Question # 1

A plant has a growth pattern called

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Open growth

Closed growth

Round growth

Hatching period of chick is.

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15 days

18 days

21 days

28 days

Young tissues retaining the potential to divide.

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Meristem

Xylem

Phloem

Cork

Parathyroid hormone acts to ensure that

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Calcium levels in the blood never drop too low

Sodium levels in urine are constant

Potassium levels in the blood do not escalate

The concentration of water in the blood is sufficient

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

The discoidal cap of cells above the blastocoel is called.

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Ectoderm

Endoderm

Mesoderm

Blastoderm

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

Hypoblast is mainly presumptive

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Endoderm

Mesoderm

Ectoderm

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

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Biology Fsc Part 2 Chapter 5 Online Test MCQs With Answers

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