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81.

Ligaments join:

A.	Bones to muscles	B.	Bones to bones
C.	Muscles to muscles	D.	Muscles to cartilages

82.

Major constituent of bone is:

A.	Calcium phosphate	B.	Calcium carbonate
C.	Sodium chloride	D.	Magnesium phosphate

83.

Mammalian bones differ with those of frog in having:

A.	Chondroytes	B.	Haversian canals
C.	Ependymal cells	D.	None of these

84.

Mammalian bone differs from cartilage in having:

A.	Haversian canals	B.	Collagen fibres
C.	Blood vessels	D.	Lymph vessels

85.

If femur of frog is kept in dilute HCI for about three days, it will:

A.	Dissolve	B.	Break into pieced
C.	Become soft and elastic	D.	Remain unchanged

86.

Thin fibrous lining around the bone marrow in long bones of mammals is called:

A.	Endosteum	B.	Periosteum
C.	Endothelium	D.	Peritoneum

87.

Haversian canals during life may contain:

A.	Only an artery and a vein	B.	Only an artery, vein and nerve
C.	Only a lymphatic vessel and some bone cells	D.	A vein, an artery, a nerve and some bone cells

88.

Main hardening materials in bones are:

A.	Phosphates of calcium and magnesium	B.	Phosphates of sodium and magnesium
C.	Sulphates of calcium and magnesium	D.	All of these

89.

A tendon serves to join:

A.	Muscles with muscles	B.	Muscles with bones
C.	Bones with bones	D.	Muscles with nerve

90.

Haversian cannals and Volkmann's canals are characteristic of bone in:

A.	Fishes	B.	Amphibians
C.	Reptiles	D.	Mammals