Ques:[What can have motility?
Options:
- (A) Small things with a microscope
- (B) gastropod shells
- (C) members of their own species
- (D) one celled organisms
- (E) Something to move
- (F) mitochondria
- (G) rocks
- (H) intestines]
Ans:[Most protists have motility. Protists are one celled organisms. One celled organisms can have motility.
(D)]

Ques:[What powers sweat?
Options:
- (A) heat produced
- (B) The body's fuel
- (C) a gas in the air
- (D) hydration
- (E) When the water is hot
- (F) air cools
- (G) matter vibrating
- (H) Cooling vapors]
Ans:[Evaporation of sweat uses energy, and the energy comes from body heat. Energy is the body's fuel. When sweat is evaporated, the body's fuel is used.
(B)]

Ques:[What do fungi lack that make them unable to make food as producers can?
Options:
- (A) scattered light
- (B) chlorophyll
- (C) Energy.
- (D) sunlight
- (E) Energy
- (F) acetic acid
- (G) Chemical energy
- (H) energy usage]
Ans:[Fungi lack chlorophyll, so they cannot make food by photosynthesis as plants can. If the plant is green, it is a producer. Fungi lack chlorophyll, so they cannot make food by photosynthesis as producers can.
(B)]

Ques:[Growth hormones are derived from phospholipds and:
Options:
- (A) Energy.
- (B) cholesterol
- (C) animals
- (D) layers of fat
- (E) fur and fat
- (F) Chemical energy
- (G) kinetic energy
- (H) Energy]
Ans:
[Steroid hormones are made of lipids, such as phospholipids and cholesterol. Steroids are a kind of growth hormones. Growth hormones are derived from phospholipids and cholesterol.
(B)]