Earth’s crust below the oceans is composed of ______ rocks.
- (A) Slate
- (B) Igneous
- (C) Metamorphic
- (D) Sedimentary
- (D) Sedimentary
The uppermost portion of the earth is called the crust or:
- (A) Minerals
- (B) Mantle
- (C) Lithosphere
- (D) Sedimentary
- (C) Lithosphere
Artesian wells are formed in ______ rocks.
- (A) Basalt
- (B) Coral
- (C) Dykes
- (D) Aquifer
- (D) Aquifer
The core of the earth is also known as:
- (A) Lithosphere
- (B) Besosphere
- (C) Barysphere
- (D) Centrosphere
- (C) Barysphere
Acid rain can cause:
- (A) Destruction of crops and tree
- (B) Destruction of fish
- (C) Damage to buildings
- (D) All of these
- (D) All of these
Which is formed generally in the evergreen forests?
- (A) Sundari
- (B) Rosewood
- (C) Sandalwood
- (D) Indian Birch
- (B) Rosewood
The tree which sends down roots from its branches to the soil is known as:
- (A) Palm
- (B) Pine
- (C) Banyan
- (D) Oak
- (C) Banyan
The lightest layer of the earth is:
- (A) Nife
- (B) Sial
- (C) Sima
- (D) Mantle
- (B) Sial
The ore in the earth’s crust have come from:
- (A) Underground magma
- (B) Frequent volcanic eruption
- (C) Lava concentration
- (D) Radioactive decay
- (B) Frequent volcanic eruption
Sand stone belongs to _______ rocks.
- (A) Arenaceous
- (B) Calcareous
- (C) Argillaceous
- (D) Carbonaceous
- (A) Arenaceous