The herb stage in a lithosere is immediately followed by plants like:
A.Potantilla
B.Zizyphus
C.Umbilicaria
D.Grimmia
Category: Population Biotic Community Mcqs
The biotic factor not involved in the succession:
A.Human beings
B.Non-pathogenic microbes
C.Pathogenic microbes
D.Grazing animals
The effect of individuals of the same species upon each other is called:
A.Reaction
B.Competition
C.Coaction
D.Ecesis
The number of individuals of a species per sampling unit is called its:
A.Biomass
B.Abundance
C.Density
D.Frequency
In a hydrosere, the submered stage is followed by:
A.Phytoplanktons
B.Reed-swamps
C.Sedges
D.Floating plants
A community is:
A.A collection of plant and animals
B.Organism living in a habitat
C.Autotrophs and hetrotrophs
D.Web of life
A place was rocky and barren but now there is a green forest; the sequence of origin is:
A.Lichen, mos, herbs, shrubs
B.Moss, lichen, herbs, shrubs
C.Lichen, moss, shrubs, herbs
D.Shrubs, herbs, moss, lichen
Due to modification of the environment by the plant community itself, when one community is replaced by another suitable community, the succession is called:
A.Induced
B.Deflated
C.Allogenic
D.Autogenic
The herb stage in a lithosere has predominance of plants like
A.Rhus
B.Weissia
C.Poa
D.Capparis
The sequence: blue green algae – crustose lichen – foliose lichen – mosses – shrubs – dicot trees represent
A.Genetic drift
B.Ecological succession trend
C.A food pyramid
D.A phylogenetic trend
