Question # 1

Which is not the function of mitosis?

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Development and growth

Cell replacement and regeneration

Asexual reproduction

Sexual reproduction

Phenomenon of crossing over in fruit fly was observed by:

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T.H. Morgan

W.Flemming

Oscar Hertwig

Louis pasteur

The condensation of chromosomes is completed during:

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Telophase

Prophase

Anaphase

Metaphase

................ is similar to mitosis.

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Meiosis I

Meosis II

Interphase

G-phase

The cell death due to tissue damage is:

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Apoptosis

Necrosis

Metastasis

Synapsis

During the division phase the cell ................ into two.

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Split

Divide

Both

None

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

Type of spindle fibre which attaches the chromosomes is called:

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Kinetochore

Non Kinetochore

Bot a and b

Centromere

The phenomenon of spread of tumor is called:

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Malignant

Benign

Metastasis

Mitosis

The phase which can exist for life is:

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G₀

G₁

G₂

S phase

What reason would you suggest for the fact that the total DNA content of each daughter cell is reduced during meiosis?

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Chromosomes do not replicate during the interphase before meiosis 1

Chromosomes do not duplicate between meiosis 1 and 2

Half of the chromosomes form each gamete are broken

Sister chromatids separate during anaphase of meiosis 1

In which stage of the cell cycle most cells spend their lives?

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Prophase

Metaphase

Interphase

Telohase

Cytokinesis in a plant cell is characterized by:

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The equal division of homologous chromosomes

A pinching off of the cell membrane to divide the cell

The formation of a cell plate in the cytoplasm

The movement of the chromosomes from the metaphase plate

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