Multiple Choice Questions

Advertisement

The parasphenoid bone in frog forms :

  • base of cranium

  • floor of cranium

  • dorsal side of cranium

  • dorsolateral side of cranium


B.

floor of cranium

Parasphenoid bone is a flattened and inverted T-shaped bone which lies in the median line along the floor of cranium.


Advertisement

Kuhne:

  • discovered parathyroid

  • coined the term enzyme

  • coined the term gene

  • discovered enzyme


Mammalian prolactin is secreted by :

  • adenohypophysis

  • neurohypophysis

  • adrenal cortex

  • adrenal medulla


Thyroid deficiency in infant leads to :

  • hypothyroidism

  • myxoedema

  • cretinism

  • thyrotoxicosis


Body cavity of adult Ascaris is :

  • haemocoel

  • amphicoel

  • pseudocoel

  • schizocoel


Advertisement

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

  • Radial

  • Biradial

  • Bilateral

  • Spherical


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

  • Calciferous glands

  • Gland cells

  • Chloragogen cells

  • Cliteller cells


Glomerular filtrate is

  • blood minus blood corpuscles and plasma protein

  • blood minus corpuscles

  • mixture of water, ammonia and corpuscles

  • urine


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

  • homeostasis

  • hemostasis

  • hematoma

  • haemopoiesis


Advertisement

Which of the following is not found in Hydra ?

  • Epithelio-muscular cells

  • Cnidocyte

  • Choanocyte

  • Nerve cells