Which pair of geographical area shows maximum diversity in our country.
1. Sunderbans and Rann of Kutch
2. Eastern Ghates and Western Ghats
3. Eastern Himalayas and Western Ghats
4. Kerala and Punjab

In India, we find mangoes with different flavours, colours, fibre content, sugar content, and even shelf life. The large variation is on account of:

The Earth Summit was held in Rio do Janeiro in:

When a threatened plant needs urgent measures to save it from extinction, the desirable approach is:

Biodiversity should be conserved as it plays a major role in many ecosystem services that nature provides. Such an argument is called:

The search for previously unknown compounds in organisms that have never been used in traditional medicine is known as:

What percentage of total oxygen in the earth’s atmosphere is produced by Amazon rainforest through photosynthesis?

The most important cause of the loss of biodiversity today is the:
1. Habitat loss and fragmentation
2. Overexploitation
3. Alien species invasion
4. Co-extinctions

Extinction of Stellar’s sea cow and passenger pigeon was due to:

What exotic introduction is threatening indigenous catfishes in our rivers?