What has a centralized nervous system with a brain?
Options:
- (A) Birds
- (B) pan
- (C) virus
- (D) sharks
- (E) Man
- (F) trout
- (G) leech
- (H) parasite
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Let's think first: Fish have a centralized nervous system with a brain. Fish include trout and other fish. Trout have a centralized nervous system with a brain.... So the answer is [(F)]

What element may be stored in sandstone for millions of years?
Options:
- (A) copper
- (B) calcium
- (C) carbon
- (D) chemicals
- (E) heat
- (F) iron
- (G) rock
- (H) fossils
--
Let's think first: Carbon may be stored in sedimentary rock for millions of years. Sedimentary Rocks One of the commonest sedimentary rocks is sandstone. Carbon may be stored in sandstone for millions of years.... So the answer is [(C)]

Some viruses do not affect the host and live in what kind of state in the body?
Options:
- (A) inactive
- (B) devastating
- (C) recovery
- (D) negative
- (E) hyperactive
- (F) sleep
- (G) excited
- (H) cold
--
Let's think first: Some viruses live in a dormant state inside the body. When inactive or dormant, Dendrobiums require little or no fertilizer. Some viruses live in an inactive state inside the body.... So the answer is [(A)]

What is one thing viruses do not cause?
Options:
- (A) disease
- (B) AIDS
- (C) illness
- (D) cancer
- (E) Ebola
- (F) fever
- (G) death
- (H) smallpox
--
Let's think first: Populations of viruses do not grow through cell division because they are not cells. Cancer is unregulated cell division. Cancer is not caused by viruses.... So the answer is [(D)]

The windiest side of a mountainous peninsula also has the most of what?
Options:
- (A) mountain
- (B) peninsula
- (C) precipitation
- (D) body water
- (E) heat energy
- (F) rainfall
- (G) windward
- (H) kinetic energy
--
Let's think first: Precipitation falls on the windward side of the mountain range. For example, the windward side of a peninsula is the windiest side. The windiest side of a mountainous peninsula would have the most precipitation.... So the answer is [(C)]

Fertilization occurs when an egg and what join together to form a diploid zygote?
Options:
- (A) rapid expansion
- (B) testosterone
- (C) gastropod shells
- (D) penis
- (E) peachleaf willow
- (F) pollen
- (G) male hormone
- (H) male gamete
--
Let's think first: Fertilization occurs when a sperm and an egg fuse to form a diploid zygote. Male gametes are called sperm. Fertilization occurs when a male gamete and an egg fuse to form a diploid zygote.... So the answer is [(H)]