The first crystalline hormone is:

A. Thyroxine

B. Nor adrenalin

C. Adrenalin

D. All of the above

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Which germinal layer develops in digestive system :

A. Ectoderm

B. Mesoderm

C. Epidermis

D. Endoderm

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Smaller the animal :

A. More the rate of respiration

B. Less the rate of respiration

C. Rate of respiration has nothing to do with size of animal

D. None of these

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An individual has an additional sex chromosome which syndrome does it refers to :

A. Down’s syndrome

B. Turner syndrome

C. Jacobs syndrome

D. Klinefilter’s syndrome

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Equisetum is the living member of :

A. Sphenopsida

B. Psilopsida

C. Ptreopsida

D. Lycopsida

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An enzyme in gastric juice of many infant mammals that precipitates milk protein :

A. Rennin

B. Pepsinogen

C. Gastric

D. Renan

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Name the programmed cell death or cells suicide?

A. Apoptosis

B. Necrosis

C. Both ( a ) and ( b )

D. None of these

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