NEW
Font size
WorksheetsCIA I cell biology
Total questions: 50
Worksheet time: 25mins
The term cell was given by
Robert Hooke
Tatum
Schwann
De Bary
bacteria, blue green algae, animals and plants are minute in size and are measured by the fractions of---------------
Cell
Watts
Ohms
Standard Units
The membrane around the vacuole is known as
Tonoplast
Elaioplast
Cytoplast
Amyloplast
Lysosomes are known as “suicidal bags” because
Parasitic activity
Presence of food vacuole
Hydrolytic activity
Catalytic activity
Gram negative bacteria contains lipopolysaccharides
true
false
The gel-like substance that surrounds all the organelles in the cell is called
cytoplasm
nucleoplasm
mitochondria
The unit membrane model was proposed by
L. Nicolson
Robertson
Dannelli
scope-Means
small
tiny
to observe
big
The study of individual cells of the body
Cytochemistry
Cytopathology
Histology
cytology
Which organelle involved in the formation of cilia and flagella
centriole
plastid
chloroplast
An irregularly-shaped region that contains the cell’s DNA and is not surrounded by a nuclear envelope
DNA
chromosome
Nucleoid
Plasma membrane
Eukaryotes have true nucleus?
True
False
Nuclear membrane consist of how many phospholipid bilayer
3
2
1
0
Centrioles are tubular structures composed mainly of the protein
Pectin
Tubulin
Cellulose
all the above
The inner membrane stroma that contains small structures called
grana
thylakoid
stroma
all the above
Nucleus and nuclear membrane is absent in
Bacterial cells
Plant cells
Animal cells
All the above
This structure of the plant cell is non-living
Nucleus
cell wall
cytoplasm
Mitochondrion
_____________is the study of the cell, its types, structure, functions and its organelles.
Biology
Cell Biology
Microbiology
Biotechnology
The organelle serving as traffic area for molecules
Vacuole
Plastids
Mitochondria
Golgi apparatus
Fungi cell wall is made up of
cellulose
Lignin
chitin
all
In plant cell wall the outermost layer is
primary cell wall
secondary cell wall
middle lamella
plasma membrane
the outer surface of protein the membrane present is non-mucoid protein.
True
False
Which is nearest the endoplasmic reticulum
cis
medial
trans
Nuclear pores are made up of
Lipids
Proteins
carbohydrates
The protein structure on chromatids where the spindle fibers attach during cell division to pull sister chromatids is called
chromatids
centromere
kinetochore
Telomere
Protect the ends of the chromosomes during DNA replication by forming a cap is called
Telomeres
chromatids
centromere
None of the above
Mitochondria convert chemical energy from the food we eat into an energy .This process is called
oxidative phosphorylation.
ETC
Proton process
Kerbs cycle
What type of ribosome
Prokaryotic
Eukaryotic
Which is the longest part of the cell cycle
G2 phase
Interphase
S phase
All the above
In which membrane most ATP is created in mitochondria
Cristae
Outer membrane
Inner membrane
In prokaryotic cells, the ribosomes often occur freely in the cytoplasm
true
false
the separation of the cytoplasm to form two new daughter cells is called
Mitosis
kinetochore
cytokinesis
This image depicts which cell division
mitosis
meiosis
Cytokinesis is more complex in
animal cells
plant cells
bacterial cells
In meiosis cell division II the daugther cells formed are
haploid(n)
Diploid(4n)
Null
Which check point determines if the DNA has been replicated properly
G1 checkpoint
mitosis checkpoint
S checkpoint
Which is the phase of cell cycle this image denotes
Anaphase
Telophase
Metaphase
In which phase all cells are actively dividing or preparing to divide and are in resting phase is called
G1
G0
S
Eukaryotic ribosome contains
80S
70S
Which cells lack nuclear membrane
prokaryotes
eukaryotes
Which of the following cell organelles regulates the entry and exit of molecules to and from the cell?
Lysosomes
Golgi bodies
Cell membrane
Mitochondria
Which of the following cell organelles is called the powerhouse of the cell?
Nucleus
Lysosomes
Chloroplast
Mitochondria
Bacterial cell wall is made up of
peptidoglycans
phospholipid
pectin
hydrophilic-meaning
Water hating
Water loving
Mixing with water
None of the above
Scientist who discovered first human chromosome-Name
Joe Hin Tjio
G.E. Palade
M.Calvin
L.Pauling
Picogram is expressed as
10-3
10-6
10-9
cytological science which provides cytological support to the taxonomic position of any species is called
Cytotaxonomy
Cytochemistry
Cytogenetics
Flagella motility is present in bacterial cells
True
False
This is the structure of
carbohydrate
phospholipid
protein
Chromosomes are made up of
DNA
DNA and histones
RNA and histones
