Tissues-F-MCQ

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Q1. Matrix of cartilage is composed of:
The matrix of cartilage is composed of proteins and sugars (proteoglycans and collagen fibres). This gives cartilage its firm but flexible consistency. Unlike bone, cartilage does not contain calcium salts, which is why it is more flexible and can bend.
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Q2. Ligaments connect:
Ligaments connect bones to bones at joints. They are strong, elastic connective tissues that provide stability and allow for movement at the joints. Ligaments contain elastin fibres, which give them elasticity and allow them to stretch.
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Q3. Areolar tissue surrounds:
Areolar tissue surrounds blood vessels and nerves, as well as being found between skin and muscles and around organs. It is a loose connective tissue that provides support, flexibility, and cushioning. It also allows for the diffusion of nutrients and wastes.
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Q4. Areolar tissue is found:
Areolar tissue is found between skin and muscles, as well as around blood vessels, nerves, and organs. It is a loose connective tissue that fills spaces, provides support, and allows for the movement of structures. It also helps in the repair of tissues.
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Q5. Fluid matrix of blood is called:
The fluid matrix of blood is called plasma. Plasma is a pale yellow liquid that makes up about 55% of blood volume. It contains water, proteins, salts, hormones, and other dissolved substances. Red blood cells, white blood cells, and platelets are suspended in plasma.
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Q6. Cartilage cells are:
Cartilage cells (chondrocytes) are widely spaced and embedded in a firm but flexible matrix. The cells are located in small spaces called lacunae, and the matrix contains collagen and elastin fibres. This structure gives cartilage its strength and flexibility.
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Q7. Which plant tissue is responsible for the transport of water and minerals from roots to leaves?
Xylem is the plant tissue responsible for the transport of water and minerals from roots to leaves. It is a complex permanent tissue composed of tracheids, vessels, xylem fibres, and xylem parenchyma. Xylem conducts water and dissolved minerals upward through the plant in a process called the ascent of sap. Phloem, in contrast, transports food (sugars) from leaves to other parts of the plant.
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Q8. Tendons are:
Tendons are fibrous with great strength and limited flexibility. They connect muscles to bones and are made of dense, parallel bundles of collagen fibres. This structure gives them tremendous tensile strength, allowing them to transmit the force of muscle contraction to bones.
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Q9. Gland cells are specialised to:
Gland cells are specialised to secrete substances. They are modified epithelial cells that produce and release substances like hormones, enzymes, mucus, and sweat. Glandular tissue forms glands that perform this secretory function.
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Q10. Adipose tissue is also found:
Adipose tissue is also found between internal organs, where it provides cushioning and insulation. It helps protect organs from mechanical injury and stores energy. This visceral fat is important for maintaining body temperature and metabolism.
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Q11. Bone cells are embedded in a matrix composed of:
Bone cells are embedded in a matrix composed of calcium and phosphorus compounds (calcium phosphate and calcium carbonate). These minerals make the bone hard and rigid, providing strength and support. The matrix also contains collagen fibres for flexibility.
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Q12. Blood is classified as a:
Blood is classified as a connective tissue. It connects different parts of the body by transporting oxygen, nutrients, hormones, and waste products. Blood has a fluid matrix (plasma) with cells (red blood cells, white blood cells, and platelets) suspended in it.
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Q13. Cuboidal epithelium is also found in the ducts of:
Cuboidal epithelium is also found in the ducts of glands, including salivary glands, thyroid glands, and sweat glands. Its cube-shaped cells are involved in secretion and absorption. Cuboidal epithelium lines the ducts and tubules of many glands.
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Q14. Tendons connect:
Tendons connect muscles to bones. They are strong, fibrous connective tissues that transmit the force generated by muscle contraction to the bones, enabling movement. Tendons are made of dense collagen fibres and have limited flexibility.
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Q15. Bone forms the:
Bone forms the framework of the body (the skeleton). The skeleton provides structural support, protects internal organs, and serves as attachment points for muscles. Bones also store minerals and produce blood cells in the bone marrow.
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Q16. Blood is called connective tissue because it:
Blood is called connective tissue because it transports substances between body parts. It carries oxygen, nutrients, hormones, and waste products between cells and organs, linking all parts of the body. This transport function is the basis for its classification as connective tissue.
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Q17. Cuboidal epithelium lines the:
Cuboidal epithelium lines the kidney tubules. It is also found in glands and their ducts. The cube-shaped cells are involved in absorption, secretion, and excretion. In the kidneys, they help in the reabsorption of water and nutrients from the filtrate.
