The presence of diversity at the junction of territories of two different habitats is known as

$A :$ Botanical gardens are ex-situ conservation strategy of plants.
$R :$ National Botanical Garden is situated at Howrah.

Which of the following is an inexhaustible resource?

Mark the odd one out (w.r.t. National Parks)

$A$ : Biosphere reserves are also included under the ex-situ conservation strategies.

$R$ : Cropping and grazing are allowed in the transition zone of biosphere reserve.

Study the four statements $(i-iv)$ given below and select the two correct ones out of them.

$(i)$ A lion eating a deer and a sparrow feeding on grains are ecologically similar in being consumers.

$(ii)$ Predator star fish Pisaster helps in maintaining species diversity of some invertebrates.

$(iii)$ Predators ultimately lead to the extinction of prey species.

$(iv)$ Production of chemicals such as nicotine, strychnine by the plants are metabolic disorders.

The two correct statements are