Question # 1

The shell, over chick egg is secreted as it passes through.

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Ovary

Oviduct

Uterus

Cloaca

Which light enhance cell division and retards cell enlargment.

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Red

Green

Blue

Violet

Which prosess is characterized by movement and rearrangement of cells in the embryo

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Blastulation

None of these

Neurulation

Gastrulation

The Syndrome which is an example of trisomy of the sex chromosome is

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Turner's syndrome

Down's syndrome

Klinefelter's syndrome

Tay-Sach's syndrome

Deficiency of vasopressin or ADH by the pituitary gland leads to a disorder in which the patients kidney have lessoned ability to absorb water is:

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Diabetes mellitus

Diabetes insipidus

Goiter

Exophthalmic goiter

In incubating eggs artificially the incubators are usually regulated at temperature between

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20 - 22^oC

27 - 29^oC

30 - 32^oC

36 - 38^oC

Immediately after fertilization, the egg undergoes a series

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Morulla

Gastrulation

Cleavage

Blastula

If lobster loses its pincer claw a new claw

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Regenerates

Never develops

IS ready

None of these

Study of aging is called

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Teratology

Gerontology

Cell biology

Paleontology

The removal of apex release that lateral buds from the apical dominance. It is called

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Inhibitory effect

Compensatory effect

Apical dominance

Reproduction

In addition to auxin which hormone also play important role in apical domince

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Abcesic acid

Gibberellins

2,4-D

Cytokinins

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

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Embryology

Teratology

Gerontology

Microcephaly

Primary growth in plants is caused by.

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Apical meristem

Intercalary meristem

Lateral meristem

Rib meristem

An ordered sequence of irrversible steps with each step setting up the necessary conditions for the next step is

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Embryology

Growth

Development

None of these

The functions of oxytocin islare to ___________

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Cause the uterus to contract

Induce labor

Stimulate the release of milk from the mother's mammary glands when her baby is nursing

All of the above

Neural plate is formed from

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Ectoderm

Endoderm

Mesoderm

Notochord

In chordates the healing of fracture and repair of a skin wound are some other examples of

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Reformation

Regeneration

Rejuvenation

Renaissance

During gastrulation the blastoderm splits into two layers, an upper layer of cells is called.

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Hypoblast

Area pellucida

Epiblast

Area Opaca

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