Question # 1

Type of spindle fibre which attaches the chromosomes is called:

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Kinetochore

Non Kinetochore

Bot a and b

Centromere

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

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Sex

Autosome

Both 1 & b

None

Uncoiling of chromosomes take place during:

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Anaphase

Telophase

Anaphase

Metaphase

The division of nucleus is:

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Mitosis

Karyokinesis

Cytokinesis

Meiosis

Example of Apoptotic process is ............... .

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Disappearance of tadpole tail

Disappearance of web human hand

Formation of fingers of hand

All of the above

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

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Split

Divide

Both

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

Chromatids get separated form each other during:

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Prophase

Telophase

Anaphase

Metaphase

How many cells die each day due to apoptosis in humans?

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50 - 70 Billions

50 - 70 Millions

50-70 trillions

20 - 30 Millions

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

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Apoptosis

Necrosis

Both a & b

None

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

Independent assortment occurs during .................... .

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Meiosis I

Meiosis II

Mitosis

None

Which phase of meiosis is similar to mitosis?

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Prophase I

Telophase II

Meiosis I

Meiosis II

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