Question # 1

Cancer is caused mainly by mutation in.

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somatic cells

Sex cells

Malignant cells

Reproductive cells

The corpus luteum is formed at the site of

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Fertilization

Ovulation

Mensturation

Implantation

A network of very fine threads called chromatin can be visualized in call during

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Interphase

Prophase

Metaphase

Anaphase

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

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Leptotene

Zygotene

Pachytene

Diphotene

All are related to Turner's syndrome except.

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Short stature

Webbed Neck

Broad face

Without Ovaries

Nuclear membrane disorganizes at the beginning of

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Prophase 1

Metaphase 1

Anaphase 1

Telophase 1

The basic difference betweenn spermatogenesis and oogenesis is that :

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During spermatogenesis two more polar bodies are produced

The mature ovum is haploid while the sperm is 1n

Spermatogenesis involves mitosis and meiosis, but oogenesis involves meiosis only

In oogenesis, one mature ovum is produced, and in spermatogenesis four mature sperm are produced

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 stage of prophase that last for days, week or even year is.

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Leptotene

Zygotene

Pachytene

Diplotene

In non disjunction, chromosome's fail to segregate during.

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Prophase

Metaphase

Anaphase

Telephase

Meiosis II is just like the

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Amitosis

Mitosis

Replacement

Regenerations

Three sets of microtubules (fibres) originate from each pair of

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Glyoxisomes

Iysosomes

Peroxisomes

Centrioless

The interphase of meiosis lacks the stage.

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G0

G1

G2

S

Karyokinetic involves division of.

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Cell

Nucleus

Cell membrane

Cytoplasm

Microtubules are composed of protein, tubulin and traces of.

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DNA

Glycolipid

RNA

Phospholipid

During which stage chromosomes are doubling

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G2 Phase

G1 phase

S-Phase

G0 Phase

Each bivalent has

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Twochromatids

Four chromatids

Both a & b

None of these

Chromatin network is visible during

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Interphase

Prophase

Anaphase

Metaphase

With in the ovary , progestetrone is produced by the:

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Corpus albicans

Corpus Luteum

Tertairy follicles

Primary follicles

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

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LH

Progestrone

Secretin

Insulin

Which of the following behaves like normal cells.

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Benign tumor

Cancer

Gall

Malignant tumor

The laptotene and zygotene lasts for.

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Few hours

Few days

Few weeks

Few years

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