Multiple Choice Questions

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The genetic deficiency of ADH-receptor leads to

  • diabetes mellitus

  • glycosuria

  • diabetes insipidus

  • nephrogenic diabetes


D.

nephrogenic diabetes

It's a hormone made by the hypothalamus in the brain and stored in the posterior pituitary gland. It tells kidneys how much water to conserve. ADH constantly regulates and balances the amount of water in your blood. Higher water concentration increases the volume and pressure of your blood.


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Cellular totipotency was first demonstrated by

  • F C Steward

  • Robert Hooke

  • T Schwann

  • A v Leeuwenhoek


Generally artificial pace-maker consists of one battery made up of

  • nickel

  • dry cadmium

  • photo sensitive material

  • lethium


Goitre can occur as a consequence of all the following except

  • iodine deficiency

  • pituitary adenoma

  • Grave's disease

  • excessive intake of exogenous thyroxin


Choose the minor carp from the following

  • Cyprinus carpio

  • Anguilla sp

  • Labeo bata

  • cetanophyrngodon idella


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Which of the following does not act as a neurotransmitter

  • Acetylcholine

  • Epinephrine

  • Glutamic acid

  • Tyrosine


Graham's law is correlated with

  • diffusion

  • osmoregulation

  • osmosis

  • absorption


The generation of excitation-contraction coupling involves all the following events except

  • generation of end-plate potential

  • release of calcium from troponin

  • formation of cross-linkages between actin and myosin

  • hydrolysis of ATP to ADP


Which of the following substances yield less than 4 kcal/mol when its phosphate bond is hydrolysed

  • Creatine phosphate

  • ADP

  • Glucose-6-phosphate

  • ATP


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Pernicious anaemia results due to deficiency of

  • vitamin-B1

  • vitamin-A

  • vitamin-B12

  • iron