Biology Test Questions + Answers (Not Done)

Which of the following diagrams correctly shows the reaction pathway of an endergonic reaction

(Reactants starts low, rises, then falls to the products which are still above where the reactants started) Reactants: Co2 and H2O Products: glucose

Underline the reactants and circle the products in the chemical reaction below.

(Reactants) C3H8 + 02 -> H2O +Co2 (Products)

You and your friend are hiking in Oak Mountain State Park when you observe the object at the front of the room (mushroom). Your friend, knowing that you are taking biology, asks you if the object is living. In the space below, give your response to your friend. Be sure to include and describe at least 5 characteristics that would justify your claim. (Use scientific vocabulary)

- All living things have cells - Mushrooms are multicellular - All living things main homeostasis - Maintain stable internal conditions - All living things grow and develop - Cells divide and differentiate - All living things reproduce - Asexual reproduction - All living things react to their surroundings - React to a stimulus, or change in surrounding

A solution with a pH of 8 has how many times fewer hydrogen ions than a solution with a pH of 6

100

An 8% solution of KCl would contain:

8 grams of KCl dissolved in 100 mls of water

The word theory used in a scientific sense means:

A highly tested, generally accepted principle

An inference is:

A logical interpretation of an observation

Science is best described as:

A way of knowing

Carbon is different form many other elements in that

All the above: a.) it has four valence electrons b.) it readily forms bonds with other carbon atoms c.) it can form single, double, or triple bonds with other atoms

Dolly was cloned from the mammary cells from an adult female sheep. She was an exact genetic copy of her mother. Was Dolly a product of asexual or sexual reproduction? Support your claim.

Asexual Reproduction, because sexual reproduction involves two parents and their combined DNA, asexual reproduction is an exact genetic copy of one parent

The diagram below shows the dissociation of a(n) (Na+ OH- -> Na+ plus OH-)

Base

The work of scientists begins with:

Careful observation

Development occurs by:

Cell division and cell differentiation

To observe a small living organism, a scientist might use a(n):

Compound Light Microscope

Sara and Michael tested electromagnets to see the effect of wire size on the strength of the magnet. They selected 4 steel nails of the same size to make the magnets. Using different sizes of insulated wire, they put 50 turns around each nail. Then each nail was hooked up to a 2 D batteries to make electromagnets. The strength of each magnet was tested by finding the mass of iron fillings which could be picked up by the magnet. Condition 1 - (Size: 0) (Mass of Fillings: 0) Condition 2 - (Size 1.5) (Mass of Fillings: 2.3) Condition 3 - (Size 3.0) (Mass of Fillings: 4.1) Condition 4 - (Size: 6.0) (Mass of Fillings: 6.2) In the Above experiment, which condition is the control:

Condition 1

The figure (family tree) above shows that tree finches and ground finches are descended from and common ancestor. The example Represents which theme in biology?

Evolution

molecule that contains a carboxyl group (diagram)

H O I = H-C-C I \ H OH

example of a molecular compound

H20

About 12 to 24 hours after the last meal, a person's blood sugar level normally varies from 60 to 90 milligrams per 100 milliliters of blood, although it may rise to 130mg/100ml after meals high in carbohydrates. That the blood sugar level is maintained within a fairly narrow range despite uneven intake of sugar is due to the body's ability to carry out:

Homeostasis

Biology is the study of:

Life

Sara and Michael tested electromagnets to see the effect of wire size on the strength of the magnet. They selected 4 steel nails of the same size to make the magnets. Using different sizes of insulated wire, they put 50 turns around each nail. Then each nail was hooked up to a 2 D batteries to make electromagnets. The strength of each magnet was tested by finding the mass of iron fillings which could be picked up by the magnet. Condition 1 - (Size: 0) (Mass of Fillings: 0) Condition 2 - (Size 1.5) (Mass of Fillings: 2.3) Condition 3 - (Size 3.0) (Mass of Fillings: 4.1) Condition 4 - (Size: 6.0) (Mass of Fillings: 6.2) What is the dependent variable in the scenario above:

Mass of Iron

Be Able to draw a Bohr Model

N/A

How can you tell is a molecule is saturated?

No carbon - carbon double bonds

Organisms require _____ and _____ to maintain themselves, grow, and reproduce.

Nutrients;Energy

mole that contains a functional group that is involved in energy transfer

O = C O / \ = H3C O - P - O I O

Compare to (31)P, the radioisotope (32)P has:

One more Neutron

What kind of ion forms when an atom loses an electron?

