7th Grade Life Science Final: Semester One

Question 1

A reproductive process in which a sperm joins with an egg.

Accepted Answer

Fertilization

Question 2

Chemical reactions that convert light energy, water, and carbon dioxide into the food-energy.

Accepted Answer

Photosynthesis

Question 3

A large macromolecule that does not dissolve in water.

Accepted Answer

Lipid

Question 4

What is the first step of the scientific method?

Accepted Answer

Question/Problem

Question 5

This organelle converts energy into forms that are usable by the cell.

Accepted Answer

mitochondria

Question 6

Where does fermentation occur?

Accepted Answer

Cytoplasm

Question 7

A molecule that forms when long chains of molecules called nucleotides join.

Accepted Answer

Nucleotide

Question 8

What is the second step of the scientific method?

Accepted Answer

Research/Observation

Question 9

A macromolecule that forms when long chains of molecules called nucleotides join together.

Accepted Answer

Nucleic Acid

Question 10

Before conducting a lab, read all

Accepted Answer

instructions

Question 11

Macromolecule made up of one or more sugar molecules, composed of carbon, hydrogen, and oxygen

Accepted Answer

Carboyhydrate

Question 12

The smallest unit of life.

Accepted Answer

Cell

Question 13

A permanent change in the sequence of DNA, or the nucleotides, in a gene or a chromosome

Accepted Answer

Mutation

Question 14

Which of the following is found in both cells and viruses?

Accepted Answer

Genetic Material

Question 15

The projections on the virus allows the virus to

Accepted Answer

attach to a host cell

Question 16

Both bacteria and virus

Accepted Answer

lack membrane bound organelles

Question 17

Storage bubbles found in cells. Plant cells have one big one.

Accepted Answer

vacuole

Question 18

This type of microscope uses light and lenses to enlarge an image of an object.

Accepted Answer

Light Microscope

Question 19

Chromosomes line up in a single file line at the middle of the cell in what phase?

Accepted Answer

Metaphase

Question 20

a long chain of amino acid molecules; contains carbon, hydrogen, oxygen, nitrogen, and sulfur.

Accepted Answer

Protein

Question 21

Deoxyribonucleic Acid; an organism's genetic material

Accepted Answer

DNA

Question 22

All of these statements are part of cell theory, EXCEPT

Accepted Answer

Cells are really small

Question 23

A section of DNA on a chromosome that has genetic information for one trait.

Accepted Answer

Gene

Question 24

Which macromolecule stores the genetic information of a cell.

Accepted Answer

DNA

Question 25

An organisms ability to maintain steady internal conditions when outside conditions change.

Accepted Answer

Homeostasis

Question 26

This is an image of a plant cell

Accepted Answer

True

Question 27

What was "big" (but actually little) thing microscopes were used to discover?

Accepted Answer

Cell

Question 28

Name two organelles that are only found in plant cells

Accepted Answer

cell wall and chloroplast

Question 29

What word do we use for a scientific prediction?

Accepted Answer

Hypothesis

Question 30

If you break glassware...

Accepted Answer

tell your teacher

Question 31

This is an image of a plant cell

Accepted Answer

False

Question 32

Which of the following organisms can be destroyed/killed by antibiotics?

Accepted Answer

Bacteria

Question 33

If you get a chemical in your eye ....

Accepted Answer

rinse with the eyewash

Question 34

All organelles are contained by the

Accepted Answer

cell membrane

Question 35

What is the third step of the scientific method?

Accepted Answer

Hypothesis

Question 36

How do viruses reproduce?

Accepted Answer

by inserting DNA into the host cell

Question 37

Can science be done poorly?

Accepted Answer

Yes

Question 38

The five types of asexual reproduction are:

Accepted Answer

Fission, Budding, Regeneration, cloning, vegetative, reprod.

Question 39

_____ long hair and clothes.

Accepted Answer

pull back

Question 40

The cell cycle consists of two main phases. They are:

Accepted Answer

Interphase and Mitotic Phase

Question 41

The longest phase of the cell cycle is what?

Accepted Answer

Interphase

Question 42

Ribonucleic Acid; a type of nucleic acid that carries code for making proteins.

Accepted Answer

RNA

Question 43

Do not reach over an open _____.

Accepted Answer

flame

Question 44

The process of copying a DNA molecule to make another DNA molecule

Accepted Answer

Replication

Question 45

In what step of the scientific method do we decide whether our hypothesis was correct or not?

Accepted Answer

Conclusion

Question 46

Your experiment will depend on your ___________

Accepted Answer

Hypothesis

Question 47

A group of cells that work together to carry out a task.

Accepted Answer

Tissue

Question 48

This organelle encloses and supports the cells in plants

Accepted Answer

cell wall

Question 49

Clear substance that holds all the contents outside of the nucleus of a cell

Accepted Answer

cytoplasm

Question 50

This organelle provides the energy for the cell

Accepted Answer

mitochondria

Question 51

Pick one of the answers: What does the cell theory state?

Accepted Answer

The cell is the smallest unit of life, All things are made of cells., Cells come from preexisting cells

Question 52

Series of chemical reactions that convert energy in food molecules into the usable energy ATP.

Accepted Answer

Cellular Respiration

Question 53

Wear _____ to protect your eyes.

Accepted Answer

goggles

Question 54

This is an image of a(n)

Accepted Answer

Plant cell

Question 55

This organelle functions to package and deliver proteins:

Accepted Answer

golgi bodies

Question 56

An unspecialized cell that is able to develop into many different cell types.

Accepted Answer

Stem Cell

Question 57

This type of microscope uses more than one lens to magnify an object

Accepted Answer

Compound Microscope

Question 58

What is the last step of the scientific method?

Accepted Answer

Conclusion

Question 59

This type of microscope uses a magnetic field to focus a beam of electrons through an object.

Accepted Answer

Electron Microscope

Question 60

A group of tissues working together to perform a particular job.

Accepted Answer

Organ

Question 61

Don't smell chemicals, _____ them.

Accepted Answer

waft

Question 62

Never_______ on your own.

Accepted Answer

experiment

Question 63

Which of these is NOT an organelle

Accepted Answer

alveoli

Question 64

Reaction that eukaryotic and prokaryotic cells use to obtain energy from food with low oxygen.

Accepted Answer

Fermentation

7th Grade Life Science Final: Semester One

Questions 75

7th Grade Life Science Final: Semester One

Questions 75