Science 9 Biology Topic 5 Review Question Preview (ID: 53938)


Topic 5. TEACHERS: click here for quick copy question ID numbers.

Chromosomes are the tightly coiled large structures that is made up of...
a) Cells
b) DNA
c) Nucleus
d) Nucleotides

Humans have
a) 23 Chromosomes total
b) 46 Chromosomes total
c)
d)

Adenine always pairs with
a) Cytosine
b) Guanine
c) Thymine
d) Adenine

Thymine always pairs with
a) Cytosine
b) Guanine
c) Thymine
d) Adenine

Guanine always pairs with
a) Cytosine
b) Guanine
c) Thymine
d) Adenine

Cystosine always pair with
a) Cytosine
b) Guanine
c) Thymine
d) Adenine

What is the name of the shape that DNA takes?
a) Ladder
b) Double helix
c) Triple helix
d) Nitrogen bases

Mitosis is
a) The process of making somatic cells
b) The process of making gamete cells
c)
d)

What happens to the number of chromosomes in the cells at the end of mitosis?
a) They are halved
b) They double
c) They stay the same
d) They triple

What happens to the number of chromosomes in the cells at the end of meiosis??
a) They are halved
b) They double
c) They stay the same
d) They triple

How many new cells are produced during mitosis?
a) 1
b) 2
c) 3
d) 4

How many new cells are produced during meiosis?
a) 1
b) 2
c) 3
d) 4

How many rounds of division occur during mitosis?
a) 1
b) 2
c) 3
d) 4

How many rounds of division occur during meiosis?
a) 1
b) 2
c) 3
d) 4

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