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6th Grade Midterm

Total questions: 66

Worksheet time: 1hrs 1mins

Name
Class
Date
1.

The ___ is the basic unit of structure and function of organisms

a)

atom

b)

cell

c)

matter

d)

all other answers are correct

2.
The invention of the microscope made it possible for people to discover and learn about
a)
Plants
b)
Skin 
c)
Animals 
d)
Cells
3.
All living things are made up of...
a)
cells
b)
cell tissues
c)
organ
d)
organ systems
4.

What type of cell is an animal cell?

a)

Prokaryotic

b)

Eukaryotic

5.

What type of cell is a plant cell?

a)

Prokaryotic

b)

Eukaryotic

6.

What type of cell is a bacterial cell?

a)

Prokaryotic

b)

Eukaryotic

7.
Which of the following are NOT found in animal cells
a)
chloroplasts and cytoplasm
b)
chloroplasts and cell wall
c)
cell wall and cell membrane
d)
mitochondria and nucleus
8.

Which of the following converts food into energy for the cell?

a)

vacuole

b)

mitochondria

c)

cytoplasm

d)

cell membrane

9.
The nucleus is like the ____________ of the cell.
a)
foot
b)
hand
c)
stomach
d)
brain
10.

The fluid that surrounds the organelles is... (hint... "Try to pull a fast one and..."

a)

chloroplast

b)

cytoplasm

c)

vacuole

d)

cell wall

11.
What do vacuoles do? 
a)
They actually do not have an important role
b)
They protect the cell
c)
They are the brain of the cell
d)
storage area for cells; water storage in plants 
12.
Directs all cell activities through the DNA located there.
a)
Lysosomes
b)
Nucleus
c)
ribosomes
d)
Mitochondria
13.

This part helps trap light to make food during photosynthesis in plants.

a)

Mitochondria

b)

Chloroplast

c)

Cell Wall

d)

Ribosome

14.

This part may be smooth or rough (if covered with ribosomes). It is a tube network that transports proteins.

a)

Ribosomes

b)

Endoplasmic Reticulum

c)

Golgi apparatus

d)

Nuclear Membrane

15.

What type of cell is this?

a)

Prokaryotic

b)

Eukaryotic

c)

Plant

d)

Animal

16.
Identify letter I.
a)
nucleus
b)
mitochondria
c)
cell membrane
17.
What number is pointing to the flagella?
a)
1
b)
5
c)
6
d)
7
18.

What organelle is number 5?

a)

Cell wall

b)

Nucleus

c)

Chloroplast

d)

Large Vacuole

19.

What organelle is number 6?

a)

Cell wall

b)

Nucleus

c)

Chloroplast

d)

Large Vacuole

20.

Which number is pointing to the mitochondria?

a)

1

b)

2

c)

3

d)

4

e)

11

21.

Which number is pointing to the

ribosomes?

a)

6

b)

5 & 7

c)

8

d)

9

e)

10

22.
Multicellular Organisms
a)
Made of 1 cell
b)
Made of more than 1 cell
23.

one cell

a)

unicellular

b)

multicellular

c)

neither

24.

Which statement was NOT included in cell theory?

a)

All living things are composed of cells.

b)

Living cells come only from other living cells.

c)

Each cell contains a cell membrane, cytoplasm, nucleus, mitochondria, and endoplasmic reticulum.

d)

Cells are the smallest structure of living things that can perform the functions necessary for life.

25.
a small grain shaped organelle found in the cytoplasm of a cell or on the R-ER that produced proteins
a)
cytoplasm
b)
ribosome
c)
cell membrane
d)
mitochondria
26.
an organelle in a cell that receives proteins and other newly formed materials from the endoplasmic retiulum packages them and distributes them to other parts of the cell
a)
vacuole
b)
chloroplast 
c)
ribosome
d)
golgi apparatus
27.

These little sacs contain enzymes that break down food molecules like lipids, carbohydrates and proteins that enter the cell.

a)

lysosomes

b)

vacuoles

c)

vesicles

d)

nucleus

28.
Temperature, light, air, water, and soil are all  _____  parts of the environment
a)
alive
b)
biotic 
c)
abiotic
d)
living
29.
A living or once-living organisms in an ecosystem is a
a)
population
b)
biotic factor
c)
abiotic factor
d)
community
30.

This type of cell has no nucleus, no organelles, smaller less complex

a)

Prokaryotes

b)

Eukaryotes

31.

This type of cell has a nucleus, organelles, multi-cellular, complex

a)

Prokaryotes

b)

Eukaryotes

32.

A population of panthers lives in the southeastern United States. Over 50 years, the size of the panther population in the region increased. What best explains the increase in the size of the panther population?

a)

The panther population is always increasing because no animal eats panthers.

b)

Fewer panthers were born than died.

c)

More panthers were born than died.

d)

A lot of panthers were born and none of them died.

