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51.
The part of the ear that contains receptors that convert the fluid motion into action potential is called ----
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A.
Auditory nerve
B.
Ossicles
C.
Semicircular canals
D.
Cochlea
E.
Oval window

52.
The thoracic region of the vertebral column is made up of __________ vertebrae.
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A.
5
B.
7
C.
4
D.
12
E.
10

53.
Which of the animal below is poikilothemic?
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A.
Toad
B.
Chicken
C.
Bat
D.
Lion
E.
Dove

54.
Which of the structures below is found in reptiles and birds
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A.
Scales
B.
Legs
C.
Beaks
D.
Claws
E.
All of the above

55.
Which of these animals is photosynthetic?
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A.
Paramecium sp.
B.
Amoeba sp.
C.
Euglena sp.
D.
Hydra sp.
E.
None of the above

56.
Which of these organs regulate the amount of sugar in the blood?
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A.
Liver
B.
Kidney
C.
Spleen
D.
Lung
E.
Pancreas

57.
The basis for growth and asexual reproduction is
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A.
meiosis
B.
cytokinesis
C.
mitosis
D.
Cytogenesis
E.
Cell elongation.

58.
The process which ensures that the chromosome number for each species of organism remain constant from generation to generation is called
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A.
fission
B.
fusion
C.
meiosis
D.
mitosis
E.
oogenesis

59.
Which of the following is a major factor in variation among organisms?
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A.
Inbreeding
B.
Backcrossing
C.
Test crossing
D.
Sexual reproduction
E.
Gene dominance

60.
____________ is an example of an invertebrate
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A.
Millipede
B.
Fish
C.
Toad
D.
Snake
E.
Skin

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