EXCRETORY SYSTEM NEET

Animals accumulate following products produced either by metabolic activities or excessive ingestion

• Ammonia,Urea,uric acid.

• Carbon dioxide and water

• Ions like Na,k,Cl , phosphate, Sulphates etc

• All of the above

Major forms of Nitrogenous waste products excreted by animals are

• Ammonia

• Urea

• Uric acid

• All of the above

Most toxic form of Nitrogenous waste requiring large amount of water for excretion is

• Ammonia

• Urea

• Uric acid

• None of the above

Ammonotelism is process of excreting

• Ammonia

• Urea

• Uric acid

• None of the above

Many bony fishes, aquatic amphibians and aquatic insects are ammonotelic

• True

• False

As ammonia is readily soluble, it is generally excreted by

• Diffusion

• Osmosis

• All of the above

• None of the above

Ammonia is excreted through gill surfaces in fish in which form

• Ammonium ions

• Ammonia

• All of the above

• None of the above

Kidneys donot play significant role in removal of ammonia in

• Fish

• Man

• Birds

• None of the above

Terrestrial adaptation necessitated the production of

• Urea

• Uric acid

• Both a and b

• Ammonia

For conservation of water terrestrial adaptation necessitated production of less toxic Nitrogenous wastes like

• Urea and Uric acid

• Ammonia

• Ammonia, urea and Uric acid

• None of the above