Question # 1

Which light enhance cell division and retards cell enlargment.

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Red

Green

Blue

Violet

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

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Abcesic acid

Gibberellins

2,4-D

Cytokinins

_______ regulates the kidney's retention of water.

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Prolactin

Oxytocin

Thyroxin

Vasopressin (ADN)

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

For maximum growth the optimum temperature is 25 - 30^oC and it least at

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1 - 3^oC

5 - 10^oC

4 - 8^oC

6 - 12^oC

Clear cytoplasm produces

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Larval epidermis

Muscle cells

Gut

Neural tube

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

Clear cytoplasm, in an ascidian zygote produces.

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Muscle

Gut

Notochord and neural tube

Larval epidermis

Cambium is formed in stage.

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One

Two

Three

Four

Which one of the following condition is resulted from excess GH in adults?

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Cushing's disease

Acromegaly

Hyperthyroidism

Diabetes mellitus

Oxytocin is secreted by the endocrine gland named:

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Pituitary gland

Thyroid gland

Parathyroid gland

Adrenal gland

Young tissues retaining the potential to divide.

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Meristem

Xylem

Phloem

Cork

Hatching period of chick is.

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15 days

18 days

21 days

28 days

In ascidian fertilized egg, yellow cytoplasm gives rise to

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Larval epidermis

Muscle cells

Notochord

Gut

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

Acetabularia is a

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Epiphyte

Alga

fungus

Angiosperm

The addrenaline cortex produces ______________

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Adrenaline

Calcitonin

Epinephrine

Aldosterone

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

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Ovary

Oviduct

Uterus

Cloaca

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