MCA HS Science Review

Question 1

In a terrarium, a student counted a total of 20 live animals. What kind of data is this?

Accepted Answer

quantitative

Question 2

Which 3 body systems interact to help maintain the proper blood oxygen levels during exercise?

Accepted Answer

Circulatory, Nervous, Respiratory

Question 3

The meaning of the word “Evolution” is:

Accepted Answer

Change through time.

Question 4

Sex-linked traits are genes found on what chromosome?

Accepted Answer

X

Question 5

What are the products of Mitosis?

Accepted Answer

two diploid (2n) cells

Question 6

Name one human activity that substantially reduced the prairies.

Accepted Answer

farming

Question 7

When scientists do a study & discover new evidence, what must they do to make sure it is valid?

Accepted Answer

Repeat it numerous times and compare the outcomes.

Question 8

See question below

Accepted Answer

grasses/shrubs

Question 9

What system?

Accepted Answer

nervous

Question 10

What are the little round pieces of DNA called?

Accepted Answer

Plasmids

Question 11

How does the body’s organ systems help convert food to energy?

Accepted Answer

cellular respiration

Question 12

Which of the following disease are not caused by a virus?

Accepted Answer

strep throat

Question 13

How does fertilizer affect the health of plants in a terrarium?

Accepted Answer

It provides them with needed nutrients in order to grow.

Question 14

What is the process that moves materials across a membrane against a gradient?

Accepted Answer

active transport

Question 15

Name the openings in the leaf of a plant that allow for gas exchange.

Accepted Answer

stoma

Question 16

What part of the brain deals with memory?

Accepted Answer

hippocampus

Question 17

See question below

Accepted Answer

Nervous

Question 18

All of the following are somatic cells except:

Accepted Answer

sperm

Question 19

Whose job is it to put together a chain of amino acids to make a protein?

Accepted Answer

rRNA

Question 20

Which statement describes a setup that is controlled in an experiment?

Accepted Answer

The students construct identical terrariums.

Question 21

How are cyanobacteria important to life?

Accepted Answer

cyanobacteria aid in N2 fixation in the roots of plants, provide oxygen for the world

Question 22

Which of the following are “Laws” that may be useful in genetics?

Accepted Answer

all of the above

Question 23

Bacteria were thought to have been incorporated by cells and evolved into organelles. This is:

Accepted Answer

endosymbiosis

Question 24

Gregor Mendel’s work is concerned with:

Accepted Answer

genetics

Question 25

What body systems are most affected by aerobic exercise?

Accepted Answer

Respiratory, Circulatory

Question 26

What are the products of Meiosis?

Accepted Answer

four haploid (n) cells

Question 27

Why is biological evolution an important concept in Biology?

Accepted Answer

Shows relationships between organisms & explains diversity.

Question 28

Who is the best Biology teacher?

Accepted Answer

Mr. Delwiche, Mrs. Koehler, Mrs. Stensvad

Question 29

Read the question below.

Accepted Answer

Some insects were not killed by the spray., The insects that were not initially killed reproduced.

Question 30

A chloroplast’s or mitocondria’s DNA is similar to what other organisms DNA?

Accepted Answer

bacteria

Question 31

Which condition is the result of rapid breathing during exercise?

Accepted Answer

increased carbon dioxide levels in the blood

Question 32

All of the following are sex cells except:

Accepted Answer

skin

Question 33

Another name for a pedigree is:

Accepted Answer

Family tree

Question 34

Which of the following is an example of, or best describes, a food web?

Accepted Answer

a bunch of interacting food chains

Question 35

Coyotes eat chickens. How does the coyote population most likely affect the prairie chicken?

Accepted Answer

As coyote numbers decrease, chickens increase.

Question 36

Which of the following are analogous structures?

Accepted Answer

fish fin and whale fin

Question 37

What part of the brain has likely been damaged when a person can't coordinate muscle movements?

Accepted Answer

cerebellum

Question 38

Which of the following are types of nucleic acids?

Accepted Answer

RNA & DNA

Question 39

A symbiotic relationship in which only one organism benefits and nothing happens to the other.

Accepted Answer

commensalism

Question 40

What is the function of xylem in plants?

Accepted Answer

Carries water

Question 41

Identify two substances made during photosynthesis.

Accepted Answer

glucose & oxygen

Question 42

How are cyanobacteria important to the environment?

Accepted Answer

Convert atmospheric nitrogen to a form plants can use

Question 43

What system?

Accepted Answer

skeletal

Question 44

Carbon is a(n) _____ in the prairie that cycles through it.

Accepted Answer

element

Question 45

All the following support the theory of Natural Selection except:

Accepted Answer

Only the biggest and strongest survive.

Question 46

The endocrine system deals with:

Accepted Answer

hormones

Question 47

Which of the following is a hypothesis?

Accepted Answer

An educated guess based on previous observations.

Question 48

How does the true DNA of a bacterium look?

Accepted Answer

a big circle all twisted

Question 49

What cell characteristic is most likely the difference between different species of flies?

Accepted Answer

number of chromosomes

Question 50

Whose job is it to pick up the correct amino acids in protein synthesis?

Accepted Answer

tRNA

Question 51

What is this?

Accepted Answer

amoeba

Question 52

All the following are parts to the “Cell Theory” except:

Accepted Answer

Viruses are non-living cells.

Question 53

What is this?

Accepted Answer

euglena

Question 54

Which of the following is not another term for “introduced species”?

Accepted Answer

Native

Question 55

A symbiotic relationship in which only one organism benefits and the other one is harmed.

Accepted Answer

parasitism

Question 56

Cyanobacteria(blue-green algae) are in the Kingdom:

Accepted Answer

Monera

Question 57

What neuron part releases neurotransmitters?

Accepted Answer

axon terminals

Question 58

What scientific theory has most helped scientists study infectious diseases?

Accepted Answer

Germ theory

Question 59

A symbiotic relationship in which both organisms benefit is called

Accepted Answer

mutualism

Question 60

Whose job is to pick up the info from DNA in protein synthesis?

Accepted Answer

mRNA

Question 61

Protein synthesis involves two parts. What are they?

Accepted Answer

Transcription & Translation

Question 62

Which of the following is a law?

Accepted Answer

Generalizes a body of observations – No exceptions.

Question 63

Identify the abiotic part of the nitrogen cycle.

Accepted Answer

plant roots and nitrogen

Question 64

Sex-linked traits are genes found on what chromosome?

Accepted Answer

Y

MCA HS Science Review

Questions 70

MCA HS Science Review

Questions 70