Question 1

Is this statement True or False?

According to Mendel’s principles, 2/4 of the offspring made from a cross between two heterozygous plants will show the dominant trait (phenotype).

Set up a Punnett square using the details below to see if the statement is TRUE or FALSE.

A cross between 2 plants that are both heterozygous for a trait Hh.


True
False
Question 2
Look at the image below.

Image

What term describes this process occurring in Prophase I?

a
crossing over
b
binary fission
c
replication
d
independent assortment
Question 3
Which of the following graphs BEST shows chloroplasts' role in photosynthesis based on light intensity?

A.)1cfb4633-3c8f-488a-b7cc-a54a42d4ad8f

_______________________________________

B.)7197a94e-a970-45cf-a748-f4109016c9ca
_______________________________________
C.)bd1cb2c8-fa24-46eb-a967-3cdf1996c6cb
_______________________________________
D.)c4f7ce1a-c665-4bdc-af2c-5c9353070924

_______________________________________

a
A
b
B
c
C
d
D
Question 4
Directions: Use the image below to answer the question that follows.

What is the probable mode of inheritance for the normal trait in the image?

a
polygenic
b
sex linkage
c
multiple alleles
d
simple dominant
Question 5
Select three process that can increase the variation of a species.

a
budding
b
selective breeding
c
genetic engineering
d
cloning
e
mutations
f
fission
Question 6
Match the descriptive term with the correct genotype or description.

Meme Creator - Funny My phenotype may not be great But it is my genotype that counts Meme Generator at MemeCreator.org!

Column A
1.
Homozygous dominant:
Homozygous dominant
2.
Homozygous recessive:
Homozygous recessive
3.
Heterozygous:
Heterozygous
4.
Phenotype:
Phenotype
Column B
a.blue eyes
b.gg
c.GG
d.Gg
Question 7
R= red eyes; r= white eyes - parents are a homozygous white eyed female and a red eyed male

In fruit flies, the color of the eyes is sex linked (on the X chromosome). A cross of the flies in the image will produce



a
50% red eyed flies
b
0% white eyed flies
c
0% of the females with white eyes, 50% of the males with white eyes.
d
100% of the females with red eyes, 100% of the males with white eyes.
Question 8
Monty Python And The Holy Grail Bunny GIF - Monty Python And The Holy Grail Bunny Come Here GIFs

What is the phenotype with a rabbit with the genotype of BbGg

a
black eyes with white hair
b
black eyes with gray hair
c
red eyes with black hair
d
BbGg
Question 9
Determining the clinical course in patients with viral or bacterial infection for acute cough — NIHR Community Healthcare MICYou are sick with a sore throat and fever. Your doctor does a throat swab and makes a microscope slide. Under the microscope, they find long chains of spherical cells that lack membrane bound organelles.

Do you have a viral or bacterial or fungal infection? How do you know?

a
You have a viral infection, as viruses form long cellular chains unique to your cells.
b
You have a bacterial infection, as bacteria are simple prokaryotic cells - and you are not.
c
You have a fungal infection, as fungi are simple prokaryotic cells - as are you.
d
Impossible to determine from the information supplied.
Question 10
Some components of cells are listed.

Cytoplasm
Nucleus
Chloroplasts
Cell Wall
Cell membrane
Which of the components could be observed using a microscope in a prepared slide of leaf epidermal cells, but not in a prepared slide of human cheek cells?

a
Components 3 and 4 only
b
Components 1 and 5 only
c
Components 2 and 3 only
d
Components 1, 2, and 3 only
Question 11
In eukaryotic cells, the cytoplasm is contained within cells in the space between the _____ and the _____.

a
nucleus and the nuclear membrane, only
b
plasma membrane and the external glycoproteins
c
cell membrane and the nuclear membrane
d
cell membrane and the plasma membrane
Question 12
For sneaky snakes, being rude (R) is dominant to being respectful (r). Complete the cross below, and determine the phenotype (dominant : recessive) ratio.



R r
r #1 #2
r #3 #4
2 (#5) : 2( #6)

Column A
1.
#1:
#1
2.
#2:
#2
3.
#3:
#3
4.
#4:
#4
5.
#5:
#5
6.
#6:
#6
Column B
a.rude
b.sneaky
c.sweet
d.respectful
e.Rr
f.RR
g.rr
Question 13
What is recombinant DNA technology useful in producing?
a
clones
b
insulin and growth hormones
c
new organs for transplant
d
artificial hearts and kidneys
Question 14
Which of the following are found in all viruses?

What is the coronavirus? Virus science explained | Caltech Science Exchange

a
DNA, RNA, ribosomes, cell wall
b
Nucleus, ribosomes, cell wall
c
DNA or RNA and a protein coat
d
Cell membrane and ribosomes
Question 15
A chemical company produced a genetically engineered potato called the New Leaf Superior. This plant produces a chemical that repels insects that might eat the plant. The offspring of the plant will also produce the chemical. What is the most likely, possible, disadvantage of growing this type of potato?

