In phylum Aschelminthes, the alimentary canal is:
Complete
Incomplete
Not present
Not visible
The term 'species' was first proposed by:
Aristotle
Linnaeus
John ray
Leeuwen hoek
Organisms that feed upon decaying matter are called:
Heterotrophs
Saprophytes
Myxophytes
Autotrophs
Assertion: Bat is a bird Reason:Bat can fly
Both Assertion and Reason are true
Both Assertion and Reason are false
Assertion is true, but Reason is false
Assertion is false, but Reason is true
The algal partner of a lichen is called:
Mycobiont
Phycobiont
Both 1 and 2
None of the above
Spiders and scorpions are:
Insects
Millipedes
Arachnids
Crustaceans
The science of classification is called:
Demography
Taxonomy
Biology
Chronology
Who introduced binomial nomenclature?
John Ray
A. P. de Candolle
A. L. de Jussien
Carolus Linnaeus
Which taxonomic term may be substituted for any rank in the classification?
Class
Genus
Species
Taxon
Which are the excretory organs in members of phylum Platyhelminthes?
Nephridia
Malpighian tubules
Flame cells (solenocytes)
Green glands
