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Worksheetschapter 5: Genetic- cell division
Total questions: 23
Worksheet time: 1hrs 10mins
Cell division can be divided into ________ and _________.
metosis
mitosis
meiosis
maiosis
Mitosis occurs in....
somatic cells
sex cells
reproductive cells
gametes
Which of the following are examples of somatic cell? Choose any three answers.
blood cells
nerve cells
sex cells
skin cells
which of the following are gametes of animals?
liver cells
pollen grain
sperms
ovum
Meiosis only occurs in ....
sex cells
muscle cells
heart cells
nerve cells
What is the name for this process?
mitosis
meiosis
crossing over
fertilization
Choose four importances of mitosis
to produce sperms
for regeneration
for growth
repair and replace damaged tissue
for asexual reproduction
Choose 2 importances of crossing over?
for sexual reproduction
to increase number of cells
for variation
to exchange genetic materials
A parent cell contains 8 chromosomes. After it undergoes mitosis, how many chromosomes can be found in each daughter cells?
4
8
16
32
A parent cell contains 8 chromosomes. After it undergoes meiosis, how many chromosomes can be found in each daughter cells?
4
8
16
32
Human contains 46 chromosomes.
How many chromosomes can be found in their skin cells?
23
46
64
32
Human contains 46 chromosomes.
How many chromosomes can be found in their ovum?
23
46
64
32
How many times does a parent cell divide in mitosis?
Once
4 times
Twice
none of these
A duplicated chromosome (X shape) is made of:
two centromeres
two chromosomes
two chromatids
Name the process in the diagram.
Meiosis
Mitosis
Variation
Crossing over
The ___________ holds the replicated sister chromatids together.
centriole
chromosomes
centromere
cycles
The structure labeled A is a(n)
chromatid
centriole
centromere
chromophere
Which organelle is chromosome usually found in?
cell membrane
vacuole
chloroplast
nucleus
A male shark has 40 chromosomes in each of its sex cells. How many would be present in its body cells?
20
40
80
160
