Question # 1

Chromosomes are not visible during:

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Anaphase

Prophase

Interphase

Metaphase

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

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Citizenship

Criminal

Good

None

The chromosomes are arranged along the equator of spindle in:

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Prophase

Telophase

Anaphase

Metaphase

Which phase of meiosis is similar to mitosis?

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Prophase I

Telophase II

Meiosis I

Meiosis II

Chromatains are condensed during:

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Anaphase

Prophase

Anaphase

Metaphase

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

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

Down's sayndrome is an autosomal non-disjunction of chromosomes number ............. .

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22

12

21

14

Specific enzymes are synthesized in:

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G₀

G₂

G₁

S phase

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

Chiasmata is formed during:

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Prophase I

Anaphase I

Prophase II

Anaphase II

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

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G1

G2

S

M

Which of the following structure is absent in animals?

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Spindle

Centrioles

Chromatids

Phragmoplant

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