Subject: Anatomy and Physiology

#145

What is the role of the spindle fibers?

A) Synthesize DNA

B) Separate chromosomes

C) Produce ATP

D) Digest organelles

Answer:   B

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#146

How do mitosis and meiosis differ in daughter cell number?

A) Mitosis: 2; Meiosis: 2

B) Mitosis: 2; Meiosis: 4

C) Mitosis: 4; Meiosis: 2

D) Mitosis: 4; Meiosis: 4

Answer:   B

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#147

Which phase includes cell growth and DNA replication?

A) M phase

B) Interphase

C) Prophase

D) Telophase

Answer:   B

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#148

What is a zygote?

A) Haploid cell

B) Fertilized egg

C) Gamete

D) Stem cell

Answer:   B

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#149

Which process occurs in both mitosis and meiosis?

A) Crossing over

B) DNA replication

C) Synapsis

D) Tetrad formation

Answer:   B

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#150

What ensures daughter cells are genetically identical in mitosis?

A) Random fertilization

B) Exact DNA replication

C) Crossing over

D) Independent assortment

Answer:   B

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#151

Why is mitosis critical for multicellular organisms?

A) Produces gametes

B) Enables growth and repair

C) Increases genetic diversity

D) Reduces chromosome number

Answer:   B

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#152

What is the significance of meiosis in evolution?

A) Clones offspring

B) Generates genetic variation

C) Prevents mutations

D) Maintains chromosome number

Answer:   B

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