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Worksheetsstem cells and plant cloning
Total questions: 15
Worksheet time: 8mins
the type of cell division used for growth and repair
mitosis
meiosis
meitosis
myosis
mitosis produces
non-identical daughter cells
eggs and sperm
identical daughter cells
exact copies of the parent cell
gametes (eggs, sperm and pollen) have (a) the number of chromosomes
before division, the chromosomes need to
divide
replicate
twist up
unroll
adult stem cells are:
able to turn into any type of cell
able to turn into many types of cell
undifferentiated
already differentiated
therapeutic cloning uses
adult stem cells
embryonic stem cells
plant stem cells
animal stem cells
the order of stages in the cell cycle is:
G1-S-G2
S-G1-G2
G2-S-G1
at the end of mitosis, cytokinesis occurs. During this stage:
4 new daughter cells form
2 new daughter cells form
1 new daughter cell forms
during the G1 phase of the cell cyle:
DNA replicates
the cell divides
organelles replicate
enzymes are produced
these plants reproduce asexually using bulbs:
onions
daffodils
turnips
roses
cloned plants have good survival chances in :
a stable environment
a changing environment
a hot environment
a cold environment
In cloning, the new plant is (a) to the parent plant
to produce large numbers of identical plants very quickly the best technique is:
cuttings
plant tissue culture
seeds
therapeutic cloning
what may be added to a cutting to get it to differentiate?
water
hormone powder
sunlight
nitrogen
which of these are steps in plant tissue culture?
small section of plant removed called explant
hormones and nutrients added to the plant
mass of identical cells called a callus grow
plants kept without oxygen for one week
