WorksheetsDCAS Prep
Total questions: 46
Worksheet time: 1hrs 18mins
Name
Class
Date
1.
What does "biology" mean?
a)
the study of life
b)
biodiversity
c)
all science
d)
the study of animals
2.
What makes an enzyme substrate specific?
a)
Size
b)
Shape
c)
Name
d)
Location it is found in
3.
Which of the following conclusions can be drawn from this graph?
a)
The optimum pH of the enzyme is 6.6.
b)
The optimum pH of the enzyme is 5.8
c)
The enzyme’s activity increases as pH increases 5.0 to 9.0
d)
The enzyme’s activity is greater around pH of 8.0 .
4.
The part of the enzyme that the substrate bonds to is called the _____.
a)
active site
b)
activation energy
c)
bond site
d)
peptide bond
5.
Which is NOT true?
a)
Enzymes speed up chemical reactions
b)
Enzymes react best at a specific temperature
c)
Enzymes only control ONE type of reaction
d)
Enzymes are made of lipids
6.
The raw materials or reactants of photosynthesis are
a)
sugar and water.
b)
sugar and oxygen.
c)
carbon dioxide and water.
d)
carbon dioxide and oxygen.
7.
What are the products of photosynthesis?
a)
Carbon dioxide and water
b)
Carbon dioxide and oxygen
c)
Glucose and oxygen
d)
Glucose and water
8.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
9.
What are the raw materials for cellular respiration?
a)
oxygen and water
b)
oxygen and glucose
c)
glucose and carbon dioxide
d)
water and carbon dioxide
10.
What are the products of cellular respiration?
a)
glucose, carbon dioxide, and ATP energy
b)
glucose and carbon dioxide
c)
carbon dioxide and water
d)
carbon dioxide, water, and ATP energy
11.
Where does cellular respiration take place?
a)
nucleus
b)
chloroplast
c)
mitochondria
d)
vesicle
12.
The process that gets energy from food when oxygen is present is
a)
ATP synthase
b)
cellular respiration
c)
photosynthesis
d)
synthesis
13.
What structure is in plant cells but not animal cells.
a)
cell membrane
b)
mitochondria
c)
cell wall
d)
vacuole
14.
This structure regulates the passage of water, food and waste into and out of the cell.
a)
nucleus
b)
vacuole
c)
cytoplasm
d)
cell membrane
15.
Where the genetic material is found in the cell
a)
nucleolus
b)
cytoplasm
c)
nucleus
d)
chloroplast
16.
food making structure of plant cells
a)
chloroplasts
b)
cell wall
c)
cytoplasm
d)
vacuole
17.
The dominant trait as seen in this punnett square is
a)
yellow pea seeds
b)
green pea seeds
c)
there is no dominant seed
d)
Jolly green giant
18.
What are the possible genotypes for this cross?
a)
TT = 25% Tt= 50% tt=25%
b)
all tall
c)
TT= 75% tt = 25%
d)
Tt = 100%
19.
What term describes what you see, or the physical appearance.
a)
Genotype
b)
Phenotype
c)
Homozygous
d)
Heterozygous
20.
HH crossed with Hh. What is the probability of hh?
a)
0%
b)
25%
c)
50%
d)
100%
21.
What does heterozygous mean?
a)
An organism that has the same genes for a trait (TT or tt)
b)
An organism that has different genes for a trait (Tt)
c)
When neither gene is fully dominant; offspring is a mixture of both
d)
the different forms of a trait (hair color--> brown, blonde, red
22.
A human usually has _____ total chromosomes.
a)
6
b)
22
c)
4
d)
46
23.
Which of the following alleles is homozygous recessive?
a)
Tt
b)
tt
c)
TT
d)
T
24.
Which of the following is a phenotype?
a)
Aa
b)
red hair
c)
heterozygous
d)
DNA
25.
The nitrogen base adenine is always paired with the nitrogen base ____________.
a)
cytosine
b)
guanine
c)
thymine
d)
nitrogen
26.
The two process that make up protein synthesis are
a)
DNA replication and translation
b)
DNA replication and transcription
c)
transcription and translation
d)
none of the above
27.
Which nitrogen base does RNA have that DNA does not?
a)
Thymine
b)
Adenine
c)
Uracil
d)
Cytosine
28.
Which sequence of DNA bases would pair with this partiaal strand
ATG TGA CAG
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
29.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
30.
Which 2 molecules form the sides (backbone) of the DNA ladder?
a)
deoxyribose and adenine
b)
deoxyribose and a hydrogen bond
c)
sugar and the nucleus
d)
deoxyribose (sugar) and phosphate
31.
In the middle of the DNA strand, the bases (ATCG) are held together by what type of bond?
a)
polar bonds
b)
ionic bonds
c)
covalent bonds
d)
hydrogen bonds
32.
Any change in the sequence of DNA nucleotides or chromosomes is called a
a)
mutation
b)
single genotype
c)
monohybrid trait
d)
transgenic shift
33.
Nucleotides are made up of a sugar, phosphate, and..?
a)
nitrogenous base
b)
nucleic acid
c)
cholesterol
d)
fatty acid
34.
Modern Humans are classified as which species?
a)
Homo habilis
b)
Homo neanderthalensis
c)
Homo sapiens
d)
Hominid
35.
What are the major forms of evidence that support the theory of evolution?
a)
Fossil Records
b)
DNA Similarities
c)
Homologous (similar) structure
d)
All the above
36.
What is the definition of "weight"?
a)
the force in which gravity pulls on an object
b)
the time it takes to get on a ride
c)
the amount of matter in an object
d)
the size of an object
37.
This is the amount of "stuff" in an object
a)
weight
b)
gravity
c)
mass
d)
volume
38.
The mass of an object _______ as it moves away from the center of Earth
a)
stays the same
b)
decreases
c)
increases
d)
doubles
39.
On which celestial object would your mass be the greatest?
a)
Earth
b)
Jupiter
c)
Sun
d)
Your mass doesn't change on different celestial objects
40.
Nucleus
a)
control freak
b)
big boy organelle
c)
control center
d)
powerhouse
41.
Mitochondria
a)
Sugar shack
b)
Powerhouse
c)
control center
d)
Detoxifier
42.
Ribosomes
a)
Protein destruction
b)
Powerhouse
c)
Protein synthesis
d)
lipid synthesis
43.
Cell Membrane
a)
Lets Things In And Out
b)
Controls The Cell
c)
Makes Energy
d)
Poops
44.
Ribosomes
a)
Makes Energy
b)
Makes Protien
c)
Makes Nucleolus
d)
Says Hi
45.
Vacuoles
a)
Stores Water
b)
Provides Support
c)
Makes Energy
d)
Lets Things In
46.
Chloroplasts
a)
Makes Energy For Plant Cell
b)
Makes Protein
c)
Interphase
d)
Prophase
100 %
