Which of the following statements is correct?
(a) Cornea consists of dense matrix of collagen and
is the most sensitive portion of the eye.
(b) Cornea is an external, transparent and protective
proteinacious covering of the eye-ball.
(c) Cornea consists of dense connective tissue of
elastin and can repair itself.
(d) Cornea is convex, transparent layer which is
highly vascularised.

1 Answer

Answer :

(a) Cornea consists of dense matrix of collagen and
is the most sensitive portion of the eye.

Related questions

Description : This major protein component of connective tissue in mammals comprises most of the organic matter of skin, tendons, bones, and teeth, and occurs as fibrous inclusions in most other body structures. Is this material: a) elastin b) collagen c) fatty acids d) keratin

Last Answer : ANSWER: B -- collagen 

Description : A keloid is composed predominantly of: B A. Granulation tissue B. Dense collagen C. Loose connective tissue D. None of these

Last Answer : Dense collagen

Description : Sensitive layer of the eye is? A. Choriods B. Sclerotic C. Retina (Answer) D. Cornea E. None of these

Last Answer : C. Retina (Answer)

Description : Sensitive pigmented layer of eye is (a) cornea (b) retina (c) sclerotic (d) iris.

Last Answer : (b) retina

Description : Assertion : Fibrous cartilage posses thich dense bundle of collagen fibre in matrix. Reason : Fibrous cartilage is the hardest cartilage.

Last Answer : Assertion : Fibrous cartilage posses thich dense bundle of collagen fibre in matrix. Reason : Fibrous ... D. If both Assertion & Reason are false.

Description : The following are true about the cornea: a. the stroma contains collagen fibrils of regular thickness b. the Bowman's layer contains randomly arranged collagen fibrils c. the Bowman's layer is the ... layer of the epithelium d. type I collagen is the main type of collagen found in the cornea

Last Answer : type I collagen is the main type of collagen found in the cornea

Description : Which is the membrane covering the cornea of the eye?

Last Answer : Conjunctiva

Description : Collagen and elastin are formed by

Last Answer : Collagen and elastin are formed by A. Mocrophages B. Fibroblasts C. Mast cells D. Chondrocytes

Description : Marfan’s syndrome results from a mutation in the gene coding: (A) Collagen (B) Elastin (C) Fibrillin (D) Keratin

Last Answer : Answer : B

Description : Proteins that constitute keratin, collagen and elastin in body are (A) Protamines (B) Phosphol proteins (C) Scleroproteins (D) Metaproteins

Last Answer : Answer : C

Description : Collagen and elastin have the following similarity: (A) Both are triple helices (B) Both have hydroxyproline residues (C) Both have hydrolysine residues (D) Both are glycoproteins

Last Answer : Answer : A

Description : The most abundant protein in mammals is (A) Albumin (B) Haemoglobin (C) Collagen (D) Elastin

Last Answer : Answer : C

Description : What is the function of the collagen fibers of the connective tissue?

Last Answer : There are different collagen types. The main function of these proteins is to keep the shape and the structural rigidity of the tissue. (Collagen is the most abundant protein of the human body.)

Description : Given below is the diagrammatic sketch of a certain type of connective tissue. Identify the parts labelled A, B, C and D and select the right option about them. A B C D A B C ... fibres (c) Macrophage Collagen Fibroblast Mast cell fibres (d) Mast cell Collagen Fibroblast Macro- fibres phage

Last Answer : (a) Macrophage Fibroblast Collagen Mast fibres cel

Description : Which of the following connective tissue disorders is characterized by insoluble collagen being formed and accumulating excessively in the tissues? a) Scleroderma Scleroderma occurs initially in the ... In polymyalgia rheumatic, immunoglobulin is deposited in the walls of inflamed temporal arteries.

Last Answer : a) Scleroderma Scleroderma occurs initially in the skin but also occurs in blood vessels, major organs, and body systems, potentially resulting in death.

