List of top Zoology Questions on Excretion

Assertion (A): Most marine bony fishes drink sea water continuously.
Reason (R): They lose water from their body to the surrounding sea water by osmosis.

Match the following. 
\[ \begin{array}{|c|l|c|l|} \hline \text{Excretory organs} & & \text{Examples} & \\ \hline \text{A} & \text{Protonephridia} & \text{I} & \text{Terrestrial arthropods} \\ \hline \text{B} & \text{Metanephridia} & \text{II} & \text{Crustaceans} \\ \hline \text{C} & \text{Malpighian tubules} & \text{III} & \text{Larva of annelids} \\ \hline \text{D} & \text{Green glands} & \text{IV} & \text{Cnidarians} \\ \hline & & \text{V} & \text{Annelids} \\ \hline \end{array} \]

Match the following:
Study the following and identify the correct statements: I. During inspiration thoracic spiracles are kept closed. II. Oenocytes contain symbiotic bacteria. III. Stomodaeal valve lies between gizzard and mesenteron. IV. Alary muscles keep blood in circulation.

Match the following:  

List-I 
A. Open type 
B. Single circulation 
C. Incomplete double circulation 
D. Double circulation 

List-II 
I. Pisces 
II. Mammals 
III. Parazoans 
IV. Amphibians 
V. Echinoderms

Study the following and identify the correct statements I. Between ventriculus and gizzard of cockroach, there are Malpighian tubules II. In cockroach rectal papillae help in water conservation III. In cockroach due to contraction of dorso-ventral muscles mandibles move IV. Hollow chitinous tubes of wings of cockroach are called nervures
Birds are Uricotelic, meaning they excrete nitrogenous waste primarily as:
Selective reabsorption of components in glomerular filtrate is regulated in these parts of nephron
Sensillae present on 1st, 2nd and 3rd tarsomeres of leg of cockroach are
Observe the list of animals given below:
I. Tracheate arthropods
II. Land snails
III. Hydra
IV. Earth worms
V. Reptiles
VI. Birds
VII. Mammals
VIII. Bony fishes
IX. Amphibians
Among the above, ureotelism is found in
Appendages are absent in these segments of head of cockroach
Match the following:
This part of ommatidium of cockroach is a refractive region
In an experiment, Malpighian tubules of a cockroach are removed. Which substance might be absent in its fecal pellets?
Excretory organs in adult molluscs are:
Deficiency of ADH (Anti diuretic hormone) or Vasopressin results in