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Life Science Q1 & Q2 Review Flashcards | StudBud
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Life Science Q1 & Q2 Review
Life Science Q1 & Q2 Review
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Answers
1
What do you call a cell that has no nucleus?
prokaryote
autotroph
eukaryote
heterotroph
2
What is the correct levels of cellular organization?
cells - systems - tissues - organs
cells - tissues - organs - systems
organs - systems - cells - tissues
cells - organs- systems - tissues
3
The basic unit of all living things
Cell
Atom
Cell wall
Cell theory
4
The advances in microscope technology helped with the development of the Cell Theory.
True
False
5
What adds structure to the plant cell, and provides protection?
mitochondria
cell membrane
cytoplasm
cell wall
6
What type of symmetry does this organism have?
bilateral
none
radial
7
What makes food for plant cell; place where photosynthesis takes place?
golgi bodies
vacuole
chloroplast
cytoplasm
8
Which of the following is NOT part of the Cell Theory?
cells are neither created or destroyed
all living things are made up of one or more cells
cells come only from other living cells
cells are the basic units of structure in living things
9
The function of DNA is to:
store hereditary information that is used to make proteins
hang out in the nucleus and run the chloroplasts
take care of how the mitochondria do their jobs
All of these
10
Reptiles have bones, scales and lay eggs on land.
True
False
11
Ferns are vascular plants>
False
True
12
What is the structure of DNA?
double helix
No structure present
linear
square
13
What is the gate keeper, allowing things in and out of the cell?
cytoplasm
cell wall
cell membrane
vacuole
14
Halococcus: unicellular, prokaryotic, in extremely salty places that nothing else can live in.
Protist
Archaea
Animal
Fungi
15
These are organisms such as mushrooms and bacteria that break down tissues of dead organisms.
Decomposers
Arachnids
Sea Creatures
Mosses
16
An advantage of
sexual
reproduction is that....
the offspring produces are identical to the parent.
the offspring have very little genetic diversity.
the offspring are very genetically diverse.
it produces a lot of offspring very quickly.
17
Where in the cell is DNA found?
Nucleus
Vacuole
Mitochondria
Ribosomes
18
Punnett Squares are used
to make chocolate brownie cakes
to solve mathematical word problems
to make predictions of genetic outcomes of an offspring
to determine parent genotypes
19
How many cell divisions occur in Mitosis?
4
1
3
2
20
Salmonella is a unicellular prokaryote that causes food poisoning. Which kingdom?
Fungi
Bacteria
Protist
Virus
21
A sea star demonstrates this kind of asexual reproduction.
Fragmentation/Regeneration
Bimary Fission
Mitosis
Budding
22
What is pollination?
A fertilized egg produced by the joining of egg and sperm.
Reproductive structure of gymnosperms.
Transfer of pollen from male to female reproductive structures in plans.
A plant structure in seed plants that contains the egg cell.
23
Living things grow by increasing their number cells through mitosis.
False
True
24
Homozygous recessive should be represented as?
hh
HH
hH
Hh
25
What type of symmetry does this organism have?
radial
bilateral
asymmetrical
26
Which domain contains membrane-bound organelles?
archaea
bacteria
eukarya
27
A scientific name is created by joining which two levels of classification?
Genus and Domain
Family and Phylum
Genus and Species
Species and Class
28
How do bacteria reproduce?
fission
sexual reproduction
invading a host cell
29
Is this cell prokaryotic or eukaryotic?
eukaryotic
prokaryotic
30
Unicellular or Multicellular?
Multicellular
Unicellular
31
Identify the dependent variable in this experiment.
The amount of sunlight.
The height of the plant.
The type of plant.
The type of soil.
32
Identify the independent variable in this experiment.
Amount of sunlight.
The type of soil.
The height of the flower.
The type of plant.
33
What are the two branches of seeded plants?
gymnosperms and angiosperms
xylem and phloem
monocots and dicots
vascular and bryophytes
34
How are fungi different from plants?
Fungi do not make their own food.
Fungi are made of many cells.
Fungi need dead wood to make food.
35
What does a eukaryote have that a prokaryote does not?
Cell Membrane
DNA
Ribosomes
Nucleus
36
This picture shows what type of cell division?
fertilization
crossing over
mitosis
meiosis
37
What is the outcome of mitosis?
3 diploid cells
2 identical diploid cells
3 haploid cells
4 identical haploid cells
38
What type of symmetry does this organism have?
radial
none
bilateral
39
Seedless plants reproduce from a tiny cell called a _________________.
spore
seed
flower
cone
40
True or False? Protists are prokaryotic.
False
True
41
What is incomplete dominance?
neither allele is fully dominant nor fully recessive
the alleles are both fully recessive
the alleles are both fully dominant
42
Are cells at the end of Mitosis different or identical to the parent cell?
Different
Identical
43
Amphibians have ___________.
smooth, moist skin
dry, scaly skin
scales and slime covering their bodies
44
A fern releases spores. Spores grows into new ferns.
Sexual
Asexual
45
place where cell stores water and food (larger in plant cell)
lysosome
cytoplasm
chloroplast
vacuole
46
What does Cytosine pair with?
Cytosine
Adenine
Thymine
Guanine
47
What type of cell is displayed in this sample?
bacterial
animal cell
plant cell
fungal
48
Unicellular or Multicellular?
Unicellular
Multicellular
49
Camelus dromedarius is the scientific name for a camel. What is a camel's genus?
Dromedarius
camelus
Camel
Camelus
50
What is used to kill bacteria?
vaccines
antivirus
antibiotics
love
51
An advantage of
asexual
reproduction is that....
it produces many offspring very quickly.
the offspring are different from the parents.
the offspring have a lot of genetic diversity.
most large organisms reproduce this way.
52
If tongue rolling is a dominant trait, what percent of these offspring can roll their tongue?
75%
100%
50%
25%
53
The part of the experiment that serves as a standard for comparison (without the IV) is the
dependent variable
experimental group
constants
control group
54
This type of cell has membrane-bound organelles.
animal cell
eukaryote
cell wall
prokaryote
55
Organisms that create viable, fertile offspring when they reproduce.
Genus
Phylum
Species
Kingdom
56
In a Punnett square, a capital letter represents...
Dominant allele
Phenotype
Genotype
Recessive allele
