621: Consider the following regions:

1. Eastern Himalayas

2. Eastern Mediterranean region

3. North-western Australia

Which of the above is/are Biodiversity Hotspot(s)?

(a) 1 only
(b) 1 and 2 only
(c) 2 & 3 only
(d) 1, 2, 3
622: Which of the following can be threats to the biodiversity of a geographical area?

1. Global warming

2. Fragmentation of habitat

3. Invasion of alien species

4. Promotion of vegetarianism

Select the correct answer using the codes given below :

(a) 1, 2 and 3 only
(b) 2 and 3 only
(c) 1 and 4 only
(d) 1, 2, 3 and 4
623: Volcanic eruptions do not occur in the

(a) Baltic Sea
(b) Black Sea
(c) Caribbean Sea
(d) Caspian Sea
624: The first feature film (talkie) to be produced in India was

(a) Hatimtai

(b) Alam Ara

(c) Pundalik

(d) Raja Harishchandra
625: The waterfall "Victoria" is associated with the river

(a) Amazon

(b) Missouri

(c) St Lawrence

(d) Zambezi