Biological Classification NCERT Flashcards
______ was the earliest to attempt a more scientific basis for classification.
Aristotle
Aristotle used simple morphological characters
to classify plants into-
I. Trees
II. Shrubs
III. Herbs
Aristotle also divided animals into two groups-
I. Animals having red blood
II. Animals have no red blood
Name of two Kingdoms that were developed during Linnaeus’ time
Plantae and Animalia
In ______ year, ______ proposed the five-kingdom Classification system.
1969; R-H- Whittaker
Name of kingdoms defined by Whittaker-
Monera, Protista, Fungi, Plantae and Animalia
Criteria used by Whittaker for classification were:
cell structure
body organization
mode of nutrition
reproduction
phylogenetic relationships
Earlier, Chlamydomonas and Spirogyra were placed together under _______
Algae
Kingdom Protista has:
_____ and _____ (earlier placed in Algae within Plants and both having cell wall)
_____ and _____ (which were earlier placed
in the animal kingdom which lacking cell wall).
Having Cell wall - Chlamydomonas and Chlorella,
Lacking Cell wall - Paramoecium and Amoeba
Sole members of Kingdom Monera are
Bacteria
Most abundant micro-organisms are
Bacteria
Spherical-shaped bacteria are grouped under which category?
Coccus
Rod-shaped bacteria are grouped under which category?
Bacillus
Comma-shaped bacteria are grouped under which category?
Vibrium (pl.: vibrio)
Spiral -shaped bacteria are grouped under which category?
Spirillum