Botany MCQs for NEET — Practice Questions with Answers

Species diversity is crucial for the stability and normal functioning of ecosystems. Higher species diversity leads to greater ecosystem resilience, productivity, and ability to recover from disturbances. This is because a diverse set of species can exploit resources more efficiently and provide a broader range of ecosystem services.

Ecosystem diversity refers to the variety of ecosystems in a given place. This includes the different species, genes, and ecological processes that occur within each ecosystem. Therefore, 'Variation in species diversity in Ecosystem' is the correct option.

Biodiversity can be conserved through various means including the maintenance of different species, genes of different species, and different ecosystems. Hence, 'All of the given' is the correct option.

The Caspian Tiger is indeed an extinct species. The Bali Tiger and Javan Tiger are also extinct, but the specific correct pair among the given options is the Caspian Tiger as an extinct species. The Bali Tiger and Javan Tiger are not correctly categorized in the options.

The Sundarbans National Park is primarily known for being a habitat of the Bengal Tiger. It is one of the largest reserves for the Bengal Tiger and a UNESCO World Heritage Site.

The Quagga was a subspecies of the plains zebra, which makes it a mammal. It is an extinct species that once lived in South Africa.

The 'evil quartet' refers to four major causes of species extinction which include habitat destruction, over-exploitation, alien species invasions, and co-extinctions. Coevolution is not part of this quartet.