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Biology 12 Chapter 16 - Support and Movements - 11
1.
What is the disadvantage of exoskeleton?
Soft body becomes dry
Animals can grow larger
Animals cannot grow larger
Its not permits gaseous exchange
2.
The removal of exoskeleton is called?
All of above
Ecdysone
Ecdysis
Removal of exoskeleton
3.
From where enzymes are secreted for removal of exoskeleton?
Procuticle
Epicuticle
Hypodermis
Hypodermal glands
4.
Which of the following is use for hardened the exoskeleton?
Sodium carbonate
Calcium carbonate
Calcium bicarbonate
Sodium bicarbonate
5.
What is the name of hormone that controlled the process of ecdysis?
Ecdysone
Moulten
Trypsin
Lipase
6.
Where red blood cells are form in the human body?
Spongy bone
None
Compact bone
Bone marrow
7.
How bones help to maintain mineral homeostasis?
Take up minerals through -ive feedback
Release or take up minerals through -ive feedback
Release minernals through -ive feedback
Release or take up minerals through +ive feedback
8.
Which of the following tissues made Exoskeleton?
Cartilage
Bones
Bones and cartilage
Collagen
9.
The cells of bones and cartilage embedded in the matrix of protein i.e called?
Globular
Collagen
Fibreous
Actin
10.
Which of the following is the type of bone cells?
All of these
Osteocyte
Osteoclast
Osteoblast
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