Ques:[What do fungi require?
Options:
- (A) Energy
- (B) food
- (C) allow growth
- (D) warmth
- (E) Exfoliation
- (F) Bodily water
- (G) evaporation
- (H) nitrogen]
Ans:[Fungi are the only organisms that can decompose wood. Nitrogen Deficiency Decomposing wood requires nitrogen. Fungi require nitrogen.
(H)]

Ques:[What does the human immunodeficiency virus destroy?
Options:
- (A) B cells
- (B) bacteria
- (C) helper T cells
- (D) animals
- (E) epidermis and dermis
- (F) critical organs
- (G) an organism's body
- (H) cancer cells]
Ans:[HIV infects and destroys helper T cells. HIV, the human immunodeficiency virus, is a retrovirus. The human immunodeficiency virus infects and detroys helper T cells.
(C)]

Ques:[Which body of water would be able to dissolve oxygen and nutrients the best?
Options:
- (A) NaCl
- (B) Lake
- (C) Puddle
- (D) Pond
- (E) rain
- (F) CO 2
- (G) River
- (H) sugar]
Ans:[Running water is better able to dissolve oxygen and nutrients than standing water. Also, running water in rivers is the major force of erosion on the surface of the earth. Rivers are better able to dissolve oxygen and nutrients than standing water.
(G)]

Ques:[Mutation leads to _.
Options:
- (A) Devolution
- (B) Plants growth
- (C) rapid expansion
- (D) Evolution.
- (E) Degeneration
- (F) Extinction
- (G) massive damage
- (H) anemia]
Ans:
[Mutation creates new genetic variation in a gene pool. Genetic variation is the raw material for evolution. Mutation leads to evolution.
(D)]