WorksheetsChapter 2
Total questions: 45
Worksheet time: 34mins
Name
Class
Date
1.
All of the following are part of a prokaryotic cell EXCEPT _____.
a)
a cell wall
b)
a plasma membrane
c)
ribosomes
d)
an endoplasmic reticulum
2.
Which of the following is a major difference between prokaryotic cells and eukaryotic cells?
a)
Prokaryotes have cells while eukaryotes do not.
b)
Eukaryotic cells have more intracellular membrane-bound organelles than prokaryotes.
c)
Prokaryotes are not able to carry out aerobic respiration, relying instead on anaerobic metabolism
d)
Prokaryotes are generally larger than eukaryotes
3.
Which structure is common to plant and animal cells?
a)
chloroplast
b)
central vacuole
c)
mitochondrion
d)
centriole
4.
Which of the following is present in a prokaryotic cell?
a)
mitochondrion
b)
ribosome
c)
chloroplast
d)
ER
5.
In a bacterium, we will find DNA in
a)
a membrane-enclosed nucleus
b)
mitochondria
c)
the nucleoid
d)
ribosomes
6.
Which organelle or structure is absent in plant cells?
a)
mitochondria
b)
microtubules
c)
centrosomes
d)
peroxisomes
7.
Which of the following is not the features of Prokaryotic?
a)
Circular DNA with histone protein
b)
Cell wall consists of Peptidoglycan
c)
Simple flagella
d)
Protein synthesized in small ribosomes
8.
Singer and Nicolson's fluid mosaic model of the membrane proposed that membranes_____.
a)
are a phospholipid bilayer between two layers of hydrophilic proteins
b)
are a single layer of phospholipids and proteins
c)
consist of protein molecules embedded in a fluid bilayer of phospholipids
d)
consist of a mosaic of polysaccharides and proteins
9.
According to the fluid mosaic model of cell membranes, phospholipids _____.
a)
can move laterally along the plane of the membrane
b)
frequently flip-flop from one side of the membrane to the other
c)
occur in an uninterrupted bilayer, with membrane proteins restricted to the surface of the membrane
d)
have hydrophilic tails in the interior of the membrane
10.
Which of these are NOT embedded in the hydrophobic portion of the lipid bilayer at all?
a)
transmembrane proteins
b)
integral proteins
c)
peripheral proteins
d)
All proteins are embedded in the hydrophobic portion of the lipid bilayer
11.
All the organelles below can be found in plant cell EXCEPT?
a)
cell wall
b)
chloroplast
c)
centriole
d)
ribosome
12.
Animal cells can be distinguished from plant cells easily because of which of the following?
a)
Animal cells have mitochondria and plant cells do not
b)
Plant cells have lysosomes and animal cells do not
c)
Only plant cells have centrioles around their nucleus
d)
Only plant cells have large central vacuoles and cell walls
13.
Jaden observes a cell in biology lab with the light microscope. The cell has the following structures: nucleus, cell wall, and chloroplast. Identify the type of cell that Jaden is observing
a)
animal
b)
plant
c)
fungus
d)
bacteria
14.
What does bilayer mean?
a)
one layer
b)
two layers
c)
laminated
d)
bilateral
15.
Why the membrane is called as ‘fluid’?
a)
because the membrane is full of water
b)
because the phospholipid and protein can move laterally
c)
because the phospholipid is not rigid
d)
because the membrane is hydrophilic
16.
What is the function of smooth endoplasmic reticulum?
a)
site for protein synthesis
b)
site for lipid and drug metabolisms
c)
modifying, packaging, sorting and transport proteins and lipid
d)
site of aerobic respiration
17.
What is the function of Golgi apparatus?
a)
site for protein synthesis
b)
site for lipid and drug metabolisms
c)
modifying, packaging, sorting and transport proteins and lipid
d)
site of aerobic respiration
18.
Categorization of epithelial tissue is based on…
a)
function
b)
type of matrix
c)
structural modification
d)
non voluntary or voluntary action
19.
In which tissue cells, lacunae may contain one or two nuclei?.
a)
Cartilage
b)
Bone
c)
Smooth muscle
d)
Blood
20.
Nodes od Ranvier are found in
a)
Cardiac muscle
b)
Stratified squamous epithelium
c)
Motor neuron
d)
Hyaline cartilage
21.
Bone acts as a reservoir for which of the following elements?
a)
Nitrogen
b)
Carbon
c)
Calcium
d)
Hydrogen
22.
Blood cells that transport oxygen within the body are the__
a)
Plasma
b)
Erythrocyte
c)
Leukocytes
d)
Platelets
23.
End of two bones are connected by
a)
Simple columnar
b)
Skeletal muscles
c)
Smooth muscles
d)
Hyalin cartilage
24.
