Multiple Choice Questions

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Thyroid deficiency in infant leads to :

  • hypothyroidism

  • myxoedema

  • cretinism

  • thyrotoxicosis


C.

cretinism

Cretinism is caused by the deficiency of thyroid hormone in infants. Myxoedema is caused by the deficiency in adults. Graves disease or exophthalmic goitre is caused by the hypersecretion of thyroid hormone.


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Which of the following is not found in Hydra ?

  • Epithelio-muscular cells

  • Cnidocyte

  • Choanocyte

  • Nerve cells


Body cavity of adult Ascaris is :

  • haemocoel

  • amphicoel

  • pseudocoel

  • schizocoel


Glomerular filtrate is

  • blood minus blood corpuscles and plasma protein

  • blood minus corpuscles

  • mixture of water, ammonia and corpuscles

  • urine


Kuhne:

  • discovered parathyroid

  • coined the term enzyme

  • coined the term gene

  • discovered enzyme


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Mammalian prolactin is secreted by :

  • adenohypophysis

  • neurohypophysis

  • adrenal cortex

  • adrenal medulla


A condition in which body's internal environment remains relatively constant within limits is called :

  • homeostasis

  • hemostasis

  • hematoma

  • haemopoiesis


Which of the following structure in Pheretima posthuma plays the role of the liver of vertebrates ?

  • Calciferous glands

  • Gland cells

  • Chloragogen cells

  • Cliteller cells


Which of the following symmetry is found in adult sea-anemone ?

  • Radial

  • Biradial

  • Bilateral

  • Spherical


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The parasphenoid bone in frog forms :

  • base of cranium

  • floor of cranium

  • dorsal side of cranium

  • dorsolateral side of cranium