Question # 1

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

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G I

S

M

G2

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

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Meiosis I

Meiosis II

Mitosis

None

Two consecutive cell division occurs in ..............

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Meiosis

Mitosis

Interphase

None

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

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Unexpected

Accidental

Both a & b

None

The phase which can exist for life is:

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G₀

G₁

G₂

S phase

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

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Anaphase

Telophase

Metaphase

Prophase

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

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Apoptosis

Necrosis

Both a & b

None

Which one is the lowest taxon of classification?

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Genus

Order

Species

Phylum

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

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G2-phase

S-phase

G1-phase

Inretphase

Down's syndrome is case of .................. .

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Autosomy

Monosomy

Trisomy

Tetrasomy

The Klinefelter's syndrome males have an extra .................... .chromosomes.

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Sex

Autosome

Both 1 & b

None

Specific enzymes are synthesized in:

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G₀

G₂

G₁

S phase

The phenomenon of spread of tumor is called:

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Malignant

Benign

Metastasis

Mitosis

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Biology 9th Class English Medium Chapter 5 Online Test MCQs With Answers

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