Intercalated discs are found in
a)
Between neurons
b)
In cardiac muscles
c)
At the junction of muscles and nerves
d)
In skeletal muscles
25.
Without this cell, blood clotting is not possible to occur
a)
Erythrocytes
b)
Platelets
c)
Plasmacytes
d)
Leukocytes
26.
This tissue allows diffusion and filtration to occur at highest rate.
a)
Simple columnar epithelium
b)
Simple squamous epithelium
c)
Pseudostratified epithelium
d)
Stratified squamous epithelium
27.
Which of the following is NOT a ground tissue
a)
Tracheid
b)
Sclereid
c)
Collenchyma
d)
Parenchyma
28.
Which type of tissue has lignified cell walls?
a)
Parenchyma
b)
Collenchyma
c)
Companion cell
d)
Sclerenchyma
29.
Collenchyma are characterized by the presence of
a)
elongated cells with deposits of cellulose and pectin uniformly in cell wall
b)
isodiametric cells with deposits of cellulose and pectin at the corners of cell wall
c)
elongated cells with thickening at the corners of cell wall
d)
isodiametric cells with thickening all over the wall
30.
Which tissues provides maximum mechanical strength to the plant?
a)
Parenchyma
b)
Xylem
c)
Collenchyma
d)
Phloem
31.
The tissues which has dead cells in the functional state is
a)
Collenchyma
b)
Parenchyma
c)
Phloem
d)
Sclerenchyma
32.
Which of the following is an element for water conducting tissues?
a)
Vessel element
b)
Companion cell
c)
Sieve tube
d)
Colllenchyma
33.
Name the tissue where cells are living, thin-walled, isodiametric with intercellular spaces
a)
Cambium
b)
Collenchyma
c)
Parenchyma
d)
Sclerenhyma
34.
The simple tissue consisting of living cells and providing mechanical strength to plants is
a)
Sclerenchyma
b)
Phloem
c)
Collenchyma
d)
Tracheid
35.
What kinds of molecules pass through a cell membrane most easily?
a)
large and hydrophobic
b)
small and hydrophobic
c)
large polar
d)
ionic
36.
Simple diffusion _____.
a)
is very rapid over long distances
b)
requires an expenditure of energy by the cell
c)
is a passive process in which molecules move from a region of higher concentration to a region of lower concentration
d)
requires integral proteins in the cell membrane
37.
Which of the following is true of osmosis?
a)
Osmosis only takes place in red blood cells
b)
Osmosis is an energy-demanding or "active" process.
c)
In osmosis, water molecules moves across a membrane from areas of lower solute concentration to areas of higher solute concentration.
d)
In osmosis, solutes move across a membrane from areas of lower water concentration to areas of higher water concentration.
38.
A sodium-potassium pump _____.
a)
moves three potassium ions out of a cell and two sodium ions into a cell while producing an ATP for each cycle
b)
move three sodium ions out of a cell and two potassium ions into a cell while consuming an ATP for each cycle
c)
moves three potassium ions out of a cell and two sodium ions into a cell while consuming ATP in each cycle
d)
move three sodium ions out of a cell and two potassium ions into a cell and generates an ATP in each cycle
39.
Ions diffuse across membranes through specific ion channels down _____.
a)
their chemical gradients
b)
their concentration gradients
c)
the electrical gradients
d)
their electrochemical gradients
40.
Which of the following allows twater to move much faster across cell membranes?
a)
Sodium-potassium pump
b)
Channel protein
c)
Carrier proteins
d)
Aquaporins
41.
White blood cells engulf bacteria using _____.
a)
phagocytosis
b)
pinocytosis
c)
osmosis
d)
receptor-mediated exocytosis
42.
White blood cells engulf debries contain antigen using _____.
a)
phagocytosis
b)
pinocytosis
c)
osmosis
d)
receptor-mediated exocytosis
43.
A bacterium engulfed by a white blood cell through phagocytosis will be digested by enzymes contained in _____.
a)
lysosomes
b)
Golgi vesicles
c)
vacuoles
d)
secretory vesicles
44.
Which is not related to facilitated diffusion?
a)
Movement of molecules across a semi permeable membrane through channel protein and carrier protein down a concentration gradient without using energy.
b)
Movement of molecules across a semi permeable membrane through carrier protein
c)
Movement of ion or molecule across the semi permeable membrane against its concentration gradient, required energy
d)
Movement of molecules across a semi permeable membrane against a concentration gradient without using energy
45.
Which of the following most accurately describes selective permeability?
a)
An input of energy is required for transport
b)
Lipid-soluble molecules pass through a membrane
c)
There must be a concentration gradient for molecules to pass through a membrane
d)
Only certain molecules can cross a cell membrane.
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