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WorksheetsBiology: cell biology
Total questions: 25
Worksheet time: 16mins
Tick the examples of eukaryotic cells.
Root hair cell
Muscle cell
Bacterial cell
White blood cell
Tick the features of an animal cell.
nucleus, cytoplasm, cell membrane, mitochondria, ribosomes
nucleus, cell wall, cell membrane, mitochondria, plasmids
strand of DNA, chloroplasts, mitochondria, ribosomes, cell membrane
cell membrane, vacuole, nucleus, ribosomes
Tick the features of an plant cell.
nucleus, cytoplasm, cell membrane, mitochondria, ribosomes
cell wall, cell membrane, vacuole, chloroplasts, cytoplasm, mitochondria, ribosomes, nucleas
cell wall, cell membrane, vacuole, chloroplasts, cytoplasm, mitochondria, ribosomes
cell wall, cell membrane, chloroplasts, cytoplasm, mitochondria, ribosomes, plasmids
Tick the features of an bacteria cell.
nucleus, cytoplasm, cell membrane, mitochondria, ribosomes
nucleus, cell wall, cell membrane, mitochondria, plasmids
plasmids, cell membrane, cytoplasm, strand of DNA
plasmids, cell membrane, cell wall, cytoplasm, strand of DNA
What is the formula for magnification?
magnification =real sizeimage size
magnification =image sizereal size
magnification = image size x real size
image size = magnification x real size
The required practical involves observing onion cells under a microscope
true
false
What is an undifferentiated cell called?
single cell
specialised cell
stem cell
undifferentiated cell
Tick the adaptations of sperm cells.
long tail
streamlined
lots of mitochondria
hollow
Tick the adaptations of nerve cells.
lots of branches
multiple nuclei
lots of mitochondria
long
Tick the adaptations of muscle cells.
large surface area
streamlined
lots of mitochondria
lots of ribosomes
Tick the adaptations of root hair cells.
alot of enzymes
alot of chloroplasts
thin cell wall
large surface area
Tick the adaptations of phloem cells.
companion cells
hollow
few subcellular structures
long and joined end-to-end
Tick the adaptations of xylem cells.
companion cells
hollow
few subcellular structures
long and joined end-to-end
how many chromosomes in a human cell
46 pairs
23 pairs
23
22 pairs
Tick the three stages of the cell cycle in order.
interphase --> cytokinesis --> mitosis
cytokinesis --> mitosis --> interphase
interphase --> mitosis --> cytokinesis
mitosis --> interphase --> cytokinesis
Why does mitosis occur?
growth
asexual reproduction
repair
development
How long does it take for binary fission in the right conditions?
30 minutes
20 seconds
1 hour
20 minutes
you must pay attention to your (a) technique when culturing microorganisms.
the larger the __________ ____, the more effective the antibiotic/disinfectant.
(a)
Are embryos seen as better to get the stem cells to cure diseases or are adult stem cells better?
adult
embryo
tick the ethical issues that come with stem cell research
human embryos being used - potential human life
expensive
may be rejected from the body
diffusion is the ___, passive movement of particle from an area of ____ concentration to ___ concentration across a concentration _________ and a partially permeable membrane.
(a)
osmosis is the net, passive movement of _____ molecules from a ______ solution to a ____________ solution across a partially permeable ________.
(a)
______ _________ is the movement of particles using the aid of energy from respiration and a _______ protein from a higher concentration to a lower concentration.
(a)
The required practical contains potato cylinders and sugar solutions.
true
false
