Biology

A. Higher solute concentration to lower solute concentration
B. Lower solute concentration to higher solute concentration
C. Lower solvent concentration to higher solvent concentration
D. All of these

A. 26 – 28°C
B. 36 – 38°C
C. 46 – 48°C
D. 56 – 58°C

A. Hagfish
B. Fresh water fishes
C. Bony fishes
D. None of these

A. There is a definite control system that regulates the homeostatic activities
B. Homeostatic mechanisms keep the internal environment fixed despite of wide changes in external environment
C. Because of this the fluctuations of internal environment are of extremely narrow range as compared to that of external environment
D. All are correct

A. Change in membrane protein composition.
B. Change in the solute composition of the cell membrane which prevents crystallization.
C. Increase in proportion of unsaturated fatty acids.
D. Development of heat shock proteins.

A. Failure of bone marrow is accompanied with renal failure.
B. Destruction of RBC results from accumulated urea in the blood.
C. Chronicity of the disease is respobsible for anemia
D. Failure of proper RBC synthesis, due to lack of chemical stimulation.

A. Glucose
B. Amino acids
C. Nitrogenous waste
D. All of these

A. Round worms
B. Flateworm
C. Tape worms
D. Segmented worms

A. Ammonia
B. Urea
C. Uric acid
D. Trimethylamine oxide

A. They don’t require water for their metabolic process
B. They can retain excessive water in their body during raining season.
C. They feed on carbohydrate rich seeds which can provide them with metabolic water
D. They are anhydrobiotic organisms