Question # 1

The prokaryotic cell division is termed as :

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Binary fission

Multiple fission

Cytokinesis

Karyokinesis

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 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.

RNA, ribosomes and enzyme are synthesized during .............. .

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G2-phase

S-phase

G1-phase

Inretphase

The phases of cell cycle are:

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Interphase

Division phase

Both a and b

None

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

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Disjunction

Non-disjunction

Both a & b

None

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

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Meiosis I

Meosis II

Interphase

G-phase

Modern classification (binomial nomenclature) is based on the work of:

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Caesalpino

John Ray

Tournefort

Carolous Linnaeus

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

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Anaphase

Telophase

Metaphase

Prophase

Plants lack ................... .

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Protein

Centrioles

Spindle fibers

Cytokisnesis

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

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

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Unexpected

Accidental

Both a & b

None

Necrosis is:

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Division of cells

Suicide of cells

Cell death by tissue damage

Weakness of cells

In turner's syndrome female have ................. chromosomes .

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46

45

47

22

In which stage of the cell cycle, the cell is preparing enzyme for chromosome replication?

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G1

G2

S

M

Males with two Y chromosomes have more .................. tendensies.

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Citizenship

Criminal

Good

None

Specific enzymes are synthesized in:

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G₀

G₂

G₁

S phase

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