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. Hagfish
B. Fresh water fishes
C. Bony fishes
D. None of these
A. 26 – 28°c
B. 36 – 38°c
C. 46 – 48°c
D. 56 – 58°c
A. Round worms
B. Flateworm
C. Tape worms
D. Segmented worms
A. Glucose
B. Amino acids
C. Nitrogenous waste
D. All of these
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. 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. Sandfly , butterfly, hoeybee
B. Sikmoth, honeybee, locust
C. Honeybee, silkmoth, tsetse fly
D. Honeybee , lac insect, cochineal insect
A. Mycoxanthin, mucoxanthin and myxoxanthophylls
B. Alpha and beta carotenes and myxoxanthin
C. Fucoxanthin, diatoxanthin, diadinoxanthin
D. None of the above
A. Bedbug
B. Mosquito
C. Butterfly
D. Cockroach