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General Science 2nd QTR Unit Test (Space & Biology)

Total questions: 50

Worksheet time: 47mins

Name
Class
Date
1.
The three pieces of evidence for our current theory of the universe are:
a)
blueshift, CMB, moon landing.
b)
redshift, IBM, Andromeda galaxy.
c)
redshift, CMB, distribution of elements.
d)
doppler effect, light spectra, fusion.
2.
Galaxies that are redshifted are:
a)
actually blue.
b)
really far away.
c)
invisible.
d)
moving away from us.
3.
The universe is expanding!  This means that:
a)
all of the galaxies are spreading out.
b)
the universe must have started from a single point.
c)
the universe is cooling down.
d)
all of the above.
4.
The CMB is:
a)
the remaining energy from the big bang.
b)
incredibly hot.
c)
visible to the human eye.
d)
only located in certain places in the universe.
5.
Light waves that are stretched out by objects moving apart:
a)
have a shorter wavelength.
b)
travel faster than the speed of light.
c)
are invisible.
d)
appear more red.
6.
The most abundant element in the universe today is:
a)
water
b)
hydrogen
c)
oxygen
d)
carbon
7.
The universe is expanding.  This means that:
a)
Galaxies are getting bigger.
b)
Atoms are getting bigger.
c)
The universe is creating more matter.
d)
The amount of space between galaxies is increasing.
8.
The outermost layer of the sun, which can only be seen during a solar eclipse, is the __________.
a)
Chromosphere
b)
Corona
c)
Phtosphere
d)
Radiative zone
9.

Reddish loops or arches of plasma that link sunspots are called __________.

a)

Solar flares

b)

Prominences

c)

Sunspots

d)

Solar wind

10.
What is the most common substance in the sun?
a)
Carbon dioxide
b)
Hydrogen
c)
Ozone
d)
Sodium
11.
a dark spot on the photosphere of the sun
a)
corona
b)
solar flare
c)
sunspot
d)
magnitude
12.
The outermost layer of the sun, which can only be seen during a solar eclipse, is the __________.
a)
Chromosphere
b)
Corona
c)
Phtosphere
d)
Radiative zone
13.
How much of the solar system's total mass is the sun?
a)
Less than 10%
b)
Approximately half
c)
73.8%
d)
Over 99%
14.

The auroras are caused by

a)

Prominences

b)

The corona

c)

Magic

d)

Solar winds caused by CME's

15.
Kepler's first law states that the orbits of the planets are oval in shape or 
a)
ellipses
b)
perfect circles
16.
The farther away a planet is from the sun, the _______ it takes it to orbit the sun once. 
a)
longer
b)
shorter
17.
The path a planet travels around the sun is called its 
a)
orbit
b)
ellipse
c)
barycenter
d)
precession
18.
An ellipse is drawn around two points called
a)
aphelion
b)
perihelion
c)
foci
d)
axis
19.
The place where a planet is closest to the Sun as it orbits the Sun is called the
a)
perihelion
b)
aphelion
20.
What are the four biological molecules?
a)
proteins, carbohydrates, lipids, nucleic acids
b)
A, T, C, G
c)
water, air, earth, and fire
d)
Joe, Nick, and Kevin Jonas
21.
Which biomolecule is also known as enzymes?
a)
Carbohydrate
b)
Lipid
c)
Nucleic Acid
d)
Protein
22.
Which biomolecule are in starches and fibers?
a)
Lipid
b)
Protein
c)
Nucleic Acid
d)
Carbohydrate
23.

Which biomolecule is made of nucleotides and contain your DNA?

a)

Carbohydrate

b)

Lipids

c)

Protein

d)

Nucleic Acid

24.
Which biomolecule contains fats and oils?
a)
Proteins
b)
Nucleic Acid
c)
Lipids
d)
Carbohydrate
25.

The monomers units of DNA and RNA are

a)

amino acids

b)

monosaccharides

c)

nucleotides

d)

fatty acids

26.

Which of the following enzymes catalyzes the linkage together of RNA nucleotides to form RNA?

a)

RNA polymerase

b)

ligase

c)

ribozyme

d)

reverse transcriptase

27.

