If $'+'$ sign is assigned to beneficial interaction, $'-'$ sign to detrimental and $'O'$ sign to neutral interaction, then the population interaction represented by $'+'\, '-'$ refers to
If $'+'$ sign is assigned to beneficial interaction, $'-'$ sign to detrimental and $'O'$ sign to neutral interaction, then the population interaction represented by $'+'\, '-'$ refers to
- [NEET 2016]
- A
mutualism
- B
amensalism
- C
commensalism
- D
parasitism.
Similar Questions
Gause's law is true only when
Gause's law is true only when
Match the columns :
Column - $I$
Column - $II$
$(a)$ Cacti
$(i)$ Leguminous plants
$(b)$ Shade loving plants
$(ii)$ Commensalism
$(c)$ Halophytes
$(iii)$ Pioneer community
$(d)$ Crustose lichen
$(iv)$ Plants growing in saline environment Xerophyte
$(e)$ Interspecific
interaction
$(v)$ Xerophytes
$(f)$ Rhizobium
$(vi)$ Sciophytes
Match the columns :
| Column - $I$ | Column - $II$ |
| $(a)$ Cacti | $(i)$ Leguminous plants |
| $(b)$ Shade loving plants | $(ii)$ Commensalism |
| $(c)$ Halophytes | $(iii)$ Pioneer community |
| $(d)$ Crustose lichen | $(iv)$ Plants growing in saline environment Xerophyte |
|
$(e)$ Interspecific interaction |
$(v)$ Xerophytes |
| $(f)$ Rhizobium | $(vi)$ Sciophytes |
An orchid plant is growing on the branch of mango tree. How do you describe this interaction between the orchid and the mango tree?
An orchid plant is growing on the branch of mango tree. How do you describe this interaction between the orchid and the mango tree?
Competition for food, light and space is most severe between two
Competition for food, light and space is most severe between two
$a.$ Loss of unnecessary sense organs
$b.$ Pressence of adhesive organs
$c.$ Presence of suckers
$d.$ High reproductive capacity
$e.$ Well developed digestive system
Choose correct option w.r.t. parasites
$a.$ Loss of unnecessary sense organs
$b.$ Pressence of adhesive organs
$c.$ Presence of suckers
$d.$ High reproductive capacity
$e.$ Well developed digestive system
Choose correct option w.r.t. parasites