Question # 1

Mitosis help i the .................. .

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Growth

Regenration

Cell replacement

All of the above

In which stage of the cell cycle each chromosome is duplicated and so it consists of two chromatids?

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GI

S

M

G2

Which phase of meiosis is similar to mitosis?

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Prophase I

Telophase II

Meiosis I

Meiosis II

Cytokineses in a plant cell is characterized by:

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The equal division of homologous chromosomes

A pinching off a cell membrane to divide the cell

The formation of a cell plate in the cytoplasm

The movement of the chromosomes from the metaphase plate

Chromosomes condensation occurs during .............. .

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G1-phase

G2-phase

S-phase

Interphase

Which one is the lowest taxon of classification?

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Genus

Order

Species

Phylum

the failure of replicated chromosomes to separate during meiosis is ............... .

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Disjunction

Non-disjunction

Both a & b

None

A membrane-bounded disc is formed in plant cell to divide cytoplasm, this is called:

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Chloroplast

Phragmoplast

Leucoplast

Chromoplast

The process of mitosis ensures that:

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Each new cell is genetically different from its parent

Each new cell receives the proper number of chromosomes

Cell will divide at the appropriate time

Chromosomes duplicated without errors.

The phase which can exist for life is:

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G₀

G₁

G₂

S phase

Programmed cell death is called ............... .

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Apoptosis

Necrosis

Both a & b

None

Which of the following is unique to mitosis and not a part of meiosis?

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Homologous chromosomes pair forming bivalents

Homologous chromosomes cross over

Chromosomes pairs are broken during anaphase

Chromatids separate during anaphase

The prokaryotic cell division is termed as :

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Binary fission

Multiple fission

Cytokinesis

Karyokinesis

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