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Biology 10 Chapter 13 - Support and Movement - 7
1.
What is produced by some bones?
a) Hormones
b) Mucous
c) Blood cells
d) Oxygen
2.
What is the outer layer of bone called?
a) Spongy bone
b) Fibrous bone
c) Elastic bone
d) Compact bone
3.
What is the nature of outer layer of bone?
a) Porous
b) Soft
c) Hard
d) All are correct
4.
What is the inner layer of bone called?
a) Compact bone
b) Spongy bone
c) Elastic bone
d) Fibrous bone
5.
What is the nature of inner layer of bone?
a) Both b and c
b) Porous
c) Soft
d) Hard
6.
What is present in spongy bone?
a) Blood vessels
b) Lacuna
c) Bone marrow
d) Both b and c
7.
How many bones an adult skeleton has?
a) 208
b) 201
c) 210
d) 206
8.
Which of the following mineral is present in bone?
a) Iodine
b) Sodium
c) Magnesium
d) Calcium
9.
Which of the following mineral is present in bone?
a) Sodium
b) Phosphate
c) Iodine
d) Magnesium
10.
How many soft bones are present in babies?
a) 275
b) 300
c) 285
d) 250
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