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Planets

Total questions: 84

Worksheet time: 1hrs 3mins

Name
Class
Date
1.

Octopus belongs to the class________.

a)

Mollusca

b)

Pelecypoda

c)

Cephalopoda

d)

None of the above

2.

What is true of a prokaryotic cell?

a)

they have a nucleus

b)

they are NOT condiered to be alive

c)

they reproduce by binary fission

d)

they do not have a cell wall

3.

collects, processes, and packages proteins for the cell

a)

mitochondria

b)

gogli apparatus

c)

smooth ER

d)

rough ER

4.
Examine the cell diagrams shown. Which of the following choices identifies the eukaryotic cell for the correct reason?
a)
Cell A, because it is a single cell
b)
Cell A, because a nuclear membrane contains the cell’s DNA
c)
Cell B, because it is much smaller
d)

Cell B, because it contains genetic material
5.

The spherical object within a cell that controls its activity is the _____.

a)

mitochondria

b)

nucleus

c)

ribosome

d)

membrane

6.
______ make protein for the cell.  
a)
Nuclei
b)
Ribosomes
c)
Endoplasmic reticulum
d)
Vacuoles 
7.
Which type of tissue is responsible for the movement of body parts?
a)
Connective
b)
Muscle
c)
Nervous
d)
Epithelial
8.
Which of these can only be found in a plant cell?
a)
 A nucleus
b)
A vacuole
c)
A chloroplast
d)
A mitochondrion
9.
Why is the nucleus important? 
a)
It give the cell its energy
b)
It stores genetic information
c)
It uses sunlight for food
d)
It makes the proteins
10.
Directs all cell activities through the DNA located there.
a)
Lysosomes
b)
Nucleus
c)
ribosomes
d)
Mitochondria
11.

All prokaryotes are single-celled organisms. Compare prokaryotes and eukaryotes. Select the characteristics that only apply to prokaryotes.

a)

These cells have DNA in a region called the nucleoid

b)

Some of these cells have structures like flagella and microvilla

c)

These cells have cell walls made of polypeptides and polysaccharides

d)

These cells have cell walls made of cellulose

e)

These cells have DNA contained in a nucleus

12.

What is DNA?

a)

Deoxyrebonucliec Acid

b)

Deoxirybonucleic Acid

c)

Deoxyribonucleic Acid

d)

Deoxyriebonucleic Acid

13.
Which instrument is credited for helping scientists develop cell theory?
a)
 the microscope
b)
a hand lens
c)
an electronic balance
d)
a thermometer
14.
Every organ is made up of one or more: 
a)
Organ Systems
b)
Tissues
c)
Muscles
d)
Bones
15.

When viewing a cork through his homemade microscope, Robert Hook discovered small compartments that he called _____.

a)

boxes

b)

cells

c)

prokaryotes

d)

eukaryotes

16.

Schleiden and Schwann believed _____.

a)

that organisms were the basic unit of life

b)

that both cells and organisms were basic units of life

c)

that the questions of the basic unit of life were too abstract to answer

d)

none of the above

17.

What molecule will your body generally use first for energy?

a)

carbohydrates

b)

lipids

c)

amino acids

d)

nucleic acids

18.

The term Cell was coined by

a)

Robert Hooke

b)

Robert Brown

c)

JE Purkinje

d)

AV Leeuwenhoek

19.

What is the smallest unit of life

a)

cell

b)

atom

c)

molecule

d)

organ

20.
What tool do you use to view the cells?
a)
metric ruler
b)
centrifuge
c)
microscope
d)
telescope
21.

Which one reign is prokariotic

a)

Animalia

b)

Fungi

c)

Monera

d)

Protisti

22.

Which organelle produces energy for the cell?

a)

Golgi apparatum

b)

Mithocondrion

c)

Nucleum

d)

Endoplasmic Reticulum

23.

Who used first binomial nomenclature?

a)

Darwin

b)

Linneum

c)

Hopkins

d)

Newton

24.

Which scientist is fundamental for his evolutionary theory?

a)

Monod

b)

Darwin

c)

Hopkins

d)

Einstein

25.

