Which one of the following is not a Bird Sanctuary?

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

According to $IUCN$, when a taxon is facing an extremely high risk of extinction in the immediate future, it is

The state of Gujarat has river, desert, forest and lake ecosystems, thus exihibiting a diversity of life. Which measure do you use to denote total diversity in such a case?

Tiger is not a resident in which one of the following national parks?

The region of biosphere reserve which is legally protected and where no human activity is allowed is known as