A condition in which body s internal environment remains relative

Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

1.

Thyroid deficiency in infant leads to :

  • hypothyroidism

  • myxoedema

  • cretinism

  • thyrotoxicosis


2.

Kuhne:

  • discovered parathyroid

  • coined the term enzyme

  • coined the term gene

  • discovered enzyme


3.

Mammalian prolactin is secreted by :

  • adenohypophysis

  • neurohypophysis

  • adrenal cortex

  • adrenal medulla


4.

Which of the following is not found in Hydra ?

  • Epithelio-muscular cells

  • Cnidocyte

  • Choanocyte

  • Nerve cells


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5.

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

  • Calciferous glands

  • Gland cells

  • Chloragogen cells

  • Cliteller cells


6.

Glomerular filtrate is

  • blood minus blood corpuscles and plasma protein

  • blood minus corpuscles

  • mixture of water, ammonia and corpuscles

  • urine


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7.

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

  • homeostasis

  • hemostasis

  • hematoma

  • haemopoiesis


A.

homeostasis

Homeostasis is the condition in which body's internal environment remains relatively constant within limits. Homeostatic mechanisms protects an environment from harmful fluctutations. 


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8.

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

  • Radial

  • Biradial

  • Bilateral

  • Spherical


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9.

The parasphenoid bone in frog forms :

  • base of cranium

  • floor of cranium

  • dorsal side of cranium

  • dorsolateral side of cranium


10.

Body cavity of adult Ascaris is :

  • haemocoel

  • amphicoel

  • pseudocoel

  • schizocoel


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