Test: Epithelial Tissue - 1

30 Questions MCQ Test Biology Class 11 | Test: Epithelial Tissue - 1

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Pseudostratified epithelium is present in :-


Ciliated pseudostratified columnar epithelia are found in the linings of the trachea as well as the upper respiratory tract. Non-ciliated pseudostratified columnar epithelia are located in the membranous part of male vas deferens. Most of the respiratory passageways, from the nasal cavity through the bronchi, are lined by ciliated, pseudostratified columnar epithelium with goblet cells.


Transitional Epithelium is found in :-


Transitional epithelium is a special type of epithelium which has the property of stretchability, it is found in places which requires strechibility as a function such as urinary bladder,ureter etc.


Columnar Epithelium with microvilli or Brush Border is present in :-


A brush border is the microvilli-covered surface of simple cuboidal epithelium and simple columnar epithelium cells found in certain locations of the body. The brush borders of the small intestinal lining are the site of absorption.


Stratified squamous epithelium found in :-


The luminal surface of the tonsils are covered with a stratified squamous epithelium (in common with the oral epithelia). The epithelial cells are able to phagocytose bacteria, and transfer them to macrophages, which then present the foreign antigens to B-cells, which are activated (with the help of T cells).


The internal lining of blood vessels is called as :-


Endothelium refers to cells that line the interior surface of blood vessels and lymphatic vessels, forming an interface between circulating blood or lymph in the lumen and the rest of the vessel wall. It is a thin layer of simple, or single-layered, squamous cells called endothelial cells.


Epithelial lining of bartholin's duct is composed of which type of cells :-


Cuboidal epithelium:- is found in organs that are specialized for secretion such as salivary glands and thyroid follicles, and those that are specialized for diffusion, such as the kidney tubules. the tissue consists of a single layer of cuboidal cells on the basement membrane.


Term tissue is coined by (for animal anatomy) :-


Pleurisy (PLOOR-ih-see) is a condition in which the pleura — a membrane consisting of a layer of tissue that lines the inner side of the chest cavity and a layer of tissue that surrounds the lungs — becomes inflamed. Also called pleuritis, pleurisy causes sharp chest pain (pleuritic pain) that worsens during breathing.


Non keratinised stratified squamous epithelium is found in :-


Lining of buccal cavity and oesophagus contain non keratinised, where as the rest of the alimentary canal is lined by cuboidal epithelium.


Epithelial lining of cornea is composed of :-


The corneal epithelium is the outermost layer of the cornea. It is composed of a single layer of basal cells and 4-5 cell layers of non keratinized, stratified squamous epithelial cells, which are held together by tight junctions, to form an effective barrier against fluid loss and pathogen penetration.


Epithelial tissue originated from :-


Ectoderm: The epithelial cells of the skin and oral cavity (epidermis) are derived from ectoderm. Epithelial cells covering the cornea and lens, as well as sensory receptors of the eyes, ears, and nose, are also ectodermal in origin...,

Mesoderm: The epithelial lining of blood vessels (endothelium) is derived from mesoderm. The epithelial lining of the pleural and peritoneal cavities (mesothelium) also originate from mesodermal cells....,

Endoderm: The epithelial lining of the respiratory system and digestive tracts - as well as the functional cells (parenchyma) of the liver, pancreas, gallbladder, thyroid, and parathyroid, are derived from endoderm.....


Basement membrane is composed of :-


The basement membrane is composed of two layers, the basal lamina and the underlying layer of reticular connective tissue. The clear layer closer to the epithelium is called the lamina lucida, while the dense layer closer to the connective tissue is called the lamina densa.


Inner lining of gut, stomach & liver is made up of :-


Simple columnar cells are found In major organs like stomach as it plays a very important role in secretion and absorption.


Epithelial tissue with thin flat cells appearing like packed tiles occurs on :-

[AIPMT - 94]


The simple squamous epithelial tissues are present in the skin. These cells are present in the inner surface of the cheek. These cells are the single layer of cells placed on the basement membrane in the form of tiles. They are compactly arranged without the intercellular spaces similar to the packing and arrangement of tiles.

option D is correct.


Compound squamous epithelium occurs in  :-


The pharynx is a part of the digestive system which is the conducting zone of the respiratory system. The pharynx makes up the part of the throat situated immediately posterior to the nasal cavity, posterior to the mouth and superior to the esophagus and larynx. The pharynx is lined by non-keratinised squamous stratified epithelium also called as compound squamous epithelium.


Cells of Peritoneum comprise :-


Squamous epithelium.

Example:- Mesothelium of body cavities (pleura,peritoneum,and pericardium), wall of Bowman's capsule, alveoli in lungs,retina of eye,endothelium of blood vessels.


