Multiple Choice Questions

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Gigantism and acromegaly are due to

  • Hypothyroidism

  • Hyperthyroidism

  • Hypopituitarism

  • Hyperpituitarism


D.

Hyperpituitarism

Hypersecretion of Growth Hormone (GH) or Somatotropin Hormone (STH) from adenohypophysis of pituitary gland causes gigantism in children and acromegaly in adulthood. Gigantism involves excessive growth (lengthening) of bones with enlargement of internal organs as well. Acromegaly causes abnormal thickening of bones (due to ossification of periosteum) especially at face and margins of hand and feet.


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Which type of white blood cells are concerned with the release of histamine and the natural anticoagulant heparin?

  • Neutrophils

  • Basophils

  • Eosinophils

  • Monocytes


Correctly matched set of phylum, class and example is

  • Protozoa-Mastigophora-Entamoeba

  • Mollusca=-Bivalvia-c-Pmcrcdc

  • Arthropoda-Diplopoda-Scolopendra

  • Chordata-Cyclostomata-Phrynosoma


Oxyntic cells secrete

  • HCl

  • Trypsin

  • NaOH

  • Pepsinogen


Universal donor is

  • O Rh+­

  • O Rh­

  • AB Rh+­

  • AB Rh­


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Which one of the following in birds, indicates, their reptilian ancestry?

  • Scales on their hindlimbs

  • Four-chambered heart

  • Two special chambers crop and gizzard in their digestive tract

  • Eggs with a calcareous shell


Select incorrect pair

  • Porifera – Choanocytes

  • Coelenterata – Nematocysts

  • Annelida – Segmentation

  • Monera – Eukaryote


If a child is of O blood group and his father is of B blood group, the genotype of father is

  • IO IO

  • IA IB

  • IO IB

  • IO IA


Phase common in aerobic and anaerobic respiration is

  • Krebs’ cycle

  • Glycolysis

  • Glycogenolysis

  • ETS


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Bilateral symmetry, metameric segmentation, coelom and open circulatory system are the features of

  • Annelida

  • Arthropoda

  • Mollusca

  • Echinodermata