
List the metabolic waste products of living organisms.
Important Questions on Excretion and Osmoregulation
Match List I and List II
List I | List II | ||
A | Taenia | I | Nephridia |
B | Paramoecium | II | Contractile vacuole |
C | Periplaneta | III | Flame cells |
D | Pheretima | IV | Uricose gland |
Choose the correct answer from the options given below:








Give appropriate biological or technical terms for the following:
Process of maintaining water and salt balance in the blood.



A patient suffering from cholera is given saline drip because



Solenocytes are the main excretory structures in


Consider the following four statements (a-d) about certain desert animals such as kangaroo, rat.
(a) They have dark colour and high rate of reproduction and excrete solid urine
(b) They do not drink water, breathe at a slow rate to conserve water and have their body covered with thick hair
(c) They feed on dry seeds and do not require drinking water
(d) They excrete very concentrated urine and do not use water to regulate body temperature.
Which two of the above statements for such animals are true?




