Author: Biology Junction Team

Quiz Homeostasis

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Homeostasis

 

 

True/False
Indicate whether the sentence or statement is true or false.
1.
Diffusion is an active process that requires a cell to expend a great deal of energy.
2.
During diffusion, molecules diffuse from a region where their concentration is low to a region where their concentration is higher until they are evenly dispersed.
3.
A cell placed in a strong salt solution would probably burst because of an increase in osmotic pressure.
4.
When the concentration of solutes outside the cell is equal to the concentration of solutes inside the cell, the cell solution is isotonic relative to its environment.
5.
Diffusion occurs only in living systems.
6.
The transport of specific particles through a membrane by carrier proteins is known as facilitated diffusion.
7.
Ion channels are usually able to transport only one type of ion.
8.
Facilitated diffusion moves molecules and ions in one direction only, while active transport moves them in two directions.
9.
In active transport, energy is required to move a substance across a cell membrane.
10.
Both the sodium-potassium pump and the proton pump require energy to move particles across the cell membrane.
11.
The sodium-potassium pump moves sodium and potassium ions against the concentration gradient.
12.
Exocytosis helps the cell rid itself of wastes.
13.
During the process of exocytosis, the cell membrane extends to engulf substances that are too big to pass through the cell membrane.
 

Completion
Complete each sentence or statement.
14.
Active transport systems are a form of cell transport that requires energy from molecules of ____________________.
15.
____________________ allows a cell to stockpile substances in far greater concentrations than they occur outside the cell.
16.
The transport of food into cells involves the action of the sodium-potassium pump and ____________________ channels.
      quiz_homeostasis_files/i0190000.jpg
                  A                                    B
17.
Refer to the illustration above. The process shown in figure “B” is called ____________________.
18.
Refer to the illustration above. Cells often trap extracellular particles and fluid. This is shown in figure ____________________.
19.
The process in which an amoeba engulfs its prey and takes it in is known as ____________________.


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Quiz Protein Synthesis

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Protein Synthesis

 

 

Completion
Complete each sentence or statement.
1.
In eukaryotes, gene expression is related to the coiling and uncoiling of ____________________.
2.
A DNA subunit composed of a phosphate group, a five-carbon sugar, and a nitrogen-containing base is called a(n) ____________________.
3.
The name of the five-carbon sugar that makes up a part of the backbone of molecules of DNA is ____________________.
4.
Knowing the order of the bases in a gene permits scientists to determine the exact order of the amino acids in the expressed ____________________.
5.
Due to the strict pairing of nitrogen base pairs in DNA molecules, the two strands are said to be ____________________ to each other.
6.
According to base-pairing rules, adenine pairs with ____________________ and guanine pairs with ____________________.
7.
The enzyme that is responsible for replicating molecules of DNA by attaching complementary bases in the correct sequence is ____________________.
8.
Enzymes called ____________________ are responsible for unwinding the DNA double helix by breaking the hydrogen bonds that hold the complementary strands together.
9.
The process by which DNA copies itself is called ____________________.
10.
Molecules of ____________________ carry instructions for protein synthesis from the nucleus to the cytoplasm.
11.
The nitrogen-containing base that is found only in RNA is ____________________.
12.
The enzyme responsible for making RNA is called ____________________.
13.
The form of ribonucleic acid that carries genetic information from the DNA to the ribosomes is ____________________.
14.
A ____________________ is a sequence of DNA at the beginning of a gene that signals RNA polymerase to begin transcription.
15.
Messenger RNA is produced during the process of ____________________.
16.
Of the 64 codons of mRNA, 61 code for ____________________, 3 are ____________________ signals, and one is a ____________________ signal.
17.
Nucleotide sequences of tRNA that are complementary to codons on mRNA are called ____________________.
18.
The sequence of three nucleotides that code for specific amino acids or stop signals in the synthesis of protein is called a(n) ____________________.
19.
The information contained in a molecule of messenger RNA is used to make protein during the process of ____________________.
20.
During translation, amino acids are brought to the ribosomes by molecules of ____________________.

 
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Biomes of the World

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T S O V C D A R P R L V T T S
Q S L U E I E B E G A L U D R
X T E S S M T T I V D E N B T
N A E R U E A O V O I M D H K
Z R U S O W R J I N T O R E R
T M N T H F C O H B R I A R E
S O L S N H N A V C E B C B C
C P E R F K Q I R I T A F I U
N R S A V A N N A N N Y C V D
F E N I R A M F D R I M U O O
G R A S S L A N D Z A V O R R
S U O U D I C E D G N J O E P
O H Z G L J Y X I B Y X F R W
U C T C T N Y A Q B A J S U E
X N B S O O T D E K P T N B X

Find each term and then number and define it on the back of this sheet.

