Identify the positive interaction.

Match List-$I$ with List-$II$.

List-$I$ (Interacting species)	List-$II$ (Name of interaction)
$A$. $A$ Leopard and a Lion in a forest/grassland	$I$. Competition
$B$. $A$ Cuckoo laying egg in a Crow's nest	$II$. Brood parasitism
$C$. Fungi and root of a higher plant in Mycorrhizae	$III$. Mutualism
$D$. $A$ cattle egret and a Cattle in a field	$IV$. Commensalism

Choose the correct answer from the options given below.

Select the statement that best describes commensalism.

Which of the following is not a defence evolved by a prey to avoid predators?

Match the following columns:

Column-$I$	Column-$II$
$P. +,+$	$I. \text{Mutualism}$
$Q. -,-$	$II. \text{Parasitism}$
$R. -,0$	$III. \text{Competition}$
$S. +,0$	$IV. \text{Amensalism}$
$T. +,-$	$V. \text{Commensalism}$
	$VI. \text{Predation}$

Which of the following is an example of a defense used by plants against herbivores?
$I.$ Production of caffeine,tannin,quinine
$II.$ More production of non-woody tissues
$III.$ Production of hairs,thorns,spines
$IV.$ Production of hormone-like chemicals that interfere with insect metamorphosis
Select the correct pair.