The cytoskeleton is important because

a)

It gives the cell its shape

b)

It strengthens the cells

c)

It helps the cells move and divide

d)

All of the above

26.

The following features are found only in the plant cell

a)

Lysosome

b)

Cell wall

c)

Chloroplast

d)

Central vacuole

27.

The following is found inside the nucleus

a)

Cytoplasm

b)

DNA

c)

Mitochondria

d)

Nucleolus

28.

The nucleus is the

a)

Power house of the cell

b)

Waste collector in the cell

c)

Control center of the cell

d)

protein factory in the cell

29.

It is the waste collector and recycler in the animal cell

a)

Ribosome

b)

Vesicle

c)

Central vacuole

d)

Lysosome

30.

Centrosome and centrioles play a major role in

a)

Cell movement

b)

Cell division

c)

Cell contraction

d)

Cell membrane

31.

Centrosome and centrioles play a major role in

a)

Cell movement

b)

Cell division

c)

Cell contraction

d)

Cell membrane

32.

It is mainly membrane-enclosed spaces stacked on top of each other

a)

Rough ER

b)

Mitochondria

c)

Smooth ER

d)

Golgi Apparatus

33.

It is mainly membrane-enclosed spaces stacked on top of each other

a)

Rough ER

b)

Mitochondria

c)

Smooth ER

d)

Golgi Apparatus

34.

It is mainly membrane-enclosed spaces stacked on top of each other

a)

Rough ER

b)

Mitochondria

c)

Smooth ER

d)

Golgi Apparatus

35.
The solar system consists of the sun, smaller objects, and ...
a)
8 planets and their moons
b)
6 planets 
c)
only moons
d)
more than 100 stars
36.
A giant cloud of dust and gas formed the solar system.
a)
True 
b)
False
37.
They are small and have rocky bodies. 
a)
this describes the inner planets 
b)
this describes the outer planets 
38.
Which is the smallest terrestrial planet?
a)
Mercury 
b)
Mars
c)
Earth
d)
Venus
39.
Saturn is known for it's _______. 
a)
rings
b)
atmopshere
c)
moons
d)
temperature 
40.
Saturn's rings are made of chunks of 
a)
volcanoes
b)
ice and rock
c)
nitrogen and helium 
d)
ice and 
41.
Uranus is different that other planets because it rotates on it's side. 
a)
True
b)
False
42.
Meteoroids come from comets or asteroids. 
a)
True
b)
False
43.
Hydrogen and Helium make up the _______.
a)
Inner Planets 
b)
Gas gaints
c)
Middle Planets 
d)
Terrestrial Planets 
44.
Geocentric model is where ____ is at the center.
a)
Sun
b)
Earth 
45.
Heliocentric is where the ____is at the center. 
a)
Earth
b)
Sun
46.
Pluto, among others, is known as a ____.
a)
dwarf planet 
b)
planet
47.
We cannot breathe on Mars and Venus bc it's atmosphere is made of mostly...
a)
CO2
b)
O2
48.
Mercury is the ____ planet from the sun. 
a)
1st
b)
2nd 
c)
3rd
d)
4th
49.
The 2nd planet from the Sun is...
a)
Venus
b)
Mars
c)
Earth
d)
Pluto
50.
Earth is the 3rd planet from the Sun. 
a)
True
b)
False
51.
Mars is the 5th planet from the Sun. 
a)
True 
b)
False
52.
A planet outside of our solar system that orbits a star is officially called ___
a)
an alien planet
b)
an exoplanet
c)
a martian planet
d)
a distant planet
53.

What Exoplanet is the closest to us?

a)

TRAPIST 1 B

b)

Proxima Centari-B

c)

51 Pegasi-B

d)

TRAPIST 1 A

54.

Do some Exoplanets also have Exomoons.

a)

No

b)

Yes

c)

It's unknown

55.

What happens if a planet is too close to a star?

a)

it will be too hot for liquid water

b)

it will be too cold for liquid water

c)

it will be dark for plants to grow

d)

it will rotate too quickly

56.

What happens if a planet is too far away from a star?

a)

it will be too hot for liquid water

b)

it will be too cold for liquid water

c)

it will be bright for plants to grow

d)

it will rotate too quickly

57.

