Question # 1

The stage that lasts for days, weeks or event years

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Zygotene

Leptotene

Pachytene

Diplotene

Cancer occurs due to error in

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Binary fission

Budding

Mitosis

Meiosis

Apoptosis is.

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Division of cells

Death of cells by tissue damage

suicide of cells

Weakness of cells

G₁ is time between the end of mitosis and initiation of DNA synthesis also called as

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Pre-DNA synthesis phase

DNA synthesis phase

Post-DNA synthesis phase

None of these

Post mitotic cells can exist the cell cycle during.

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G1 Phase

G0 phase

G3 phase

S phase

During cell division , the nuclear division is called

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Cytokinesis

Karyokinesis

Endomitosis

Plasmolysis

The prophase stage in which the chromosomes become visible, shorten and thick.

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Leptotene

Zygotene

Pachytene

Diphotene

The human egg is swept through the oviduct toward the uterus by:

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The beating of the egg's cilia

Rhythmic contraction of the uterus

Rhythmic contraction of the oviduct

The beating of the cilia in the oviduct

Chromatin network is visible during

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Interphase

Prophase

Anaphase

Metaphase

Mitosis may be divided into two phases

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Karyikinesis & cytokinesis

Karyikinesis & diakinesis

Diakinesis & cytokinesis

Exokinesis & endokinesis

Gonadotropin releasing hormone is responsible for the strimulating release of which hormone?

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LH

Progestrone

Secretin

Insulin

Cell death due to tissue damage is called.

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Apoptosis

Metastasis

Necrosis

Suicid

Embryo implants in the _________ of the uterus.

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Perimetrium

Myometrium

Endometrium

^Cervix

The autosomal non disjunction in man in which 21st pair of chromosome fail to segregate resulting in gametes with 24 chromosomes is.

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Down's syndrome

Klinfilter syndrome

Turner's syndrome

Jacob's syndrome

The corpus luteum is formed at the site of

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Fertilization

Ovulation

Mensturation

Implantation

The series of changes which involve period of growths replication of DNA followed ny cell division may be named as

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DNA cycle

Nuclear cycle

Cell cycle

Chemical cycle

The kinetochore fibres of spindle attach to the kinetochore region of chromosome and align them at the equator of the spindle forming

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Equatorial plate

Metaphase plate

Central plate

Both a & b

Contractile ring in cytokinesis is formed by

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Tubulin

Actin and Myosin

Keratin

Cyclin

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