Question # 1

The addrenaline cortex produces ______________

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Adrenaline

Calcitonin

Epinephrine

Aldosterone

Average loss of blood during birth in human female is about .

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150 cm3

250 cm3

350 cm3

450 cm3

If fertilization does not occur the corpus luteum starts

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Progesterone

Menstrual cycle

Degenerating

Regenerating

In hershey & chase experiment, 32p labeled bacteriophages allowed to infect the becteria.During analysis 32 p activity wa detected:

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In culture medium

On the surface of becterial cell

Inside the becteiral cell

Both a and B

In plants which light enhances cell division.

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Infra red

Blue

Red

green

From Hensen's node,dorsal mesoderm is formed and is organized into

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Segments

Fragments

Somitcs

Remains

Information back from the control centre to the effectors as done by ______________ nerve path way.

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Afferent

Efferent

Both

None of these

PCR takes its name from _________ the enzyme that carries out DNA replication in a cell.

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DNA Polymerase

DNA Ligase

DNA Polymerase II

Restriction enzymes

the reabsorption of water in collecting tubules is under the control of.

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Aidostenrone

ADH

Pressure filtration

Tubular secretion

Most efficient way of supporting the body is seen.

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Fishes

Aves

Reptiles

Mammals

The idea of endosymbiont was purposed by.

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Cuvler

Lyell

Malthus

Marglls

Branch of biology which deals with the study of abnormal development and their cause is called.

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Embryology

Teratology

Gerontology

Microcephaly

A central role for chromosomes in heredity was first suggested in 1900 by.

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Karl correns

W. Sutton

F. Griffiths

T.H.Morgan

Development of an egg into embryo without fertilization is called as.

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Parthenocarpy

parthenogenesis

Fragmentation

Meiosis

If lobster loses its pincer claw a new claw

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Regenerates

Never develops

IS ready

None of these

The number of chromosomes in frog is

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52

26

13

7

Karyb. Mullis developed the polymerase chain reaction in.

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1963

1973

1983

1993

If the condon consisted of only two nucleotides, there would be how many possible condons?

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4

8

₂₀

16

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