Question # 1

Gray vegetal cytoplasm gives rise to.

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Gut

Muscle cells

Notochord

Larval epidermis

Cambium is formed in stage.

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One

Two

Three

Four

In the chick the mesodermal cells migrate and caudally from both sides and create a mid line thickening called

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Primitive streak

Excretion

Ultra-streak

Blastoderm

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

Clear cytoplasm produces

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Larval epidermis

Muscle cells

Gut

Neural tube

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

Hatching period of chick is.

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15 days

18 days

21 days

28 days

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

Young tissues retaining the potential to divide.

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Meristem

Xylem

Phloem

Cork

Neural plate is formed from

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Ectoderm

Endoderm

Mesoderm

Notochord

Clear cytoplasm produces.

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Muscle cells

Gut

Larval epidermis

Notochord

Primary tissue is added by the

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Lateral meristem

Underground meristem

Apical meristem

Vertical meristem

The mesodermal cells do not invaginate but migrate medially and caudally from both sides and create a midline thickening called.

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Hensen's node

Primitive streak

Hypoblast

epiblast

Immediately after fertilization, the egg undergoes a series

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Morulla

Gastrulation

Cleavage

Blastula

Acetabularia is a

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Epiphyte

Alga

fungus

Angiosperm

Secondary growth leads to an increase in the diameter if the.

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Leaf

Root

Stem

Stem and root

Which light enhance cell division and retards cell enlargment.

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Red

Green

Blue

Violet

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