Biology MCQs

Page No. 18

Which of the following filtrate contains excessive amount of amino acids, glucose, and salts?


aGlomerular filtrate


bFiltrate passing through ascending limb


cFiltrate passing through distal conveluted tubule


dFiltrate passing through collecting tubules


View Answer Glomerular filtrate

Malphighian tubules absorb waste materials and salts from__________?


aBlood


bLymph


cGut


dHemolymph


View Answer Hemolymph

Which of the following openings have cilia?


aNephrostome


bNephridiopore


cBoth of these


dNone of these


View Answer Nephrostome

Which of the following animal excrete nitrogenous waste mainly as uric acid?


aHydra


bPlanaria


cHumans


dBirds


View Answer Birds

Thick, waxy & leathery cuticle around leaves is present in___________?


aHydrophytes


bMesophytes


cXerophytes


dHalophytes


View Answer Xerophytes

Bats & humming birds belong to___________?


aEndotherms


bEctotherms


cHeterotherms


dHomeotherms


View Answer Heterotherms

A stone measuring 0.4 cm, blocking the outlet of renal pelvis resulting in mild to moderate tract obstruction. Which of the following technique will be opted to remove this stone?


aKidney surgery


bBurring a hole and removing the stone manually (nephrolithotomy)


cExtracorporeal Shock wave lithotripsy


dNone of these



Which of the vascular channels are related to Juxtramedullary nephrous only?


aAfferent and efferent arterioles


bPeritubualr capillaries


cVasa nervosa


dVasa recta


View Answer Vasa recta

In Urea cycle __________ ammonia molecules combine with 1 CO2 molecule to form 1 molecule of urea.


a1


b2


c3


d4


View Answer 2

Which of the following is most toxic?


aAmmonia


bUrea


cUric acid


dTrimethylamine oxide


View Answer Ammonia

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