MCQ
Which one of the following is not correctly matched
- AFlame cells - Platyhelminthes
- BSting cells - Coelenterata
- ✓Metameric segmentation - Mollusca
- DGill slits -Chordata
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Reason : Sex in humans is a polygenic trait depending upon a cumulative effect of some genes on $X-$ chromosome and some on $Y-$ chromosome.
$I.$ Conversion of fibrinogen to fibrin
$II.$ Formation of clot
$III.$ Thromboplastin formation
$IV.$ Conversion of prothrombin to thrombin
Choose the correct option
$R -$ Adenohypophysis consists of two portions, pars distalis and pars intermedia