 

ABIOTIC BIOME BIOTIC
CARNIVORE CONSUMER DECIDUOUS
DESERT FRESHWATER GRASSLAND
HERBIVORE INTERTIDAL MARINE
OMNIVORE PRODUCER RAINFOREST
SAVANNA TAIGA TUNDRA

 

 

 

 

 

Seed Plants

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Seed Plants

 

 

True/False
Indicate whether the sentence or statement is true or false.
1.
Tracheids and sieve tubes make up a xylem vessel.
2.
The main function of ground tissue is to conduct water and minerals.
3.
Vascular tissue is found within ground tissue, which makes up the outside of the plant.
4.
The outer protective layer of tissue on a vascular plant is known as the meristem.
5.
Monocot stems cannot become large in diameter because they lack lateral meristems.
6.
The loss of water by transpiration at the leaves helps pull water into the plant at the roots.
7.
The blade of a compound leaf is divided into leaflets.
8.
Many gymnosperms, such as pine, spruce, and fir trees, produce their seeds in cones.
9.
The flowers of angiosperms are ornamental and have no reproductive function.
10.
Brightly colored petals, scents, and nectar are all adaptations of flowers that help ensure pollination.
11.
Plants with colorful flowers are pollinated most commonly by wind.
 

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
12.
The conducting cells of phloem are called
a.
tracheids.
c.
sieve plates.
b.
sieve tube members.
d.
vessel elements.
13.
Plants grow in regions of active cell division called
a.
meristems.
c.
phloem.
b.
xylem.
d.
dermal tissue.
14.
The lengthening of plant roots and shoots is called
a.
secondary growth.
c.
primary growth.
b.
germination.
d.
vascular growth.
seed_plants_files/i0170000.jpg
15.
Refer to the illustration above. The structure indicated at “f”
a.
supports the anther.
b.
produces pollen.
c.
has tiny structures that look like leaves.
d.
develops into a fruit.
16.
Refer to the illustration above. The structure labeled “c”
a.
produces pollen.
c.
is sticky to the touch.
b.
contains sperm cells.
d.
contains meristematic tissue.
17.
The process of transferring pollen from a male cone to a female cone in gymnosperms is called
a.
fertilization.
c.
pollination.
b.
seed formation.
d.
asexual reproduction.
18.
If a plant’s flowers are very colorful and produce nectar, the plant is probably pollinated by
a.
water.
c.
insects.
b.
wind.
d.
self-pollination.
19.
Fertilization
a.
involves the union of the egg and sperm.
b.
may not follow pollination at all.
c.
may not occur until weeks or months after pollination has taken place.
d.
All of the above
20.
After an egg has been fertilized, a fruit develops from the
a.
style.
c.
ovule.
b.
ovary.
d.
sepal.

 
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Quiz Genetics

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Genetics

 

 

True/False
Indicate whether the sentence or statement is true or false.
1.
Genetics is the branch of biology that involves the study of how different traits are transmitted from one generation to the next.
2.
Mendel discovered predictable patterns in the inheritance of traits.
3.
The scientific study of heredity is called genetics.
4.
In Mendel’s experiments with the flower color of pea plants, only the parental generation produced white flowers.
5.
Mendel concluded that the patterns of inheritance are determined entirely by the environment.
6.
The law of independent assortment was proposed by Mendel to explain his observations of inheritance patterns.
7.
Genes on chromosomes are the units of inheritance.
8.
The allele for a recessive trait is usually represented by a capital letter.
9.
Heterozygous individuals have two of the same alleles for a particular gene.
10.
A probability of 1/4 is equal to a probability of 75 percent.
11.
The dominant allele for tallness in pea plants is represented by the letter t.
12.
In codominance, two alleles are expressed at the same time.
13.
All genes have only two alleles.
14.
A dihybrid cross involves two pairs of contrasting traits.
15.
Crosses involving a study of one gene are called monohybrid crosses.
 

Completion
Complete each sentence or statement.
16.
A reproductive process in which fertilization occurs within a single plant is ____________________.
17.
Mendel produced strains of pea plants through the process of ____________________.
18.
____________________ refers to the transmission of traits from parent to offspring in sexually reproducing organisms.
19.
In heterozygous individuals, only the ____________________ allele achieves expression.
20.
A trait that is not expressed in the F1 generation resulting from the crossbreeding of two genetically different, true-breeding organisms is called ____________________.
21.
The principle that states that one factor may mask the effect of another factor is the principle of ____________________.
22.
In Mendel’s experiments, a trait that disappeared in the F1 generation but reappeared in the F2 generation was always a ____________________.
23.
The cellular process that results in the segregation of Mendel’s factors is ____________________.
24.
Mendel formulated two principles known as the laws of ____________________.
25.
An organism that has two identical alleles for a trait is called ____________________.
26.
An organism’s ____________________ refers to the set of alleles it has inherited.
27.
The likelihood that a specific event will occur is called ____________________.
In pea plants, tallness (T) is dominant to shortness (t). Crosses between plants with these traits can be analyzed using a Punnett square similar to the one shown below.
T
t
T
1
2
t
3
4
28.
Refer to the illustration above. The parents shown in the Punnett square could have offspring with a genotype ratio of ____________________.
29.
Refer to the illustration above. The phenotype of the plant that would be represented in box “4” of the Punnett square would be ____________________.
30.
A cross involving two pairs of contrasting traits is a(n) ____________________ cross.

 
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