Killer Potato: Potatohead

a
Increased bioluminescence/attraction to fireflies.
b
Significantly decreased harvest production of the potatoes.
c
Resistance developed to the chemical by harmful insects.
d
Decreased nutrient composition in crops.
Question 16
Match the following terms with the correct definition

Column A
1.
operator:
operator
2.
operon:
operon
3.
promoter:
promoter
4.
gel electrophoresis:
gel electrophoresis
5.
polymerase chain reaction:
polymerase chain reaction
Column B
a.the site on the DNA where a repressor protein binds and blocks the RNA polymerase from making mRNA.
b.the site on the DNA where RNA polymerase binds in order to start transcription.
c.a technique used to separate DNA fragments according to their size. DNA samples are loaded into wells (indentations) at one end of a gel, and an electric current is applied to pull them through the gel.
d.a method widely used in molecular biology to rapidly make millions to billions of copies of a specific DNA sample allowing scientists to take a very small sample of DNA and amplify it to a large enough amount to study in detail
e.a unit made up of linked genes which is thought to regulate other genes responsible for protein synthesis.
Question 17
The major organic macromolecules include all the following EXCEPT -->

Kool-Aid Man (Character) - Giant Bomb

a
lipids
b
proteins
c
nucleic acids
d
carbohydrates
e
water
Question 18
Kali designs a set-up to investigate germinating seeds. She fills a jar with seeds that have soaked in water.

In the jar, she places a beaker that contains a solution of bromothymol blue. Bromothymol blue turns green in the presence of carbon dioxide.

She will record observations on Day 1, wait 24 hours, and record again on Day 2.

Which question has Kali MOST LIKELY ASKED as she set up this investigation?

a
Do germinating peas release carbon dioxide in the process of respiration?
b
Do germinating peas release water in the process of photosynthesis?
c
Do germinating peas release oxygen in the process of respiration?
d
Do germinating peas absorb water in the process of photosynthesis?
Question 19
What is occurring in the G1 and G2 phases of a normal cell cycle?

a
nuclear division
b
growth
c
cell division
d
chromosome replication
Question 20
Type of reproduction that makes an identical copy of a parent cell is ________.

Rise of the Clones: 7 ways cloning is already happening - BBC Science Focus Magazine

a
internal fertilization
b
asexual reproduction
c
external fertilization
d
sexual reproduction
Question 21
Directions: The table lists the hair color and genotype of six individuals where black hair is dominant over blond. Use the table to answer any questions that follow.

HAIR COLOR
Name Hair color Alleles
Mr. Johnson black homozygous
Mrs. Johnson blond homozygous
Mr. Valdez blond heterozygous
Mrs. Valdez black heterozygous
Mr. Ellwood black heterozygous
Mrs. Ellwood blond homozygous


If Mr. and Mrs. Johnson had four children together, what color of hair would the children likely have?

a
All 4 of the children would have black hair.
b
Only 3 of the children would have black hair, and 1 child would have blond hair.
c
All 4 of the children would have blond hair.
d
Only 2 of the children would have black hair, and 2 of the children would have blond hair.
Question 22
Which tropism is characterized by the movement of a plant towards a water source?

a
Hydrotropism
b
Geotropism
c
Phototropism
d
Thigmotropism
Question 23
One advantage of asexual reproduction is...

a
parents can only create a few offspring
b
offspring is identical to parent
c
organisms can live longer
d
parents can create many offspring in a short amount of time.
Question 24
Tyra created a chart that compared DNA and RNA for her science class.

Tyra made a mistake while she was creating her chart. Which best identifies the mistake Tyra made?

a
DNA contains a ribose sugar while RNA contains a deoxyribose sugar.
b
DNA has bases of A, G, C, and U while RNA has bases of A, G, C, and T.
c
DNA remains in the nucleus while RNA leaves the nucleus.
d
DNA is single-stranded while RNA is double-stranded.
Question 25
Assume that two strands of DNA have been separated and that the base sequence on one strand is AGCC. What is the sequence of bases on the complimentary strand of DNA?

Pin on Animations

a
TACA
b
TCGG
c
AGCC
d
GCTT
Question 26
Which of the following statements is NOT part of the "Cell Theory"?



a
All cells arise from preexisting cells.
b
All living things or organisms are made of cells.
c
All cells arise spontaneously.
d
Cell is the basic structural and functional unit of life.
Question 27
is a specific type of diffusion; it is the passage of water from a region of higher water concentration through a semi-permeable membrane to a region of water concentration. Water moves in or out of a until its concentration is the same on both sides of the cell membrane. A cell in a pure water solution (hypotonic solution) would be expected to in volume due to the net flow of .

Sea Waves GIFs | Tenor

Word Bank:
passive transportfacilitated diffusionlowersaltosmosiswatersolutesactive transportendocytosiscellincreasesolutesdecreasehigher
Blank 1:
Blank 2:
Blank 3:
Blank 4:
Blank 5:
Question 28
Genetic variation in bacterial populations does NOT result from

a
transformation.
b
conjugation.
c
mutation.
d
meiosis.
Question 29
This human karyotype is unusual because chromosome set –



a
14 has enlarged centromeres
b
5 has chromosomes of different shapes
c
21 has an extra chromosome
d
10 is missing genetic material
Question 30
How many chromosome pairs are shown in a normal human karyotype?

a
2
b
23
c
44
d
46

Question 1: True

Question 2: Crossing over
Question 3: B
Question 4: D
Question 5: B, C, E
Question 6: 1. c, 2. b, 3. d, 4. a
Question 7: C
Question 8: B
Question 9: B
Question 10: A
Question 11: C
Question 12: 1. a, 2. g, 3. b, 4. c, 5. e, 6. d
Question 13: B
Question 14: C
Question 15: C
Question 16: 1. a, 2. e, 3. b, 4. c, 5. d
Question 17: E
Question 18: A
Question 19: B
Question 20: B
Question 21: A
Question 22: A
Question 23: D
Question 24: B
Question 25: D
Question 26: C
Question 27: 1. Osmosis, 2. Lower, 3. Cell, 4. Water, 5. Increases
Question 28: D
Question 29: C
Question 30: D