Ciliated Epithelium occurs in frog :-


Cilia can be defined as the hair-like structures that sit on top of a tissue. They wave back and forth which help move things. 
Ciliated epithelium performs the function of moving particles or fluid over the epithelial surface in such structures as the trachea, bronchial tubes, and nasal cavities. 
A ciliated columnar epithelium lines the lumen of the uterine tube, where currents generated by the cilia propel the egg cell toward the uterus. They are also present in the buccal cavity of frog.


Germinal Epithelium of ovary is formed of :-


The cellular covering of internal and external surfaces of the body, including the lining of vessels and other small cavities. It consists of cells joined by small amounts of cementing substances. Epithelium is classified into types on the basis of the number of layers deep and the shape of the superficial cells. Cuboidal epithelium epithelium whose cells are of approximately the same height and width, and appear square in transverse section.


Epidermis of skin of vertebrates comprises :-


A stratified squamous epithelium consists of squamous (flattened) epithelial cells arranged in layers upon a basal membrane. Only one layer is in contact with the basement membrane; the other layers adhere to one another to maintain structural integrity.


Inner lining of Blood vessels and heart is tesselleted Epithelium. Which is :-


Inner lining is also known as endothelium.tunica intima(endothelium)of a artery will normally appear wavy because of the partial constriction of the smooth muscle in the tunica media, the next layer of blood vessel walls.


Lining of larynx is :-


Larynx is lined by ciliated pseudostratified columnar epithelium except vocal cords (lined by stratified squamous epithelium). The wall of larynx is reinforced by cartilage tissue. Large cartilages (cartilago thyroidea, cartilago cricoidea) and part of cartilago arytenoidea are composed of hyaline cartilage.


Olfactory Epithelium (Scheneidarian membrane) is composed of :-


The mucus that lines the nasal cavity and controls the ionic milieu of the olfactory cilia is produced by secretory specializations (called Bowman's glands) distributed throughout the epithelium.This entire apparatus—mucus layer and epithelium with neural and supporting cells—is called the nasal mucosa.


Basement membrane is absent in :-


The basement membrane is a thin, fibrous, extracellular matrix of tissue that separates the lining of an internal or external body surface from underlying connective tissue in metazoans. 
Transitional epithelium is a stratified tissue made of multiple cell layers, where the cells constituting the tissue can change shape depending on the distention in the organ. When the organ is filled with fluid, cells on the topmost layer of this epithelium can stretch and appear flattened. Alternately, they can also appear cuboidal with a rounded shape when the fluid pressure is low.


Stretchable & Water proof Epithelium :-


Transitional epithelium is a type of tissue consisting of multiple layers of epithelial cells that contract and expand. This tissue structure type is found in urothelium, including that of the urinary bladder, the ureters and the superior urethra and gland ducts of the prostate. Transitional epithelium is stretchable and waterproof. The cells of transitional epithelium are highly keratinized and contain tight junctions or virtually impenetrable junctions, that seal together the cellular membranes of neighboring cells. This barrier prevents reabsorption of toxic wastes and pathogens by the bloodstream.


Mesothelium is :-


The mesothelium is a membrane composed of simple squamous cells that form the lining of several body cavities, the pleura, peritoneum and pericardium. Mesothelial tissue also surrounds the male internal reproductive organs and covers the internal reproductive organs of women. Mesothelium that covers the internal organs is called as visceral mesothelium, while the layer that covers the body walls is called as the parietal mesothelium. Mesothelium is the epithelial component of serosa.


Lining of brain ventricle & central canal of spinal cord is called as:-


Line of brain ventricle is called ependymal epithelium. All of the ventricular system and the central canal of the spinal cord are lined with ependyma, a specialised form of epithelium connected by tight junctions that make up the blood–cerebrospinal fluid barrier.


Term Epithelium coined by :-


Ruysch created the term from the Greek epi, which means on top of, and thele, which means nipple, to describe the type of tissue he found when dissecting the lip of a cadaver. In the mid nineteenth century Albrecht von Haller adopted the word epithelium, designating Ruysch's original term as the plural version.


Exoskeleton originated form (Eg: feathers, nail, horn, hoofs) :-


Exoskeleton is originated from epithelial cell and after origin it's keratinized.


Stereocilia present in :-


'Stereocilia' are non-motile, distinct from cilia and microvilli. In structure, they are longer than typical microvilli and have more of the characteristics of the cellular membrane proper.

The epididymis is a tube that connects a testicle to a vas deferens in the male reproductive system. The stereocilia of the epididymis helps in absorption. They are long cytoplasmic projections that have no motility. Thus, the correct answer is option A.


Germinative layer of Keratinized st. sq. Epithelium :-


The basal layer of stratified squamous epithelium is the cuboid layer which forms the other layer . so called as germinativum layer.


Mucous cells (Goblet cells) :-


Unicellular Glands: Goblet Cells. Remember that unicellular cells are single celled secretory cells. The only major example in humans would be goblet and mucous cells that are found in the conducting airways and GI tract, respectively. Mucus is a wet sticky substance that is important for filtration purposes.

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