Spiders and scorpions are:
Insects
Millipedes
Arachnids
Crustaceans
Choanocytes are unique feature of which phylum?
Protozoa
Porifera
Mollusca
Echinodermata
The term 'species' was first proposed by:
Aristotle
Linnaeus
John ray
Leeuwen hoek
The body cavity of arthropoda is:
Pseudocoel
Coelom
Haemocoel
Acoelom
Sub-phylum Urochordata includes which of the following groups of animals?
Amphibians
Marine animals
Terrestrial animals
Birds
The algal partner of a lichen is called:
Mycobiont
Phycobiont
Both 1 and 2
None of the above
Which are the excretory organs in members of phylum Platyhelminthes?
Nephridia
Malpighian tubules
Flame cells (solenocytes)
Green glands
Who introduced binomial nomenclature?
John Ray
A. P. de Candolle
A. L. de Jussien
Carolus Linnaeus
An example of phylum Echinodermata is:
Prawn
Starfish
Octopus
Apis
Homo: generic name, sapiens: ?
Species name
Human name
Division name
Organism's name
