Chapter 16 Quiz 2

Which of the following structures of the human ear can amplify vibrations?

• eardrum

• ear bones

• cochlea

• oval window

Which of the following structures of the human ear contains sensory hair cells?

• eardrum

• ear bones

• cochlea

• oval window

Which of the following structures of the human ear can convert sound waves into vibrations?

• eardrum

• ear bones

• cochlea

• oval window

Which of the following structures of the human ear can release pressure built up in the cochlea?

• ear bones

• cochlea

• oval window

• round window

Which of the following structures of the human ear separates the middle ear from the inner ear?

• ear bones

• cochlea

• oval window

• round window

Tropism is the directional growth response carried out by certain parts of a plant. It occurs when a plant is subjected to a (a) ________________ stimulus. The tropic response is described as positive when the direction of the response is (b) ________________ the source of stimulus.

• (a) unilateral；(b) towards

• (a) unilateral；(b) away from

• (a) bilateral；(b) towards

• (a) bilateral；(b) away from

Light is an example of stimulus to which many plants respond. Their response to light is called (c) ________________. Their shoots respond to unilateral light by growing (d) ________________ it.

• (c) geotropism；(d) towards

• (c) geotropism；(d) away from

• (c) phototropism；(d) towards

• (c) phototropism；(d) away from