33.

Scientists have been studying the size of three populations in a grassland. In this ecosystem, snakes eat rats, and rats eat grasshoppers. The data showed that all three populations were stable. Then the grasshopper population decreased suddenly. What will likely happen to the size of the rat population as a result?

a)

stay the same. The size of their consumer population did not change, so the number of deaths in the rat population did not change. There will be the same number of births and deaths in the rat population.

b)

increase. The smaller grasshopper population will need fewer energy storage molecules so there will be more energy storage molecules available for the rat population to reproduce. This will lead to more births in the rat population.

c)

decrease. A decrease in any population leads to a decrease in the sizes of all other populations in the ecosystem.

d)

decrease. The smaller grasshopper population provides fewer energy storage molecules for the rat population, so the rat population will reproduce less. This will lead to fewer births than deaths in the rat population.

34.
__________ is an organism that only eats plants for energy.
a)
Carnivore
b)
Herbivore
c)
Omnivore
d)
Terivore
35.
__________ is an organism that only eats meat for energy.
a)
Omnivore
b)
Borivore
c)
Herbivore
d)
Carnivore
36.
__________ is an organism that eats BOTH plants and animals for energy.
a)
Omnivore
b)
Darnivore
c)
Carnivore
d)
Herbiovre
37.

Which is the primary source of energy for plants?

a)

producer

b)

consumer

c)

decomposer

d)

sun

38.

Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?

a)

There would be a decrease in the small bird population.

b)

There would be a decrease in the grass/flowers population.

c)

There would be a decrease in the mice population.

d)

There would be an increase in the grass/flowers population.

39.
A consumer that hunts is called:
a)
a producer.
b)
an omnivore.
c)
a predator.
d)
a herbivore.
40.
Which one is NOT an example of a decomposer?
a)
mushroom
b)
leaves
c)
mold
d)
worm
41.
Grass is considered a ...
a)
consumer
b)
producer
c)
decomposer
d)
composers
42.
A food chain shows the transfer of ___ from one organism to another. 
a)
matter
b)
consumers
c)
energy
d)
habitat
43.
How do producers obtain energy?
a)
They conduct photosynthesis.
b)
They consume plants.
c)
They consume primary consumers.
d)
They consume secondary consumers.
44.
What are the organisms that break down dead stuff?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Organisms
45.

A symbiotic relationship where both organisms benefit.

a)

Mutualism

b)

Commensalism

c)

Parasitism

46.

In the ocean, algae lives on the back of spider crabs. Spider crabs then blend in with the environment (thanks to the algae), and the algae gets a home.

a)

Mutualism

b)

Commensalism

c)

Parasitism

47.

Human skin is itchy and cracked from the athele foot fungus. The fungus is feeding on the foot.

a)

Mutualism

b)

Commensalism

c)

Parasitism

48.

Spanish moss will grow on oak trees. They do not have roots, so they will get water from the oak tree but they do not hurt the tree.

a)

Mutualism

b)

Commensalism

c)

Parasitism

49.

A symbiotic relationship where one organism benefits and the other one doesn't benefit and isn't harmed.

a)

Mutualism

b)

Commensalism

c)

Parasitism

50.

Relationship between a moutain lion and a deer.

a)

parasitism

b)

commensalism

c)

mutualism

d)

predator-prey

51.

Which transverse wave has the highest frequency?

a)

1

b)

2

c)

3

d)

4

52.

Which diagram shows the wavelength of a wave?

a)
b)
c)
53.

What does a wave carry from place to place?

a)

energy

b)

matter

c)

people

54.
Which line represents the amplitude of the wave?
a)
A
b)
H
c)
From B to the resting point of the wave
d)
From E to G
55.

Mia, Abigail, and Anika are conducting a science experiment. They shine a light through a glass of water and observe the light bending. What does this phenomenon demonstrate?

a)

absorption

b)

reflection

c)

refraction

d)

scattering

56.

Which type of light has the highest energy of this group? Assume all these waves have the same amplitude.

a)

red

b)

yellow

c)

green

d)

blue

57.
The higher the frequency the ______ the energy. 
a)
higher
b)
lower
c)
neither, stays the same
58.

What part of the atom is the arrow pointing to?

a)

Proton

b)

Neutron

c)

Electron

59.

What part of the atom is the arrow pointing to?

a)

Proton

b)

Neutron

c)

Electron

60.

What part of the atom is the arrow pointing to?

a)

Proton

b)

Neutron

c)

Electron

61.

An element is determined by the number of ________ in its nucleus (also known as its atomic number).

a)

neutrons

b)

electrons

c)

protons

62.

What is the atomic number of this element?

a)

O

b)

8

c)

16

63.

How many protons does this element have?

a)

16

b)

8

c)

0

64.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
65.
a)
Element
b)
Compound
c)
Mixture
66.
a)
Element
b)
Mixture

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