The Earth Summit held in Rio de Janeiro in 1992 was called:

1.	for immediate steps to discontinue the use of CFCs that were damaging the ozone layer
2.	to reduce  CO2  emissions and global warming
3.	for the conservation of biodiversity and sustainable utilization of its benefits
4.	to assess the threat posed to native species by invasive weed species

Which one of the following is not a method of in situ conservation of biodiversity?

1. Sacred Grove

2. Biosphere Reserve

3. Wildlife Sanctuary

4. Botanical Garden

Which of the following is considered a hot spot of biodiversity in India?

1. Western Ghats

2. Indo-Gangetic plain

3. Eastern Ghats

4. Aravalli hills

Which one of the following is not included under in situ conservation?

1. Sanctuary

2. Botanical garden

3. Biosphere reserve

4. National park

Which one of the following pairs of organisms are exotic species introduced in India?

1. Ficus religiosa. Lantana camara

2. Lantana camara, Water hyacinth

3. Water hyacinth, Prosopis cineraria

4. Nile perch, Ficus religiosa

Which one of the following is an example of ex-situ conservation?

1. Wildlife sanctuary

2. Seed bank

3. Sacred groves

4. National park