biology : class11 Protection Function : Simple Epithelium, Compound Epithelium, Functions : Epithelial Tissue MCQ Questions and Answers
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Protection Function
MCQ questions and answers.
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MCQ Questions
1. Which is the main protective function of epithelial tissue?
A.
It protects underlying tissues from injury
B.
It produces red blood cells
C.
It stores calcium in bones
D.
It carries nerve impulses
Correct Answer:
It protects underlying tissues from injury
Explanation:
Epithelial tissue forms a covering over body surfaces and protects the tissues beneath it from physical damage.
2. Which type of epithelium provides better protection because it has several cell layers?
A.
Simple epithelium
B.
Compound epithelium
C.
Ciliated epithelium
D.
Glandular epithelium
Correct Answer:
Compound epithelium
Explanation:
Compound epithelium has multiple layers of cells, making it suitable for protection against wear and tear.
3. Simple epithelium consists of:
A.
A single layer of cells
B.
Many layers of cells
C.
Only dead cells
D.
A layer of muscle cells
Correct Answer:
A single layer of cells
Explanation:
Simple epithelium has only one cell layer and can provide a basic protective covering over surfaces.
4. The epithelial lining of the skin mainly helps in:
A.
Protection from physical injury
B.
Pumping blood
C.
Producing bile
D.
Storing urine
Correct Answer:
Protection from physical injury
Explanation:
The epithelial covering of the skin acts as a protective barrier against physical damage.
5. Which epithelial tissue is best suited to protect areas exposed to constant friction?
A.
Compound epithelium
B.
Simple squamous epithelium
C.
Simple cuboidal epithelium
D.
Simple columnar epithelium
Correct Answer:
Compound epithelium
Explanation:
The several layers of compound epithelium protect tissues from repeated friction and mechanical stress.
6. Epithelial tissue protects the body by forming a:
A.
Covering or lining
B.
Bone framework
C.
Blood vessel pump
D.
Nerve network
Correct Answer:
Covering or lining
Explanation:
Epithelium covers external surfaces and lines internal organs, forming a protective boundary.
7. Which feature of compound epithelium helps it perform its protective function?
A.
Presence of multiple cell layers
B.
Presence of long nerve fibres
C.
Presence of contractile fibres
D.
Presence of bone minerals
Correct Answer:
Presence of multiple cell layers
Explanation:
Multiple layers provide extra protection because superficial cells can be damaged or worn away without exposing the underlying tissue immediately.
8. The protective epithelial covering prevents harmful substances from easily reaching:
A.
Underlying tissues
B.
Air in the atmosphere
C.
The outer surface of hair
D.
The cavity of a bone
Correct Answer:
Underlying tissues
Explanation:
The epithelial barrier separates underlying tissues from harmful external agents and physical damage.
9. Which statement about compound epithelium is correct?
A.
It is mainly suited for protection
B.
It consists of only one cell
C.
It is found only in blood
D.
It cannot cover body surfaces
Correct Answer:
It is mainly suited for protection
Explanation:
Because compound epithelium has multiple layers, it is especially adapted to protect body surfaces and internal linings.
10. A protective epithelial layer helps reduce damage caused by:
A.
Friction and minor physical injury
B.
The beating of the heart
C.
The formation of bones
D.
The transmission of sound
Correct Answer:
Friction and minor physical injury
Explanation:
Epithelial coverings protect underlying tissues from friction and other minor mechanical injuries.
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