Multiple Choice Questions

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Oxyntic cells secrete

  • HCl

  • Trypsin

  • NaOH

  • Pepsinogen


A.

HCl

Oxyntic cells or parietal cells are large and rounded cells located upon the surface of the gastric gland and secrete HCl and CIF (Castle's Intrinsic Factor). This HCl gives the gastric fluids, a pH of about 2.0.


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Phase common in aerobic and anaerobic respiration is

  • Krebs’ cycle

  • Glycolysis

  • Glycogenolysis

  • ETS


Correctly matched set of phylum, class and example is

  • Protozoa-Mastigophora-Entamoeba

  • Mollusca=-Bivalvia-c-Pmcrcdc

  • Arthropoda-Diplopoda-Scolopendra

  • Chordata-Cyclostomata-Phrynosoma


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

  • Annelida

  • Arthropoda

  • Mollusca

  • Echinodermata


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


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Universal donor is

  • O Rh+­

  • O Rh­

  • AB Rh+­

  • AB Rh­


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

  • Neutrophils

  • Basophils

  • Eosinophils

  • Monocytes


Select incorrect pair

  • Porifera – Choanocytes

  • Coelenterata – Nematocysts

  • Annelida – Segmentation

  • Monera – Eukaryote


Gigantism and acromegaly are due to

  • Hypothyroidism

  • Hyperthyroidism

  • Hypopituitarism

  • Hyperpituitarism


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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