If stars are seen to rise perpendicular to the horizon by an observer, he is located on the:

(A) Equator

(B) Tropic of cancer

(C) South pole

(D) North pole

The high density of population in Nile valley and Island of Java is primarily due to:

(A) Intensive agriculture

(B) Industrialization

(C) Urbanization

(D) Tropographic constraints

Consider the following statements made about the sedimentary rocks:

1. Sedimentary rocks are formed at earth's surface by the hydrological system.

2. The formation of sedimentary rocks involves the weathering of pre-existing rocks.

3. Sedimentary rocks contain fossils.

4. Sedimentary rocks typically occur in layers.

(A) 1 and 2

(B) 1 and 4

(C) 2, 3 and 4

(D) 1, 2, 3 and 4

A class of animals known as marsupials is a characteristic feature of:

(A) Africa

(B) Australia

(C) South america

(D) South- east asia

Identify the correct order of the processes of soil erosion from the following:

(A) Splash erosion, sheet erosion, rill erosion, gully erosion

(B) Sheet erosion, splash erosion, gully erosion, rill erosion 

(C) Rill erosion, gully erosion, sheet erosion, splash erosion

(D) Gully erosion, rill erosion, sheet erosion, splash erosion

Which one of the following rivers falls in a land locked sea?

(A) St. Lawrence

(B) Niger

(C) Volga

(D)  Danube

Which one of the following metals have the highest density?

(A) Gold

(B) Iron

(C) Platinum

(D) Lead

The contact of two air masses differing sharply in humidity originates:

(A) Tropical cyclones

(B) Inter tropical convergence

(C) Temperate cyclones

(D) Tropospheric instability

The UN census Bureau has projected world population in 2050 to be around:

(A) 8850 million

(B) 9346 million

(C) 8246 million

(D) 7590 million