Question # 1

Uncoiling of chromosomes take place during:

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Anaphase

Telophase

Anaphase

Metaphase

The scientific name of human being is:

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Homo sapiens

Pisum sativum

Amanta

E. coli

Which event distinguishes meiosis from mitosis?

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Condensation of chromosomes

Loss of the nuclear membrane

Formation of metaphase plate

Pairing of homologous chromosomes

The process of mitaosis ensures that:

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Each new cell is genetically different form its parent

Each new cell receives the proper number of chromosomes

Cells which divide at the appropriate tme

Chromosomes replicate without errors

Necrosis is death due to ............ cell damage.

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Unexpected

Accidental

Both a & b

None

During S-phase ..................... occurs.

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DNA replication

Protein synthesis

RNA transcription

Enzyme synthesis

the division of cytoplasm is called ............. .

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Karyokinesis

Cytokinesis

Anaohase

Telophase

Necrosis is:

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Division of cells

Suicide of cells

Cell death by tissue damage

Weakness of cells

If you observe a cell like this one, what phase of mitosis is it?

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Anaphase

Telophase

Metaphase

Prophase

................ occurs in somatic cells.

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Meiosis I

Meiosis II

Mitosis

None

Chromosomes become double during:

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G₁

G₂

G₀

S phase

Which of the following structure is absent in animals?

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Spindle

Centrioles

Chromatids

Phragmoplant

The fund event of interphase occurs with .............. .

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Replication of DNA

Replication of centriol

Movement of centriol

Both a & b

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