Which of the following statements are true when trying to limit the spread of disease? (3)

Cleaning surfaces with alcohol or bleach helps to kill viruses on those surfaces

Hand washing with soap helps us to kill viruses on our skin

Masks are worn to stop particles containing viruses from being put into the air.

Masks are worn to protect us from breathing in viruses

Maintaining a healthy immune system by diet and exercise will not help us fight disease

Which of the following is a life function that all cells must be able to maintain in order to survive? (3)

Moving from one place to another

Which allele will mask the other when it is present? (2)

The allele represented by a capital letter

The allele expressed 25% of the time

The allele represented by a lowercase letter

Which of the following statements are correct for alleles? (3)

We inherit one from our mom and one from our dad

It takes two alleles to represent a trait

They can be dominant or recessive

They are represented by lowercase letters when they are dominant

They are represented by a capital letter when recessive

Which of the following statements are true of dihybrid crosses? (3)

The parents alleles require factoring to determine their gametes

Four alleles will be placed in each box

Two alleles will be placed in each box

Which of the following statements are true regarding Mendelian genetics? (3)

It involves both dominant and recessive alleles

It uses Punnett squares to show how math can be applied to biology

It involves only single Gene traits

His pea plants showed codominance and incomplete dominance for certain traits

He knew it would apply to things like skin color, hair color, and human height

Which of the following is/are true about DNA? (3)

It is a double stranded helix in structure

The bases that make it up are A, T, C, and G

It contains deoxyribose and ribose sugars

Which of the following statements are true about nucleotides? (3)

It is the monomer that makes up DNA

They are made of a phosphate, sugar, and a nitrogen base

They are bound together by hydrogen bonds

They are purines and pyrimidines

Their sequence is always random

Which of the following are correct for DNA structure? (3)

Purines bind with pyrimidines to maintain parallel sides

Strands run antiparallel of each other

An alternating sequence of sugar and phosphate exists on the outer edges

A purine binds with other purines to maintain parallel sides

Strong covalent bonds hold the base pairs together

Humans are unique in that: (3)

We have the ability to change our environment

We are the major cause of the loss of biodiversity on Earth

We have the ability to influence evolution in organisms

We consume our resources at a rate in balance with what the environment can produce

When Earth's history is shown in a cosmological day, it shows we have been around for longer than most species on the Earth

Which of the following statements are true about fossils and the fossil record? (3)

Remains of organisms left where oxygen is not present have a better chance of being fossilized

Mineralization can be part of the fossilization process

Fossils can help us determine a rock layers age

Oxygen helps the fossilization process take place by adding minerals from the soil

Freezing and drying are not methods of fossilization

Which of the following statements are true of the geologic record? (2)

Rock layers nearer to the surface are younger than rock layers that are deeper down

Absolute age is calculated using Half Life of a element going through radioactive decay

Relative age helps us to know how old a fossil is in years

Carbon dating allows us to calculate the age of a rock

Fossils found in rock layers are not the same age as the rock layer they are found in

The means by which changes in an organisms happen over long periods of time is/are _____. (3)

Random mutations in genetic code over many generations leading to new adaptations that can be passed on

A desire to change to make life easier

Changes in climate and food types over the life span of an organism

Which of the following statements are true of biogeography? (3)

Separation of species on different land masses led to the formation of new species

Latitude has an effect on plant and animal distribution

Living things move to where they have the most available resources

Living things Cluster where they originated

Continental drift resulted in plate tectonics

Which of the following statements are true in regard to evolution? (3)

It happens by means of natural selection

It is a change in organisms over a long period of time due to random genetic mutations creating adaptations

It shows a relationship between all life on Earth by using the same DNA structure

It happens by means of artificial selection

It shows that we need to control all aspects of nature

Which of the following statements are true about classification? (3)

From most inclusive to least inclusive it will read domain, kingdom, phylum, class, order, family, genus, species.

Each classification group is called a taxon

It is based on structural similarities and differences

From most inclusive to least inclusive it will read species, genus, family, order, class, phylum, Kingdom, domain.

Which of the following statements are true about populations and nature? (3)

More offspring are born than the environment can support

Variation among species helps protect them from going extinct

Available environmental resources are limited

Ideal conditions and unlimited resources are common in nature

Gradual accumulation of adaptations over many generations does not help an organism survive

Enzymes speed up biochemical reactions by lowering activation energy. To what does this refer? (1)

less energy is needed to initiate the reaction

the reaction must be endothermic

less energy is produced by the reaction

Biology Semester 2 Final Exam for CK12

Authored by Jeff Stading

Biology

10th - 12th Grade

NGSS covered

Used 66+ times

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65 questions

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MULTIPLE SELECT QUESTION

45 sec • 1 pt

Which of the following is a macromolecule? (4)

protein

vitamin

carbohydrate

nucleic acid

lipid

Tags

NGSS.HS-LS1-1

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Which of the following contains the instructions for making proteins? (2)

cell membrane

mitochondria

DNA

nucleus

Tags

NGSS.HS-LS1-1

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Which of the following statements are true regarding cells? (3)

cells are the basic unit of structure and function in all living things

organisms can be unicellular or multicellular

cells are a larger unit than a tissue

cells are specialized to do a particular job in a unicellular organism

animal and plant cells are eukaryotic

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Which organelles or cell parts are in all cells? (3)

DNA

vacuole

cell membrane

cytoplasm

cell wall

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Proteins are made on which of the following organelles? (1)

Nucleus

Golgi Apparatus

DNA

Ribosome

Mitochondria

MULTIPLE SELECT QUESTION

45 sec • 1 pt

The basic needs of all cells include which of the following? (3)

Obtain matter and energy from their environment

Respond to their environment

Use sunlight for energy

Maintain Homeostasis

Move from place to place

Tags

NGSS.HS-LS1-3

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Which of the following statements are true in regard to viruses? (3)

Viruses evolve but do not mutate

Viruses can contain DNA or RNA

Viruses are made up of cells

Viruses have a protein capsid made of a head, a collar, and a tail

Viruses by numbers are the largest biological entity on Earth

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Biology Semester 2 Final Exam for CK12

Which of the following is a macromolecule? (4)

Which of the following contains the instructions for making proteins? (2)

Which of the following statements are true regarding cells? (3)

Which organelles or cell parts are in all cells? (3)

Proteins are made on which of the following organelles? (1)

The basic needs of all cells include which of the following? (3)

Which of the following statements are true in regard to viruses? (3)

Which type of organic compound is DNA? (1)

Which of the following statements are true when trying to limit the spread of disease? (3)

Which of the following is a life function that all cells must be able to maintain in order to survive? (3)

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