What is the problem with seeing planets orbiting other stars?

a)

They are faint.

b)

They are hidden by the luminosity of their parent star.

c)

They are really far away.

d)

All of these answers are correct

58.

How are exoplanets named?

a)

They take the name of its parent star and put a letter at the end depending on its discovery time or distance from the star(s).

b)

They aren't. Scientists just call them "planet"

c)

They take Its discovery date and put a random letter at the end.

59.

Select all that are exoplanets.

a)

Proxima b

b)

TrES-2b

c)

Mercury

d)

Kepler-16b

e)

Jupiter

60.

An atmosphere ...

a)

reflects UV light and radiation

b)

keeps a planet warm by trapping gases

c)

helps keep water on Earth from evaporating into space by pressure

d)

all of these

61.

How many confirmed exoplanets have been found?

a)

over 1 million

b)

ABOUT 5,700

c)

around 1 billion

d)

less than 100

62.

How many habitable planets are in our solar system?

a)

1

b)

2

c)

3

d)

0

63.

What is the main challenge in detecting exoplanets?

a)

They are too close to their parent stars

b)

They are too large to observe

c)

They are too faint compared to their parent stars

64.

What is the significance of finding habitable exoplanets?

a)

It proves the existence of alien life

b)

It expands our understanding of planetary systems

c)

It allows for future colonization efforts

d)

It has no significant impact

65.

Which is true of the dwarf planets?

a)

more massive than nearby objects

b)

never have moons

c)

orbit near the Sun

d)

spherically shaped

66.
Pluto is a dwarf planet that is part of the...
a)
Oort cloud
b)
Kuiper Belt
c)
Moon system of Neptune
67.
When was Pluto demoted to "Dwarf Planet"?
a)
2005
b)
2006
c)
2016
d)
1999
68.

The dwarf planet located in the asteroid belt is ___

a)

Ceres

b)

Eris

c)

Pluto

d)

Make make

69.

Which dwarf planet spins so fast it's day is only 4 hours long?

a)

Haumea

b)

Eris

c)

Makemake

d)

Ceres

70.

Which dwarf planet is kind of pink and was nicknamed the Easter Bunny?

a)

Haumea

b)

Ceres

c)

Pluto

d)

Makemake

71.

Which dwarf planet has the greatest mass?

a)

Pluto

b)

Makemake

c)

Eris

d)

Ceres

72.

Farthest from the Sun.........

a)

Haumea

b)

Pluto

c)

Eris

d)

Makemake

73.

Which dwarf planet is egg-shaped?

a)

Haumea

b)

Makemake

c)

Pluto

d)

Ceres

74.

Which dwarf planet has 1 moon with no name yet?

a)

Pluto

b)

Makemake

c)

Eris

d)

Haumea

75.

On which planet does it snow red?

a)

Pluto

b)

Eris

c)

Makemake

d)

Haumea

76.

Which dwarf planet has recently discovered rings?

a)

Ceres

b)

Pluto

c)

Eris

d)

Haumea

77.

This dwarf planet has a heart shaped glacier on it.

a)

Eris

b)

Haumea

c)

Ceres

d)

Pluto

78.

Which dwarf planet is the smallest?

a)

Ceres

b)

Pluto

c)

Haumea

d)

Eris

79.

Which dwarf has the fastest period of rotation in the solar system?

a)

Pluto

b)

Haumea

c)

Ceres

d)

Makemake

80.

Which dwarf planet has 5 moons?

a)

Eris

b)

Mars

c)

Ceres

d)

Pluto

81.

Which dwarf planet has about the same rotational period as the Earth?

a)

Makemake

b)

Haumea

c)

Ceres

d)

Pluto

e)

Eris

82.

Which dwarf planet has the largest diameter?

a)

Makemake

b)

Ceres

c)

Pluto

d)

Eris

83.

Which Dwarf planet is this?

a)

Pluto

b)

Haumea

c)

Makemake

d)

Ceres

e)

Pluto

84.

Which dwarf planet is pictured above?

a)

Ceres

b)

Pluto

c)

Makemake

d)

Eris

e)

Haumea

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