Cattle or goats are never browsing on Calotropis growing in abandoned fields because of the presence of

Competition for light, nutrients and space is most severe between

It is much easier for a small animal to run uphill than for a large animal, because

Give the scientific names of any two microorganisms inhabiting the human intestine.

In following which are examples of commensalism ?

$(1)$ Monarch butterfly and bird

$(2)$ Orchid and mango

$(3)$ Fish and flamingo

$(4)$ Calotropis and cattle

$(5)$ Cattle egret and grazing cattle

Select the incorrect match w.r.t. interspecific interaction

species $A$ $\quad\;$species $B$ $\quad$interaction