Quiz about TN Ready Review 7th Grade Science (Part 1)

Question 1

The ability to rust is a

Accepted Answer

Chemical property

Answer

Physical property

Question 2

The element sulfur smells like rotten eggs. This is an example of a

Accepted Answer

Physical property

Answer

Chemical property

Question 3

The element iron is very magnetic. This is an example of a

Accepted Answer

Physical property

Answer

chemical property

Question 4

A property of matter that can be measured or observed without changing the substance of which it is made, is an example of a

Accepted Answer

Physical property

Answer

Chemical property

Question 5

The ability of Kool Aid to dissolve in water is an example of a

Accepted Answer

Physical property

Answer

Chemical property

Question 6

What is a coefficient?

Accepted Answer

The large number in front of a chemical formula.

Answer

The small number on the right of the chemical symbol.

Answer

The number in between the chemical symbols.

Answer

The number behind a chemical formula.

Question 7

What is the part of the chemical equation in green called?
Fe + S --> FeS

Accepted Answer

reactants

Answer

products

Answer

yield

Answer

chemical formula

Question 8

What is the little number after an element in a chemical equation called.
Example: H₂

Accepted Answer

Subscript

Answer

Coefficient

Answer

Atom

Answer

Equation

Question 9

What coefficient should be used to make the following equation balanced?
N₂+O₂--> _NO

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 10

Element or compound?
H₂O

Accepted Answer

compound

Answer

element

Question 11

Occurs when breeders produce a new breed of animal over a period of time by selecting animals that have certain desired traits and breeding them.

Accepted Answer

Artificial Selection

Answer

Natural Selection

Answer

Adaptation

Answer

Hibernation

Question 12

Organisms better suited to their environment survive easier and longer than those who aren't

Accepted Answer

Natural Selection

Answer

Adaption

Answer

Artificial Selection

Answer

Speciation

Question 13

The way a physiological system maintains internal stability regardless of external circumstances

Accepted Answer

Homeostasis

Answer

Dormancy

Answer

Hibernation

Answer

Seed Dispersal

Question 14

Scientist who proposed the theory of natural selection

Accepted Answer

Charles Darwin

Answer

Robert Hooke

Answer

Alfred Wegener

Answer

Albert Einstein

Question 15

Species movement from one location to another due to climate or a food source.

Accepted Answer

Migration

Answer

Hibernation

Answer

Dormancy

Answer

Pollination

Question 16

The action of an organism changing to better suit its new or old environment.

Accepted Answer

Adaptation

Answer

Natural Selection

Answer

Physical Trait

Answer

Camouflage

Question 17

What adaptation is represented by the image?

Accepted Answer

Seed Dispersal

Answer

Dormancy

Answer

Camouflage

Answer

Hibernation

Question 18

Is planaria regeneration  sexual or asexual?

Accepted Answer

asexual

Answer

sexual

Question 19

Is binary fission sexual or asexual?

Accepted Answer

asexual

Answer

sexual

Question 20

Is budding sexual or asexual?

Accepted Answer

asexual

Answer

sexual

Question 21

Is fertilization sexual or asexual?

Accepted Answer

sexual

Answer

asexual

Question 22

The New Mexico whiptail lizard can reproduce both sexually and asexually. The most reliable way to determine that a group of offspring of New Mexico whiptail lizards was produced through asexual reproduction would be to look at which of the following characteristics?

Accepted Answer

Genetic variation

Answer

Physical appearance

Answer

Habitat location

Answer

Behavior patterns

Question 23

Salmonella is a bacterium that causes food poisoning. In the small intestine, a single Salmonella cell divides in two, rapidly producing many copies of itself. The microscopic bacteria invade our cells, and our immune system responds. We experience fever, nausea, and diarrhea  What type of reproduction is this?

Accepted Answer

Asexual

Answer

Sexual

Question 24

If Homer Simpson cloned himself and all of his clones had his exact same DNA, we could conclude that he:

Accepted Answer

reproduced asexually

Answer

reproduced sexually

Answer

is unicellular

Answer

is brilliant

Question 25

When comparing the offspring of sexually and asexually reproducing organisms, we would expect the genetic material (DNA) of the sexually reproducing organism to -

Accepted Answer

show more genetic variation

Answer

contain fewer mutations

Answer

be lesser in quantity

Answer

be simpler overall

Question 26

The offspring of asexually reproduced organisms are?

Accepted Answer

Identical to parents

Answer

Different than their parents

Answer

Like a combination of both parents

Answer

A different species

Question 27

If two organisms reproduce sexually, then their offspring will exhibit a genetic makeup that is -

Accepted Answer

a unique combination of traits

Answer

identical to only one parent

Answer

identical to all of its siblings

Answer

the recessive traits of each parent

Question 28

Genes are short segments of DNA and are located in the ________ of a cell.

Accepted Answer

chromosomes

Answer

mitochondria

Answer

genes

Answer

cells

Question 29

What is the process by which the number of chromosomes is reduced by half to form sex cells.

Accepted Answer

meiosis

Answer

fertilization

Answer

mitosis

Answer

budding

Question 30

Fertilization is an important step in animal reproduction. What happens during fertilization?

Accepted Answer

An egg cell joins with a sperm cell.

Answer

Chromosomes separate into single strands.

Answer

An organism divides itself into 2 parts.

Answer

A cell goes through a series of divisions.

Question 31

The process by which a cell creates an exact copy of itself, allowing an organism to grow is know as:

Accepted Answer

mitosis

Answer

fertilization

Answer

meiosis

Answer

budding

Question 32

What are genes?

Accepted Answer

Segments of DNA that code for physical characteristics.

Answer

The organelle that directs all of the cell's activities.

Answer

Characteristics that parents teach their offspring.

