WorksheetsIB Bio D3.1
Total questions: 44
Worksheet time: 25mins
Name
Class
Date
1.
What is the function of a plasmid?
a)
The site of respiration in prokaryotes
b)
The site of photosynthesis in eukaryotes
c)
The site of protein synthesis in prokaryotes and eukaryotes
d)
The site of hereditary material in prokaryotes
2.
Which cell structure is correctly paired with its primary function?
a)
ribosome - movement
b)
mitocondrion - energy production
c)
vacuole - cell division
d)
nucleus - storage of nutrients
3.
A chromatid is attached to a spindle fiber by the
a)
centriole
b)
cleavage furrow
c)
centromere
d)
centriole
4.
Pancreas cells and muscle cells from the same person are ______ and differ in their _____:
a)
undifferentiatied, genes
b)
differentiated, alleles
c)
differentiated, gene expression
d)
stem cells, protein synthesis
5.
Identify the phase of mitosis
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
6.
The spreading of cancerous cells is called
a)
metastasis
b)
carcinogenesis
c)
angiogenesis
d)
homeostasis
7.
Which ratio limits the size of cells?
a)
The rate of metabolism to mass
b)
The surface area to volume
c)
The mass to volume
d)
The volume to surface area
8.
Stem cells are
a)
cells that grow uncontrollably
b)
undifferentiated and can form any type of cell
c)
never go through cell division
d)
only found in embryos
9.
Why were mitochondria and chloroplasts once believed to be prokaryotic organisms?
a)
They both contain ribosomes and a plasma membrane.
b)
They both contain their own DNA and reproduce by binary fission.
c)
They both contain DNA found in modern bacteria and reproduce sexually.
d)
They both contain their own nuclei and plasma membranes.
10.
Which is Prophase?
a)
A
b)
F
c)
C
d)
A & F
11.
Which process requires protein but not ATP?
a)
simple diffusion
b)
facilitated diffusion
c)
endocytosis
d)
active transport
12.
A electronmicrograph of a tissue is accompanied by a scale bar which represents 1 µm. The scale bar is 10 mm long. What is the magnification of this electronmicrograph?
a)
10X
b)
1,000X
c)
10,000X
d)
1,000,000X
13.
Name the structure that forms at the end of telophase in a plant cell
a)
Cell wall
b)
Cleavage Furrow
c)
Cell Plate
d)
Spindle fibers
14.
the uncontrolled division of cells that results in malignant growth
a)
tissues
b)
cancer
c)
mitosis
d)
anaphase
15.
The stage where chromosomes condense and the nucleus is visible
a)
Prophase
b)
metaphase
c)
anaphase
d)
Telephase
16.
Stem cells can be obtained from
a)
embryos
b)
some adult tissues
c)
umbilical cord blood
d)
all of the above
17.
The longest phase of the cell cycle
a)
prophase
b)
interphase
c)
metaphase
d)
mitosis
18.
The width of a human hair is 0.1 mm. What is the width in μm?
a)
10 μm
b)
100 μm
c)
1000 μm
d)
10 000 μm
19.
Which statement is part of the cell theory?
a)
Cells are composed of organic molecules
b)
Cells have DNA as their genetic material
c)
Cells have cytoplasm surrounded by a membrane
d)
Cells come from pre-existing cells
20.
A red blood cell is 8 μm in diameter. If drawn 100 times larger than its actual size, what diameter will the drawing be in mm?
a)
0.08 mm
b)
0.8 mm
c)
8 mm
d)
80 mm
21.
If a cell bathed in a salt solution loses mass, the osmolarity of the cell would be ___ to the solution
a)
hypertonic
b)
hypotonic
c)
equal
d)
cannot be determined
22.
How do the ribosomes of prokaryotic and eukaryotic cells differ?
a)
Their size
b)
Their function
c)
The raw materials they utilize
d)
The process by which they are synthesized
23.