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Q18. Epithelial cells may become specialised as:
Epithelial cells may become specialised as gland cells. When epithelial tissue folds inward, it forms glandular epithelium. These gland cells are modified to produce and secrete substances like hormones, enzymes, and mucus. Muscle cells, bone cells, and nerve cells are not derived from epithelial cells.
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Q19. Bone is non-flexible because it needs to:
Bone is non-flexible because it needs to support body weight. The bone matrix contains calcium and phosphorus compounds, which make it hard and rigid. This rigidity is essential for providing structural support, protecting vital organs, and serving as attachment points for muscles.
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Q20. Adipose tissue is found:
Adipose tissue is found below the skin (subcutaneous fat). It is also found around internal organs (visceral fat) and in bone marrow. Adipose tissue stores fat, provides insulation, and cushions organs. It is the main site of fat storage in the body.
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Q21. Tendons are less flexible because they are:
Tendons are less flexible because they are fibrous and strong. They connect muscles to bones and are made of dense, parallel bundles of collagen fibres. This structure gives them great tensile strength and limited flexibility, allowing them to transmit the force of muscle contraction to bones.
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Q22. Fig. 12.10(d) represents:
Fig. 12.10(d) typically represents bone tissue. Bone tissue shows concentric rings of matrix (lamellae) around Haversian canals, with osteocytes embedded in lacunae. Bone is a hard, rigid connective tissue that forms the skeleton.
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Q23. Cuboidal epithelium consists of cells that are:
Cuboidal epithelium consists of cells that are cube-shaped. They are roughly equal in height and width, giving them a cube-like appearance. These cells are specialised for secretion and absorption and are found in kidney tubules and gland ducts.
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Q24. Cartilage smoothens:
Cartilage smoothens bone surfaces at joints. Articular cartilage covers the ends of bones in joints, providing a smooth, slippery surface that reduces friction and absorbs shock during movement. This allows for smooth, pain-free joint movement.
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Q25. Bone helps in:
Bone helps in anchoring muscles. Muscles are attached to bones by tendons. When muscles contract, they pull on bones, causing movement at joints. Bones also provide structural support, protect internal organs, and store minerals.
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Q26. Areolar tissue supports:
Areolar tissue supports internal organs. It is a loose connective tissue that fills spaces between organs and provides cushioning and support. It also allows for the movement of structures and helps in the repair of tissues.
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Q27. Ligaments are:
Ligaments are very elastic. They connect bones to bones and contain elastin fibres, which provide elasticity. This allows ligaments to stretch and return to their original shape, enabling movement at joints while maintaining stability. Tendons, in contrast, have limited flexibility.
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Q28. Glandular epithelium is formed when epithelial tissue:
Glandular epithelium is formed when epithelial tissue folds inward. This folding creates glands that are specialised for secretion. The glandular cells become modified to produce and secrete substances like hormones, enzymes, and mucus.
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Q29. Cartilage is found in:
Cartilage is found in the nose and ear. It is also found in the trachea, larynx, and at joints. Cartilage provides support and flexibility to these structures. It is softer and more flexible than bone, allowing for shape retention with some elasticity.
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Q30. Areolar tissue helps in:
Areolar tissue helps in the repair of tissues. It contains fibroblasts that produce collagen fibres, which are essential for wound healing. Areolar tissue also supports and binds other tissues, providing a flexible framework and allowing for the movement of structures.
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Q31. Connective tissue cells are:
Connective tissue cells are loosely spaced and embedded in an extracellular matrix. The matrix may be jelly-like, fluid, dense, or rigid, depending on the type of connective tissue. This loose arrangement allows for the diffusion of substances and provides flexibility.
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Q32. Fig. 12.10(e) represents:
Fig. 12.10(e) typically represents adipose tissue. Adipose tissue shows cells with large fat globules, which push the nucleus to the periphery. It is a loose connective tissue specialised for fat storage, providing insulation and cushioning.
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Q33. Bone tissue is:
Bone tissue is strong and non-flexible. The matrix of bone contains calcium and phosphorus compounds, which make it hard and rigid. This strength allows bones to support body weight and withstand forces, while the rigidity provides protection to internal organs.
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Q34. Nature of matrix depends on the:
The nature of the matrix depends on the function of the tissue. For example, blood has a fluid matrix (plasma) to transport substances, bone has a rigid matrix (calcium salts) for support, and cartilage has a firm but flexible matrix for cushioning.
