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Biology Test Chapter 15 Homeostasis and Excretion :
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The mechanism by which organisms maintain the stability of their cellular environment is known as
When the concentration of external medium is equal to the concentration of internal medium of cell is called
Brassica and rose plant belong to group of plants
Animals which are unable to adjust their internal salt concentration according to external environment is
Which one of the following animal can survive without drinking water?
Nitrogeneous wastes are produced as a result of
Fresh water protozoans pumped out excess water by a special structure called
The term glycogenesis means, the conversion of
Which one of the following nitrogenous compound is much more soluble in water?
The removal of amino group from amino acid is called
The amount of water required for the removal of 2 g of ammonia is
In flatworms excretory system consists of a net work of closed tubules with out internal openings are called
According to the removal of nitrogenous wastes, reptiles and birds are the examples of
The functional unit of human kidney is called
The end product of haemoglobin is the
All of the following are the plasma proteins synthesize by Liver, except that of
Liver is a large organ, making the body weight up to
The term Glycogenolysis means, the conversion of
Liver store tke vitamins A, D, E & K, which are the mainly
As human kidney has less than one percent of total body weight and with each cardiac cycle it receive the bllod of about
Creatinine is produced in
All are related to urea cycle, except that of
Urea leaves the kidney through
Urea is produced by a cyclic process in the liver known as
In man the expulsion of urine from the body the urethra is known as
Each nephron has a mass of blood capillaries which are partially enclosed by the blind ending region of the tubule is called
The inner layer of the Bowman's capsule is made up o un-usual cells called
the blood pressure in kidneys is higher that in the other organs this high pressure is maintained because
Marine mammal such as whale has a very thick layer of isulating fat called blubber just under the skin, which one of the is not related to the adaptive value of this fat?
Which part of the Nephron maintains the normal pH of human blood?
Which one the following properties of water is the main contributory factor enabling homeotherms to adapt, to a range of environment?
Which of the following is a function of the lever?
Which of the following is an endothermic?
Human maintains their high body temperature with in a narrow range of about
In human being body temperature is regulated by a part of brain; the
Process of reabsorption is the movement of materials from
Which of the following chemicals displaces the set point of the hypothalamus?
The most common kidney stone is
The nitrogenous excretory compounds formed in Earth-worm are the
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