Question # 1

Interphase period can be divided into.

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G1,G2, G3

G1, G2, F1

G1, S, G2

S1, G1, S2

Which will occur as a result of nondescent of the testes?

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Mal esex hormones will not be circulated in the body

Sperm will have no means of exit from the body

Inadequate blood supply will retard the development of the testes

Variable sperm willnot be produced

The actual reduction division is.

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Meiosis -I

Mitosis

Cytokinesis

Meiosis -II

The syndrome in which individual has short stature, webbed necm, without ovaries, and complete absence of germ cells is.

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Mongolism

Kline felter syndrome

Down's syndrome

Turner's syndrome

Shape of the plant cell does not change greatly compared with an animal cell because it is surrounded by a rigid

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Cell membrane

Capsule

Sheath

Cell wall

The laptotene and zygotene lasts for.

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Few hours

Few days

Few weeks

Few years

Downs syndrome (Mongolism) occurs in man during which 21^st chromosome falls to segregate resulting gamete with

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20 chromosomes

21 chromosomes

22 chromosomes

24 chromosomes

Post mitotic cells can exist the cell cycle during.

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G1 Phase

G0 phase

G3 phase

S phase

All are related to Turner's syndrome except.

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Short stature

Webbed Neck

Broad face

Without Ovaries

Each bivalent consists of four.

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Chromosomes

Chromatids

spores

Chiasmata

The phase of meiosis during which nuclei disappear int he cell is called.

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Pachytene

Leptotene

Zygotene

Diplotene

The microtubules of mitotic apparatus are composed of protein tubulin nd traces of.

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DNA

RNA

Lipids

Terpenoids

The period of life cycle of cell between two consecutive divisions is termed as.

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Resting phase

Inter phase

G1 phase

G2 Phase

Fertilization of the ovum normal occurs:

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In the upper thrid of the oviduct

In the lower thrid of the oviduct

In the uterus

Can take place succcessfully in vegina

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

An unwanted clone of cells and establishment of secondary areas of growth is called.

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Tumor

Growth

Lump

Swelling

During cell division, the nuclear division is called.

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Cytokinesis

Karyokinesis

Plasmolysis

Karyotype

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