A. Nephrostome
B. Nephridiopore
C. Flame cell
D. Anus
Month: June 2018
A. 1 ml
B. 50 ml
C. 100 ml
D. 150 ml
A. Creatinine
B. Trimethyamine oxide
C. Xanthine
D. None of these
A. Stored excretory products in vacuoles, at a concentration that leads to crystal formation.
B. Accumulate waste in leaves, which fall in autumn.
C. Production of black wood in the center.
D. Excrete some of the waste materials directly into soil, occasionally using them as a chemical weapon against other competing plants.
A. CO2
B. H2O
C. O2
D. Both A and B
A. Hagfish
B. Jelly Fish
C. Star Fish
D. Bony fishes
A. Osmoconformers
B. Osmoregulators
C. Both depend upon the concentration of sea water
D. None of these
A. Increases transpiration by increasing the surface area of the leave.
B. Small and thick leaves to decrease the surface area proportional to the volume of the leave.
C. Stomata closing in sufficient supply, and opening in restricted supply of water.
D. None of these
A. Homeostasis
B. Hemostasis
C. Osmoregualtion
D. Thermoregulation
A. Endotherms
B. Ectotherms
C. Heterotherms
D. Homeotherms