Positive

Example of an ionic compound

Salt (NaCl)

Sara and Michael tested electromagnets to see the effect of wire size on the strength of the magnet. They selected 4 steel nails of the same size to make the magnets. Using different sizes of insulated wire, they put 50 turns around each nail. Then each nail was hooked up to a 2 D batteries to make electromagnets. The strength of each magnet was tested by finding the mass of iron fillings which could be picked up by the magnet. Condition 1 - (Size: 0) (Mass of Fillings: 0) Condition 2 - (Size 1.5) (Mass of Fillings: 2.3) Condition 3 - (Size 3.0) (Mass of Fillings: 4.1) Condition 4 - (Size: 6.0) (Mass of Fillings: 6.2) Name three constants in the above experiment:

Same Nails, Same Amount of Turns Around Nail, Same 2 D batteries

A ______________ _______________ microscope passes a beam of electrons over a specimen's outer surface. (no acronyms)

Scanning Electron

Sara and Michael tested electromagnets to see the effect of wire size on the strength of the magnet. They selected 4 steel nails of the same size to make the magnets. Using different sizes of insulated wire, they put 50 turns around each nail. Then each nail was hooked up to a 2 D batteries to make electromagnets. The strength of each magnet was tested by finding the mass of iron fillings which could be picked up by the magnet. Condition 1 - (Size: 0) (Mass of Fillings: 0) Condition 2 - (Size 1.5) (Mass of Fillings: 2.3) Condition 3 - (Size 3.0) (Mass of Fillings: 4.1) Condition 4 - (Size: 6.0) (Mass of Fillings: 6.2) What is the independent variable in the scenario above:

Size of Wire

Give an Example of a biological acid

Stomach acid

You have been injured in the laboratory (cut,burn, etc.). First you Should:

Tell the teacher at once

To put out fire in a person's hair or clothes, use

The fire blanket

Which orientation below is the most likely for two adjacent water molecules (Choose Image) Then Explain

The hydrogen will only bond to the oxygen because water is polar and bonds with the oppositely charged particle

The way in which elements bond to form compounds depends on which of the following?

The number and arrangement of electrons in the atoms of the elements

In a multicellular organisms, cells are organized into:

Tissues

A _________________ _______________ microscope passes a beam of electrons through a thin slice of the specimen. (no acronyms)

Transmission Electron

The presence of viruses inside a cell can be best seen using a

Transmission Electron Microscope

When you finish working with chemicals, biological specimens, and other lab substances, always:

Wash your hands with soap and water

During a controlled experiment, a scientist isolates and tests

a single variable

A response is an organism's reaction to

a stimulus

A butterfly is ________________. Choose all that apply.

a.) an organism d.) multicellular f.) heterotroph

The property of water that causes water molecules to form hydrogen bonds with other polar molecules is called

adhesion

Which of the following is NOT true about organic compounds

always contain carbon, hydrogen, oxygen, and nitrogen

Who reviews articles for peer-reviewed journals?

anonymous and independent experts

Organisms that make their own food through photosynthesis are called:

autotrophs

Indentify the kingdom(s) below that belong to Domain Eukarya.

c.) Protista d.) Plantae e.) Animilia

The smallest units that can carry on all the functions of life are called:

cells

The function of the diaphragm in a compound light microscope is to:

control the amount of light going through the specimen

The bond that forms between the atoms of glucose

covalent

The strongest type of bond

covalent

the bond that holds the sugars and phosphates together on the outside of the DNA ladder

covalent

the bond that is formed when by the sharing of valence electrons

covalent

a high energy, negatively charged subatomic particle that orbits the nucleus

electron

Substances that cannot be broken down chemically into simpler types of matter

element

the bond type that holds two molecules of water together

hydrogen

The breakdown of polypeptides into amino acids occurs through a process called:

hydrolysis

The American researchers Martha Chase and Alfred Hershey wanted to determine whether it was DNA or protein that was the hereditary material for life. Based on their observations and research, they suggested that DNA was the causative agent for heredity. This suggestion was a:

hypothesis

An atom or molecule with an electrical charge

ion

the bond that breaks when salt dissolves in water

ionic

the bond that is formed when atoms are attracted to each other due to opposite charges

ionic

Ecology:

is the study of the relationship between an organism and its environment

The resolution of a microscope refers to:

its ability to show detail clearly

Acidic solutions have a pH that is:

less than 7

The measure of the amount of matter in an object

mass

The chemical process in the living cell are collectively called:

metabolism

Neutrally charged subatomic particle

neutron

A scientist noticed that in acidic pond water some salamanders developed with curved spines. This was a(n):

observation

The principal point of Charles Darwin's Theory of Evolution was that:

organisms with adaptions that better fit their environment will more likely survive to pass the adaption on to their offspring

A molecule that has a partial negative charge on one side and a partial positive charge on the other side is called a(n):

polar molecule

The four main categories of macromolecules in a cell are called

proteins, nucleic acids, carbohydrates, and lipids

Positively charged sub-atomic particle

proton

What is the solute in a salt water solution

salt

A heterogeneous mixture that settles out with time is called a _____________ and a biological example is ____________

suspension, blood

To be useful in science, a hypothesis must be:

testable

In a controlled experiment, the factor that is observed or measured is:

the dependent variable

Variations in the properties of different organic molecules are most closely associated with:

the type of functional groups they contain

Suppose that a scientific idea is well-tested and can be used to make predictions in numerous new situations, but cannot explain one particular event. This idea is a

theory that may need revision

Force produced by gravity acting on mass

weight

Explain why water has a high specific heat

when heat is added to water hydrogen bonds take a long time to break apart