Which characteristic applies to all prokaryote cells?
a)
They have a nucleus.
b)
They have chlorophyll.
c)
They have mitochondria.
d)
They have ribosomes.
24.
Which cellular structure(s) is (are) found in both a plant cell and an animal cell?
I. Cell wall
II. Chloroplast
III. Mitochondrion
I. Cell wall
II. Chloroplast
III. Mitochondrion
a)
I only
b)
I and II only
c)
I and III only
d)
III only
25.
I make ATP for the cell. What am I?
a)
ribosome
b)
mitochondrion
c)
chloroplast
d)
lysosome
26.
Which of the following is not found in a prokaryotic cell?
a)
cytoplasm
b)
nuclear membrane
c)
DNA
d)
enzymes
27.
What is this?
a)
mitochondria
b)
golgi apparatus
c)
chloroplast
d)
endoplasmic reticulum
28.
Which is evidence AGAINST the Davson-Danielli membrane model?
a)
thickness of membrane
b)
asymmetric pattern from freeze fracture
c)
visible three layers on electron micrographs
d)
analysis of protein-phospholipid ratio
29.
After mitosis and cytokinesis, a parent cell that is 2n=14, will have produced:
a)
2 cells, 2n=14
b)
2 cells, n=7
c)
4 cells, 2n=14
d)
4 cells, n=7
30.
Carbon Dioxide is in high concentration in the body cells and moves with the concentration gradient into the blood stream by this process...
a)
Facilitated Diffusion
b)
Simple Diffusion
c)
Active Transport
d)
Osmosis
31.
Which process is directly responsible for production of SECONDARY tumours?
a)
metastatsis
b)
emergence of oncogenes from proto-oncogenes
c)
exposure to mutagens
d)
increased cell division
32.
In Stargardt's, the affected cells are NOT:
a)
in the retina
b)
immune cells
c)
photosensitive
d)
cones
33.
Pasteur's experiment provided evidence against:
a)
natural selection
b)
spontaneous generation
c)
homeostasis
d)
endosymbiosis
34.
Which is not part of the endosymbiotic theory?
a)
symbiotic relationship between two species
b)
endocytosis of a prokaryote
c)
origin of chloroplasts
d)
origin of the nucleus
35.
Which gas was believed to be absent from early Earth's atmosphere
a)
Hydrogen
b)
Nitrogen
c)
Oxygen
d)
Carbon
36.
I am a protein packaging and shipping machine! Who am I?
a)
vacuole
b)
ribosome
c)
endoplasmic reticulum
d)
golgi apparatus
37.
Which of the following is not a function performed by a membrane protein?
a)
Hormone-binding sites
b)
Cell adhesion
c)
Enzyme synthesis
d)
Pumps for active transport
38.
Which of the following take(s) place during either interphase or mitosis in animal cells?
I. Re-formation of nuclear membranes
II. Pairing of homologous chromosomes
III. DNA replication
I. Re-formation of nuclear membranes
II. Pairing of homologous chromosomes
III. DNA replication
a)
I only
b)
I and II only
c)
II and III only
d)
I and III only
39.
This picture represents what type of cell transport?
a)
endocytosis
b)
exocytosis
c)
osmosis
d)
passive transport
40.
The concentration of water is higher in the soil than in plant root cells. Water moves into root cells of a plant by...
a)
Facilitated Diffusion
b)
Simple Diffusion
c)
Active Transport
d)
Osmosis
41.
What type of transport is this?
a)
facilitated diffusion
b)
active transport
c)
diffusion
d)
osmosis
42.
What is "g" pointing to?
a)
peripheral protein
b)
integral protein
c)
fatty acid chain
d)
phospholipid
43.
Which letter would be hydrophobic?
a)
h
b)
a
c)
b
d)
g
44.
What is "a" pointing to?
a)
glycoprotein
b)
glycolipid
c)
integral protein
d)
phosphate head
100 %
