cellular respiration takes place to make energy for the cell

• nucleus

• mitochondria

• Golgi Bodies

• ER

• lysosomes

Multiple Choice

Captures energy from the sun to make food in a plant cell

• lysosomes

• vacuoles

• Golgi bodies

• ribosomes

• Chloroplasts

Multiple Choice

Transports materials throughout the cell, like a winding road

• Golgi Bodies

• cell membrane

• ER

• ribosomes

• cytoskeleton

Multiple Choice

Stores materials in the cell like a closet

• vacuoles

• lysosomes

• Golgi bodies

• ribosomes

• mitochondria

Multiple Choice

Produces proteins for the cell

• ribosomes

• lysosomes

• vacuoles

• mitochondria

• chloroplasts

Multiple Choice

Helps remove wastes and damaged cell parts

• vacuoles

• chloroplasts

• ribosomes

• mitochondria

• lysosomes

Multiple Choice

Which statement was NOT included in cell theory?

• All living things are composed of cells.

• Living cells come only from other living cells.

• Each cell contains a cell membrane, cytoplasm, nucleus, mitochondria, and endoplasmic reticulum.

• Cells are the smallest structure of living things that can perform the functions necessary for life.

Multiple Choice

Which instrument is credited for helping scientists develop cell theory?

Multiple Choice

Who discovered and named cells while looking at cork?

• Captain Hook

• Robert Hooke

• Matthais Schleiden

• Rudolf Virchow

Multiple Choice

What was Schleiden convinced of?

• All plants are made of cells

• All animals are made of cells

• All cells are prokaryotic

• None of the above

Multiple Choice

Who discovered that all cells come from other living cells and had research that lead to the last major principle of cell theory?

• Matthias Schleiden

• Theodore Schwann

• Robert Hooke

• Rudolf Virchow

Cellular Transport

Multiple Choice

Which of the following is the BEST definition for passive transport?

• Movement of substances through a cell membrane from a high to low concentration without the use of energy

• Movement of substances through a cell membrane from a low to high concentration requiring the use of energy

• Movement of substances through a cell membrane from a low to high concentration without the use of energy

• Movement of substance through a cell membrane from a high to low concentration requiring the use of energy

Multiple Choice

_____________ occurs when a substance is too large to flow through a cell membrane and it uses a protein "door".

• Diffusion

• Osmosis

• Exocytosis

• Facilitated Diffusion

Multiple Choice

Select the correct definition for "Osmosis":

• A molecule is too large to pass through a cell membrane and therefore uses a transport protein

• The movement of substances from a low to high concentration; cell energy is used

• The movement of water from a high to low concentration through a selectively permeable membrane

• The movement of substances from a high to low concentration

Multiple Choice

Which of the following transport methods moves substances from a low to high concentration?

• Active Transport

• Facilitated Diffusion

• Osmosis

• Passive Transport

Multiple Choice

• Passive Transport

• Active Transport

Multiple Choice

The cell below is in a _________ solution.

• Hypotonic

• Hypertonic

• Isotonic

Multiple Choice

The cell below is in a _____________ solution.

• Hypertonic

• Hypotonic

• Isotonic

Multiple Choice

A cell in an isotonic solution will

• swell

• shrink

• stay the same size

• impossible to tell

Types of Reproduction

Multiple Choice

The diagram below represents events that occur during Sexual Reproduction. The stages labeled A, B, and C are necessary to ensure that the offspring will inherit

• half of their genetic material from each parent

• double the amount of genetic material from each parent

• double the amount of chromosomes from one parent

Multiple Choice

What are the two reasons for reproduction?

• Survival of the species AND passing on genetic material to offspring

• Survival of the species AND maintaining homeostasis

• Survival of individual organisms AND passing on genetic material to offspring

Multiple Choice

What is an advantage of Asexual Reproduction?

• Asexual reproduction is a slower type of reproduction

• Asexual reproduction can save energy and happen faster

• Asexual reproduction increases the risk of extinction

Multiple Choice

Which type of reproduction requires 2 parent cells combining to create a new cell (offspring)?

• sexual

• asexual

• both

Multiple Choice

Which of the following is an advantage to sexual reproduction?

• Rapid reproduction of a large amount of offspring

• More genetic mutations occur

• genetic variation

• offspring are identical to parents

Multiple Choice

Hydras use a type of asexual reproduction in which they grow genetically identical offspring on the side of their body. This is an example of what type of asexual reproduction?

• vegetative propogation

• cloning

• binary fision

• budding

Multiple Choice

Occurs when an animal's offspring grows from a piece of its parent.

• binary fission

• budding

• regeneration

• vegetative propagation

Multiple Choice

Sexual reproduction requires ______ parent(s) and asexual reproduction requires ______ parent(s).

• one, one

• two, two

• two, one

• one, two

Multiple Choice

What is the correct name for a sex cell?

• DNA

• Gamete

• Ovary

• Chromosomes

Multiple Choice

The correct sequence of mitosis:

• metaphase, anaphase, telophase, prophase

• prophase, metaphase, anaphase, telophase

• prophase, anaphase, metaphase, telophase

• telophase, metaphase, prophase, anaphase

Multiple Choice

During which cycle can you identify chromosomes

• G1 phase

• G2 phase

• S phase

• M phase

Multiple Choice

Identical halves of a chromosome are called?

• Cousins

• Chromatids

• Centromere

• Centrosome

Multiple Choice

Chromosomes are visible and spindle fibers start to appear

• prophase

• metaphase

• telophase

• anaphase

Multiple Choice

Sister Chromatids separate from each other

• prophase

• telophase

• anaphase

• metaphase

Multiple Choice

Chromosomes line along the center of the cell

• anaphase

• prophase

• metaphase

• telophase

Multiple Choice

There are 2 nucli in one cell

• telophase

• prophase

• anaphase

• metaphase

Multiple Choice

Having only one copy of each chromsome

• haploid

• diploid

• triploid

• octoploid

Multiple Choice

The division of the cytoplasm is called?

• anaphase

• mitosis

• cytokineses

• G0

Multiple Choice

Non dividing state of the cell cycle

• Interphase

• Mitosis

• Telophase

• Cytokinesis

Multiple Choice

Uncontrolled growth can result in:

• G0 phase

• S phase

• Replication

• Cancer

Multiple Choice

Responsible for making sure that the cell is ready to divide

• G1 checkpoint

• G2 checkpoint

• M checkpoint

• G0 checkpoint

Multiple Choice

Cells of organism must replicate for ?

• growth

• repair of damaged tissue

• replacement of dying cells.

• All of the above

Multiple Choice

Involves 1 cell division (PMAT once)

• Mitosis

• Meiosis

• Mitosis & Meiosis

Multiple Choice

Results in 2 identical daughter cells

• Mitosis

• Meiosis

• Mitosis & Meiosis

Multiple Choice

Daughter cells are genetically identical

• Mitosis

• Meiosis

• Mitosis & Meiosis

Multiple Choice

In humans, produces cells with 46 chromosomes

• Mitosis

• Meiosis

• Mitosis & Meiosis

Multiple Choice

This diagram represents:

• Mitosis

• Meiosis

• Mitosis & Meiosis

Multiple Choice

Results in 4 different (non-identical) daughter cells

• Mitosis

• Meiosis

• Mitosis & Meiosis

Multiple Choice

This diagram represents

• Mitosis

• Meiosis

• Mitosis & Meiosis