Description : The organic portion of bone consists of which one of the following proteins. a) fibrin b) collagen c) actin d) myosin

Last Answer : ANSWER: B -- COLLAGEN

Description : Read the following (A -D) stetements :- (A) Areolar tissue present beneath the skin (B) Adipose tissue is a type of dense connective tissue (C) Tendon

Last Answer : Read the following (A -D) stetements :- (A) Areolar tissue present beneath the skin (B) Adipose tissue is a ... :- A. Four B. Three C. Two D. One

Description : Which connective tissue are paresent beneath the skin :- A. Areolar tissue B. Adipose tissue C. Dense irregular connective tissue

Last Answer : Which connective tissue are paresent beneath the skin :- A. Areolar tissue B. Adipose tissue C. Dense irregular ... A and B D. All A, B and C

Description : What are cordlike structures composed of dense fibrous connective tissue that attach muscles to bones?

Last Answer : Need answer

Description : Fluid present in dense connective tissue and cartilage in ml/kg body weight is about (A) 10 (B) 20 (C) 45 (D) 55

Last Answer : Answer : C

Description : Choose the correctly matched pair. (a) Tendon - Specialized connective tissue (b) Adipose tissue - Dense connective tissue (c) Areolar tissue - Loose connective tissue (d) Cartilage - Loose connective tissue

Last Answer : (c) Areolar tissue - Loose connective tissue

Description : With regard to the choroid: a. the choroid receives 85% of blood flow to the eye b. the blood vessels in the choroid contains tight junction c. the choroid vessels are embedded in ... d. in the presence of high partial pressure of carbon dioxide the choroidal vessels increase in diameter

Last Answer : in the presence of high partial pressure of carbon dioxide the choroidal vessels increase in diameter

Description : In contrast to adult wound healing with scar formation, which of the following are characteristic of scarless fetal skin repair? A. Matrix rich in hyaluronic acid. B. Increased inflammatory response. C. Increased production of TGF-b. D. No collagen deposition. E. Minimal angiogenesis.

Last Answer : Answer: AE DISCUSSION: The ability of a fetus to heal without scar formation depends on its gestational age at the time of injury and the size of the wound defect. In ... repair has possible clinical applications in the modulation of adult fibrotic diseases and abnormal scar-forming conditions

Description : Consider the following statements: 1. For a saturated soil, Skempton's B-parameter is nearly equal to unity. 2. For an undisturbed sensitive clay, the stress-strain curve shows a peak. 3. Interlocking contributes significantly to the shearing ... 2 & 3 (b) 1 & 2 only (c) 2 & 3 only (d) 1 & 3 only

Last Answer : (a) 1, 2 & 3

Description : Pick up the correct specification of Ramsden eyepiece from the following:  (A) It consists of two equal piano convex lenses  (B) The curved surfaces of Plano-convex lenses face each other  (C) ... from a point on the diaphragm enter the eye as a  parallel beam  (D) All the above 

Last Answer : (D) All the above 

Description : Matrix of connective tissue proper is secreted by :-

Last Answer : Matrix of connective tissue proper is secreted by :- A. Mast cell B. Fibroblast cell C. Fibrocyte cell D. All the above

Description : What visual technique should be used when searching for an aircraft? a. Sweep from side to side with the eyes covering the whole field of vision b. Search the sky portion by portion starting ... the sky and confirm before passing onto another d. Use a succession of small and rapid eye movements

Last Answer : c. Pinpoint 10° segments of the sky and confirm before passing onto another

Description : What visual technique should be used when searching for an aircraft? a. Sweep from side to side with the eyes covering the whole field of vision b. Search the sky portion by portion starting ... the sky and confirm before passing onto another d. Use a succession of small and rapid eye movements

Last Answer : c. Pinpoint 10° segments of the sky and confirm before passing onto another

Description : What visual technique should be used when searching for an aircraft? a. Sweep from side to side with the eyes covering the whole field of vision b. Search the sky portion by portion starting ... the sky and confirm before passing onto another d. Use a succession of small and rapid eye movements

Last Answer : c. Pinpoint 10° segments of the sky and confirm before passing onto another

Description : The protective ozone layer of stratosphere itself requires protection from indiscriminate use of :

Last Answer : The protective ozone layer of stratosphere itself requires protection from indiscriminate use of : A. ... wastes D. Baloons and turbo-prop aeroplanes.