Answer

Sex cells: sperm and egg.

Question 33

How does your body grow as you get older?

Accepted Answer

You cells divide, producing new cells.

Answer

Your cells fill with water and get bigger.

Answer

Your cells stretch and get longer.

Answer

Your cells combine with one another.

Question 34

When sex cells combine to produce offspring, each sex cell will contribute

Accepted Answer

1/2 the number of chromosomes in body cells.

Answer

1/4 the number of chromosomes in body cells

Answer

the normal number of chromosomes in body cells.

Answer

twice the number of chromosomes in body cells.

Question 35

In mitosis, how does the number of chromosomes in a daughter cell compare to the number of chromosomes in a parent cell?

Accepted Answer

The daughter cell has the exact same number of chromosomes.

Answer

The daughter cell has 1/2 the number of chromosomes.

Answer

The daughter cell has twice with number of chromosomes.

Answer

The daughter cell has 1/4 the number of chromosomes.

Question 36

How does a sperm or egg cell differ from all other cells in your body?

Accepted Answer

Sperm and egg cells contain only 1/2 the number of chromosomes as the other cells.

Answer

Sperm and egg cells contain twice the number of chromosomes as the other cells.

Answer

Sperm and egg cells reproduce through mitosis; the other cell's don't.

Answer

Sperm and egg cells contain no chromosomes.

Question 37

In frogs there are 26 chromosomes in a fertilized egg. Which best describes how many chromosomes are in the egg and sperm cells before fertilization?

Accepted Answer

13 chromosomes in the egg cell and 13 chromosomes in the sperm cell

Answer

26 chromosomes in the egg cell and 26 chromosomes in the sperm cell

Answer

52 chromosomes in the egg cell and 52 chromosomes in the sperm cell

Answer

26 chromosomes in the egg cell and 0 chromosomes in the sperm cell

Question 38

What type of reproduction results in offspring that are genetically identical?

Accepted Answer

asexual reproduction

Answer

sexual reproduction

Answer

genetic engineering

Answer

meiosis

Question 39

Most cells in the body of a fruit fly contain 8 chromosomes. In some cell, only 4 chromosomes are present. The cells with only 4 chromosomes were formed by which process?

Accepted Answer

meiosis

Answer

mitosis

Answer

fertilization

Answer

synthesis

Question 40

Genotype refers to the ...

Accepted Answer

the possible combination of alleles in a gene

Answer

physical expression of the genes

Answer

whether an allele is dominant or recessive

Answer

how an organism will appear

Question 41

An offspring will receive how many alleles from each parent to determine a specific trait?

Accepted Answer

one

Answer

two

Answer

three

Answer

five

Question 42

Which of the following is a phenotype?

Accepted Answer

Blue eyes

Answer

BB

Answer

Bb

Answer

bb

Question 43

What is a phenotype

Accepted Answer

The physical trait

Answer

The genetic make up (code)

Question 44

the passing of genetic traits from parent to offspring.

Accepted Answer

heredity

Answer

trait

Answer

gene

Answer

allele

Question 45

having two different genes for a trait (sometimes called hybrid).

Accepted Answer

heterozygous

Answer

protein

Answer

homozygous

Answer

genotype

Question 46

Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?

Accepted Answer

25%

Answer

0 %

Answer

50%

Answer

75%

Question 47

An allele whose trait only shows up when no dominant allele is present.

Accepted Answer

recessive allele

Answer

hidden allele

Answer

dominant allele

Answer

present allele

Question 48

One form of a gene is called_______________

Accepted Answer

an allele

Answer

a DNA

Answer

a Phenotype

Answer

a trait

Question 49

If green is dominant over purple, then what is the genotype for this individual?

Accepted Answer

gg

Answer

Purple

Answer

Green

Answer

GG

Question 50

Tt is-

Accepted Answer

heterozygous

Answer

homozygous dominant

Answer

homozygous recessive

Answer

none of these

Question 51

The smallest unit of life that is able to carry out all the functions of living things...

Accepted Answer

cell

Answer

subatomic particle

Answer

organelle

Answer

atom

Question 52

Consist of similar cells that work together...

Accepted Answer

tissue

Answer

organ

Answer

organelle

Answer

atom

Question 53

Consists of different tissues that function together to do a certain job...

Accepted Answer

organ

Answer

organelle

Answer

cell

Answer

organ system

Question 54

Brain, heart, kidneys, lungs, etc...

Accepted Answer

organs

Answer

circulatory system

Answer

organelles

Answer

organ systems

Question 55

1. Which system are the lungs in?

Accepted Answer

respiratory

Answer

digestive

Answer

excretory

Answer

muscular

Question 56

Which system is the esophagus in?

Accepted Answer

digestive

Answer

urinary

Answer

integumentary

Answer

skeletal

Question 57

Which organ is part of the respiratory system?

Accepted Answer

lungs

Answer

tongue

Answer

stomach

Answer

esophagus

Question 58

What is the main function of the respiratory system?

Accepted Answer

take in oxygen and exhale waste like carbon dioxide

Answer

move nutrients throughout the body

Answer

take in carbon dioxide and exhale oxygen

Question 59

What is the main job of the digestive system?

Accepted Answer

break down foods into nutrients that can be used by the body

Answer

take in oxygen and exhale waste like carbon dioxide

Answer

pump blood throughout the body

Answer

makes the body hungry

Question 60

Which system enables the body to move, moves food through the digestive system, and keeps the heart beating?

Accepted Answer

muscular

Answer

skeletal

Answer

digestive

Answer

nervous

Question 61

Which system provides shape and support, enables you to move, protects your internal organs, and stores minerals?

Accepted Answer

skeletal

Answer

muscular

Answer

digestive

Answer

nervous

TN Ready Review 7th Grade Science (Part 1)

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