Select incorrect pair

• Porifera – Choanocytes

• Coelenterata – Nematocysts

• Annelida – Segmentation

• Monera – Eukaryote

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

• Annelida

• Arthropoda

• Mollusca

• Echinodermata

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

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

• I^O I^O

• I^A I^B

• I^O I^B

• I^O I^A

Correctly matched set of phylum, class and example is

• Protozoa-Mastigophora-Entamoeba

• Mollusca=-Bivalvia-c-Pmcrcdc

• Arthropoda-Diplopoda-Scolopendra

• Chordata-Cyclostomata-Phrynosoma

Phase common in aerobic and anaerobic respiration is

• Krebs’ cycle

• Glycolysis

• Glycogenolysis

• ETS

Gigantism and acromegaly are due to

• Hypothyroidism

• Hyperthyroidism

• Hypopituitarism

• Hyperpituitarism

Universal donor is

• O Rh⁺­

• O Rh^–­

• AB Rh⁺­

• AB Rh^–­

Oxyntic cells secrete

• HCl

• Trypsin

• NaOH

• Pepsinogen

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

• Neutrophils

• Basophils

• Eosinophils

• Monocytes