Description : our heat consists of :- (i) Epithelial tissue (ii) Connective tissue (iii) Muscular tissue (iv) Neural tissue

Last Answer : our heat consists of :- (i) Epithelial tissue (ii) Connective tissue (iii) Muscular tissue (iv) Neural tissue A. ... C. 2,3, & 4 only D. All of these

Description : Which of the following statements regarding transforming growth factor b (TGF-b) are true? a. TGF-b expression is autoregulated b. TGF-b enhances collagen synthesis c. TGF-b inhibits extracellular matrix production d. TGF-b may inhibit or promote cellular proliferation

Last Answer : Answer: a, b, d TGF-b appears to be one of the key cytokines in control of tissue repair. TGF-b is strongly chemotactic for neutrophils, T cells, monocytes, and fibroblasts. ... TGF-b stimulates the proliferation of densely plated human marrow fibroblasts, but is inhibitory at high concentrations

Description : Dense scar of cornea with incarceration of iris is known as: a. Adherent Leucoma b. Dense leucoma c. Ciliary staphyloma d. Iris bombe

Last Answer : ANSWER: A 

Description : Ramsden eye-piece consists of (A) Two convex lenses short distance apart (B) Two concave lenses short distance apart (C) One convex lens and one concave lens short distance apart (D) Two Plano-convex lenses short distance apart, with the convex surfaces facing each other

Last Answer : (D) Two Plano-convex lenses short distance apart, with the convex surfaces facing each other

Description : A ligament is (a) A fibrous tissue that joins the muscle to bone (b) A type of amorphous gel that cements non movable joints together (c) A type of fibrous connective tissue that joins bones together at joints (d) Only formed to repair damaged muscle tissue

Last Answer : Ans:(c)

Description : Non-cellular layer that connects epithelium to connective tissue is

Last Answer : Non-cellular layer that connects epithelium to connective tissue is A. Basement membrane B. Epidermis C. Dermis D. Cell junction

Description : Each organised skeletal muscle in our body is made of a number of ____ held together by a common collagenous connective tissue layer called_____

Last Answer : Each organised skeletal muscle in our body is made of a number of ____ held together by a common collagenous connective tissue layer called_____

Description : What is the outermost layer of connective tissue that surrounds muscle?

Last Answer : What is the outermost layer of connective tissue that surroundsmuscle

Description : The connective tissue layer that surrounds each individual fibre in the nerve is (a) epineurium (b) perineurium (c) perineural septum (d) endoneurium

Last Answer : Ans:(d)

Description : Which ones produce androgenic haploids in anther cultures? (a) Anther wall (b) Tapetal layer of anther wall (c) Connective tissue (d) Young pollen grains

Last Answer : (d) Young pollen grains

Description : Which of the following statements is the characteristics of human cornea? (a) It is secreted by conjuctiva and glandular layer. (b) It is a lacrimal gland which secrete tears. (c) Blood circulation is absent in cornea. (d) In old age it becomes the cause of cataract.

Last Answer : (c) Blood circulation is absent in cornea.

Description : The outermost layer of plant cells or tissue providing a covering for the plant body?

Last Answer : the answer is epidermis

Description : The vertebrate eyeball is bounded anteriorly by what convex, transparent object?

Last Answer : ANSWER: CORNEA

Description : Sapwood consists of (A) Innermost annular rings around the pith (B) Portion of timber between heartwood and cambium layer (C) Thin layers below the bark (D) Thin fibre which extends from the pith outwards and holds the annular rings together

Last Answer : Answer: Option B

Description : A quorum sensing system A- .detects a signal from the external environment B- B.senses a compound produced by the bacterium itself C- consists of a sensor component that phosphorylates a regulatory protein D- .controls the activity of ribosomes directly

Last Answer : B.senses a compound produced by the bacterium itself

Description : A quorum sensing system A- .detects a signal from the external environment B- B.senses a compound produced by the bacterium itself C- consists of a sensor component that phosphorylates a regulatory protein D- .controls the activity of ribosomes directly

Last Answer : B.senses a compound produced by the bacterium itself

Description : State the functions of dense connective tissues.

Last Answer : They form the skeletal system of the body providing an internal supporting frame work. They enclose the internal organs. Ex: Skull protects brain, eyes, ears, nose.

Description : What are dense connective tissues?

Last Answer : The connective tissues consisting of hard matrix are called dense connective tissues.

Description : What induces a plant embryo a food supply and a protective covering?

Last Answer : Need answer