Animal Tissues; Morphology, Anatomy and Functions of Different Systems (Digestive, Circulatory, Respiratory, Nervous and Reproductive) of an Insect (Frog). NEET Questions

Biology - Structural Organisation in Animals and Plants

Animal Tissues; Morphology, Anatomy and Functions of Different Systems (Digestive, Circulatory, Respiratory, Nervous and Reproductive) of an Insect (Frog). MCQ Questions


7.
Glandular epithelium is mainly concerned with:
A.
Movement of particles
B.
Absorption only
C.
Secretion
D.
Protection only
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ANSWER :
C. Secretion
8.
Goblet cells of the intestine are an example of:
A.
Multicellular endocrine glands
B.
Unicellular endocrine glands
C.
Unicellular exocrine glands
D.
Multicellular exocrine glands
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ANSWER :
C. Unicellular exocrine glands
9.
Endocrine glands differ from exocrine glands in that they:
A.
Are ductless and pour secretions directly into blood
B.
Secrete enzymes only
C.
Have ducts and pour secretions onto epithelial surfaces
D.
Lack secretions altogether
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ANSWER :
A. Are ductless and pour secretions directly into blood
10.
Compound epithelium consists of:
A.
A single layer of cells with cilia
B.
Loose cells with abundant intercellular matrix
C.
Two or more cell layers with limited role in secretion/absorption
D.
A single layer of cells specialized for absorption
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ANSWER :
C. Two or more cell layers with limited role in secretion/absorption
11.
Tight junctions in epithelial cells:
A.
Cement neighbouring cells together with abundant matrix
B.
Allow free flow of all substances between cells
C.
Allow rapid communication via ion flow
D.
Help to stop substances from leaking across a tissue
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ANSWER :
D. Help to stop substances from leaking across a tissue
12.
Gap junctions facilitate:
A.
Conduction of impulses across synapse
B.
Stopping substances from leaking
C.
Mechanical attachment of cells
D.
Communication between cells by permitting passage of ions and small molecules
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ANSWER :
D. Communication between cells by permitting passage of ions and small molecules