Ques:[What is an example of an entity that can live on in a completely inactive state?
Options:
- (A) an object
- (B) sloths
- (C) hibernating bears
- (D) Conifers
- (E) chickenpox
- (F) barnacles
- (G) a fish
- (H) mammals]
Ans:[Some viruses live in a dormant state inside the body. After an episode of chickenpox, the virus becomes dormant in the body. Chicken pox can live in an inactive state.
(E)]

Ques:[Plants make food from what?
Options:
- (A) Chemical energy
- (B) inorganic molecules
- (C) photosynthesis
- (D) Light passing through water
- (E) direct energy
- (F) absorb light energy
- (G) Organic compounds
- (H) In their leaves]
Ans:[Producers make food from inorganic molecules. Plants are known as producers . Plants make food from inorganic molecules.
(B)]

Ques:[What relies on a relatively narrow range of something you can measure with paper strips?
Options:
- (A) Length
- (B) voltage
- (C) all life
- (D) mammals
- (E) humans
- (F) Most plants
- (G) agriculture
- (H) animals]
Ans:[All life relies on a relatively narrow range of pH, or acidity. Acidity is measured with a pH meter or with pH paper strips. All life relies on a relatively narrow range of something you can measure with paper strips.
(C)]

Ques:[Bromeliads and cacti have adapted to very _ environments.
Options:
- (A) dry
- (B) wet
- (C) arid
- (D) cold
- (E) UV
- (F) warm
- (G) humid
- (H) fern]
Ans:
[Plants that are adapted to very dry environments are called xerophytes. Bromeliads and cacti are xerophytes. Bromeliads and cacti have adapted to very dry environments.
(A)]