Life Science, New York Edition

Chapter 21: Control and Coordination

Section 2 Self-Check Quiz-Eng.


1.	A lens that is thicker at the edges than in the middle is called __________. Need a Hint?
		A)	a concave lens
		B)	a convex lens
		C)	an optic lens
		D)	an inverted lens


2.	__________ are cells in the retina used to detect shape and movement. Need a Hint?
		A)	Cones
		B)	Lenses
		C)	Rods
		D)	Pupils


3.	The __________ is the front part of your eye. Need a Hint?
		A)	cochlea
		B)	hammer
		C)	retina
		D)	cornea


4.	A lens that is thicker in the middle and thinner at the edges is called __________. Need a Hint?
		A)	a convex lens
		B)	a concave lens
		C)	a focal lens
		D)	a refracting lens


5.	People who are farsighted cannot clearly see objects __________. Need a Hint?
		A)	that are more than 3 m away from them
		B)	until they are over 65 years old
		C)	unless they remove their glasses
		D)	that are less than 1 m away from them


6.	People who are nearsighted cannot see objects clearly __________. Need a Hint?
		A)	that are less than 1 m away from them
		B)	if they are less than 55 years old
		C)	unless they remove their contact lenses
		D)	that are more than 3 m away from them


7.	One function of your inner ear is to maintain __________. Need a Hint?
		A)	balance
		B)	gravity
		C)	stimuli
		D)	impulses


8.	Which of the following dissolves food in your mouth? Need a Hint?
		A)	acid
		B)	palate
		C)	esophagus
		D)	saliva


9.	When your finger accidentally gets caught in a door, the pain message is sent to your brain through __________. Need a Hint?
		A)	sensory receptors
		B)	homeostasis
		C)	the medulla
		D)	caffeine


10.	Which of the following does the skin NOT sense? Need a Hint?
		A)	taste
		B)	pressure
		C)	pain
		D)	temperature