✅ B. Negative feed back
Option A: Positive feed back Option B: Negative feed back Option C: Feed back Option D: Osmoregulation Correct Answer : Negative feed back Read more
✅ D. Trimethylamine oxide
Option A: Excessive urea which will increase their internal solute concentration and prevent body shrinkage in hypertonic environment Option B: Trimethyl alanine Option C: Ammonia Option D: Trimethylamine oxide Correct Answer : Trimethylamine oxide Read more
✅ D. They are anhydrobiotic organisms
Option A: They dont require water for their metabolic process Option B: They can retain excessive water in their body during raining season. Option C: They feed on carbohydrate rich seeds which can provide them with metabolic water Option D: They are anhydrobiotic organisms Correct Answer : They are anhydrobiotic organisms Read more
✅ A. Ammonia
Option A: Ammonia Option B: Urea Option C: Uric acid Option D: Trimethylamine oxide Correct Answer : Ammonia Read more
✅ B. Flateworm
Option A: Round worms Option B: Flateworm Option C: Tape worms Option D: Segmented worms Correct Answer : Flateworm Read more
✅ C. Nitrogenous waste
Option A: Glucose Option B: Amino acids Option C: Nitrogenous waste Option D: All of these Correct Answer : Nitrogenous waste Read more
✅
Option A: Failure of bone marrow is accompanied with renal failur Option B: Destruction of RBC results from accumulated urea in the bloo Option C: Chronicity of the disease is respobsible for anemia Option D: Failure of proper RBC synthesis, due to lack of chemical stimulation. Correct Answer : Read more
✅ C. Increase in proportion of unsaturated fatty acids.
Option A: Change in membrane protein composition. Option B: Change in the solute composition of the cell membrane which prevents crystallization. Option C: Increase in proportion of unsaturated fatty acids. Option D: Development of heat shock proteins. Correct Answer : Increase in proportion of unsaturated fatty acids. Read more
✅ B. Homeostatic mechanisms keep the internal environment fixed despite of wide changes in external environment
Option A: There is a definite control system that regulates the homeostatic activities Option B: Homeostatic mechanisms keep the internal environment fixed despite of wide changes in external environment Option C: Because of this the fluctuations of internal environment are of extremely narrow range as compared to that of external environment Option D: All are correct Correct Answer : Homeostatic… Read more
✅ C. Bony fishes
Option A: Hagfish Option B: Fresh water fishes Option C: Bony fishes Option D: None of these Correct Answer : Bony fishes Read more