Life Science

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 __________.
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.
A)Cones
B)Lenses
C)Rods
D)Pupils
3.
The __________ is the front part of your eye.
A)cochlea
B)hammer
C)retina
D)cornea
4.
A lens that is thicker in the middle and thinner at the edges is called __________.
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 __________.
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 __________.
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 __________.
A)balance
B)gravity
C)stimuli
D)impulses
8.
Which of the following dissolves food in your mouth?
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 __________.
A)sensory receptors
B)homeostasis
C)the medulla
D)caffeine
10.
Which of the following does the skin NOT sense?
A)taste
B)pressure
C)pain
D)temperature
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