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Q35. Blood transports:
Blood transports gases (oxygen and carbon dioxide), digested food (nutrients), hormones, and wastes. It connects different parts of the body by carrying these substances between cells and organs. This transport function is essential for maintaining homeostasis.
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Q36. Connective tissue cells are embedded in:
Connective tissue cells are embedded in an intercellular matrix. The matrix is secreted by the cells and may be solid (bone), fluid (blood), or jelly-like (cartilage). The matrix provides support, connects tissues, and allows for the diffusion of substances.
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Q37. Cartilage of the ear can be folded because cartilage is:
Cartilage of the ear can be folded because cartilage is flexible. The matrix of cartilage is firm but elastic, allowing it to bend without breaking. This flexibility is essential for structures like the ear and nose, which need to maintain their shape while allowing some movement.
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Q38. Adipose tissue acts as an:
Adipose tissue acts as an insulator. It stores fat, which is a poor conductor of heat. This helps maintain body temperature by reducing heat loss. Adipose tissue also provides cushioning and serves as an energy reserve.
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Q39. Which components are suspended in plasma?
Red blood cells (RBCs), white blood cells (WBCs), and platelets are all suspended in blood plasma. Plasma is the fluid matrix of blood, and these formed elements are suspended within it. Together, they perform various functions like oxygen transport, immunity, and blood clotting.
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Q40. Ligaments contain:
Ligaments contain very little matrix. They are made of dense connective tissue with closely packed collagen and elastin fibres. The limited matrix and the presence of elastin fibres give ligaments their strength and elasticity, allowing them to connect bones to bones.
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Q41. Fig. 12.10(c) represents:
Fig. 12.10(c) typically represents blood. Blood is a fluid connective tissue with a liquid matrix (plasma) and cellular components (RBCs, WBCs, platelets) suspended in it. Blood transports oxygen, nutrients, hormones, and waste products throughout the body.
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Q42. The matrix of connective tissue may be:
The matrix of connective tissue may be jelly-like (cartilage), fluid (blood), dense (ligaments and tendons), or rigid (bone). The nature of the matrix determines the function of the tissue and allows connective tissues to perform a wide variety of roles.
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Q43. Fig. 12.10(a) represents:
Fig. 12.10(a) typically represents bone cells (osteocytes). Bone cells are embedded in a hard matrix containing calcium and phosphorus compounds. They are located in small spaces called lacunae and are connected by tiny channels called canaliculi.
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Q44. Plasma contains:
Plasma contains proteins, salts, and hormones. It is the fluid matrix of blood and is composed of about 90% water and 10% dissolved substances, including plasma proteins (albumin, globulin, fibrinogen), salts, nutrients, hormones, and waste products.
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Q45. Adipose tissue cells are filled with:
Adipose tissue cells (adipocytes) are filled with fat globules. These cells are specialised for storing fat (lipids) as energy reserves. The fat globules occupy most of the cell volume, pushing the nucleus to the periphery.
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Q46. Main function of cuboidal epithelium is to provide:
The main function of cuboidal epithelium is to provide absorption. It is found in kidney tubules and glands, where it is involved in the absorption and secretion of substances. The cube-shaped cells have a large surface area, making them efficient for these functions.
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Q47. Cartilage differs from bone because cartilage is:
Cartilage differs from bone because it is flexible. Cartilage has a firm but elastic matrix, while bone has a hard, rigid matrix containing calcium and phosphorus compounds. This flexibility allows cartilage to bend and absorb shock, unlike bone.
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Q48. Ligaments are more elastic than tendons because they:
Ligaments are more elastic than tendons because they contain elastin fibres, which provide elasticity. Ligaments connect bones to bones and need to allow some movement at joints while providing stability. The elasticity of ligaments allows them to stretch and return to their original shape.
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Q49. A multicellular gland is formed from:
A multicellular gland is formed from glandular epithelium. When epithelial tissue folds inward, it forms glands. Glandular epithelial cells are specialised for secretion and produce substances like hormones, enzymes, and mucus. These glands may be simple or complex in structure.
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Q50. Adipose tissue stores:
Adipose tissue stores fats (lipids). It is a loose connective tissue specialised for fat storage. Adipose tissue serves as an energy reserve, provides insulation, and cushions organs. The stored fat can be broken down to release energy when the body needs it.