Chapter 6 Quiz 1

Only animals are heterotrophs.

• True

• False

Plants that carry out photosynthesis are autotrophs.

• True

• False

Heterotrophs feed on autotrophs only.

• True

• False

Which of the following correctly describes carbohydrates?

• the most abundant substance in a human body

• the major component of cell membranes

• examples include glucose, starch and cellulose

• serve as enzymes and antibodies in the human body

Which of the following correctly describes lipids?

• the most abundant substance in a human body

• the major component of cell membranes

• inorganic substances present in some foods which are important for good health

• serve as enzymes and antibodies in the human body

Which of the following correctly describes proteins?

• the most abundant substance in a human body

• indigestible parts of plant foods which stimulates peristalsis of the digestive tract

• inorganic substances present in some foods which are important for good health

• serve as enzymes and antibodies in the human body

Which of the following correctly describes vitamins?

• the most abundant substance in a human body

• indigestible parts of plant foods which stimulates peristalsis of the digestive tract

• inorganic substances present in some foods which are important for good health

• organic substances that are needed in small amounts for maintaining good health

Which of the following correctly describes minerals?

• the most abundant substance in a human body

• indigestible parts of plant foods which stimulates peristalsis of the digestive tract

• inorganic substances present in some foods which are important for good health

• organic substances that are needed in small amounts for maintaining good health

Which of the following correctly describes dietary fibre?

• the most abundant substance in a human body

• indigestible parts of plant foods which stimulates peristalsis of the digestive tract

• inorganic substances present in some foods which are important for good health

• organic substances that are needed in small amounts for maintaining good health

Which of the following correctly describes water?

• the most abundant substance in a human body

• indigestible parts of plant foods which stimulates peristalsis of the digestive tract

• inorganic substances present in some foods which are important for good health

• organic substances that are needed in small amounts for maintaining good health