The transfer of genetic info from DNA to RNA is called

a)

translation

b)

transcription

c)

initiation

d)

elongation

28.

During the process of translation, ____ matches a nucleic acid codon with the proper amino acid.

a)

a ribosome

b)

ATP

c)

polymerase

d)

mRNA

29.
What is the term for a three-nucleotide sequence that codes for an amino acid?
a)
base
b)
codon
c)
amine
d)
serine
30.

A SINGLE characteristic of a living thing

a)

evidence

b)

inherited

c)

trait

d)

characteristic

31.

Which of these do NOT influence the traits of animals and plants?

a)

the traits of their parents

b)

the traits of their grandparents

c)

the traits of their friends

d)

the environment

32.

Traits that are passed along through generations of family members include which of these?

a)

eye color

b)

hair color

c)

nose shape

d)

all of the above

33.

In what way might a puppy be like his parent?

a)

Be the same color

b)

Live in the same place

c)

Know the same tricks

34.

Why is a tiger's pattern important?

a)

to tell them apart

b)

to make them easier to see

c)

camouflage from prey

d)

indicates their health

35.
What phase of mitosis is pictured?
a)
Metaphase
b)
Telophase
c)
Prophase
d)
Anaphase
36.
What phase of mitosis is occuring in the picture?
a)
Prophase
b)
Metaphase
c)
Cytokinesis
d)
Telophase
37.
Which of the following is NOT occuring during interphase?
a)
Cell growth
b)
DNA being copied
c)
DNA condensing
d)
Two new cells are made
38.
Why would it be important to replicate DNA before a cell divides in mitosis or meiosis?
a)
In order for genetic information to be transferred into daughter cells.
b)
In order for the cell to be able to increase in size.
c)
In order for the DNA to be contained in the nucleus.
d)
In order for the cell to re-order the DNA sequencing in the new cells.
39.
T - tall and t = short
In the punnett square below, what belongs in the missing square
a)
tt
b)
Tt
c)
Bb
d)
TT
40.
What is a phenotype
a)
The genetic make up (code)
b)
The physical trait
41.
Which of the following genotypes is homozygous dominant?
a)
A
b)
Aa
c)
AA
d)
aa
42.
Question*Which characteristic is learned rather than inherited?
a)
being tall
b)
having curly hair
c)
having brown hair
d)
throwing a football
43.

Which of the following statements describes the function of the heart?

a)

The heart produces white and red blood cells.

b)

The heart controls the nervous system.

c)

The heart makes oxygen and carbon dioxide.

d)

The heart pumps blood throughout the body.

44.

Which system in the human body functions primarily to supply the blood with oxygen and remove carbon dioxide?

a)

excretory

b)

immune

c)

respiratory

d)

cardiovascular

45.

How does the respiratory system depend on the circulatory system in order to function?

a)

The circulatory system brings waste gases to the lungs and exchanges them for oxygen.

b)

The circulatory system provides structural support and protection to the respiratory system.

c)

The circulatory system pushes gases out of the body through the mouth and nose.

d)

The circulatory system sends messages to the lungs so that one can breathe in and out.

46.

Which two systems are responsible for voluntary movement?

a)

circulatory and excretory

b)

digestive and circulatory

c)

skeletal and muscular

d)

skeletal and circulatory

47.

How do the circulatory and excretory systems work together?

a)

The circulatory system brings nutrients and oxygen so our cells can produce energy.

b)

The circulatory system brings blood to the kidneys to filter and remove waste.

c)

The circulatory system bring white blood cells around the body to fight infection and disease.

d)

The circulatory system helps the excretory system digest food.

48.
The two types of feedback systems that help organisms maintain homeostasis are:
a)
positive and negative 
b)
receptor and effector
c)
static and dynamic
d)
minor and major
49.

Rapid growth during puberty causes your body to release more and more growth hormones. As you grow, more and more growth hormones are released until puberty is reached, and then the hormones stop.

a)

Positive feedback

b)

Negative feedback

50.

What is the point of a feedback loop?

a)

To provide the body with more energy.

b)

To provide the body with more food.

c)

To make sure the conditions in the body are always changing.

d)

To make sure the conditions in the body remain stable.

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