Description : From the internal surface to the external surface, the digestive tube wall is made of mucosa (epithelial tissue responsible for the intestinal absorption), submucosa (connective tissue beneath the ... within the abdominal cavity. Digestion System - Image Diversity: histology of the digestive tube
Last Answer : What is the location of the salivary glands in humans?
Description : The cells lining the blood vessels belong to the category of (a) smooth muscle tissue (b) squamous epithelium (c) columnar epithelium (d) connective tissue.
Last Answer : (b) squamous epithelium
Description : What type of tissue is bone tissue? a) muscle b) nervous c) epithelial (pron: ep-a-THEE-lee-al) d) connective
Last Answer : ANSWER: D -- CONNECTIVE
Description : Squamous cell tissue is an example of which type of tissue? a) muscle b) nervous c) epithelial (pron: ep-a-THEE-lee-al) d) connective
Last Answer : ANSWER: C -- EPITHELIAL
Description : Which of the following is an example of striated tissue? a) muscle b) nervous c) epithelial (pron: ep-a-THEE-lee-al) d) connective
Last Answer : ANSWER: A -- MUSCLE
Description : Which tissue helps in increasing the length of stem and root? OR Q: Which tissues are responsible for the axial growth of plants?
Last Answer : Apical Meristem.
Description : Why do plants have more dead tissues as compared to animals?OR Q: Why do plant tissue require less amount of energy in comparison to animal tissues?
Last Answer : Most of the plant tissues are dead, since dead cells can provide mechanical strength as easily as live ones, and need less maintenance. Also plants have sedentary life i.e. they are stationary. Therefore plant tissues require less amount of energy.
Description : An epithelial tissue which has thin flat cells, arranged edge to edge so as to appear like closely packed tiles, is found to be present at (a) outer surface of ovary (b) inner lining of Fallopian tube (c) inner lining of stomach (d) inner lining of cheeks.
Last Answer : (d) inner lining of cheeks.
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 : Histamine secreting cells are found in (a) connective tissues (b) lungs (c) muscular tissue (d) nervous tissue
Last Answer : (a) connective tissues
Description : Why are Xylem and Phloem known as complex permanent tissues?
Last Answer : Because both of them are made of more than one type of cells (heterogeneous).
Description : : Why are Xylem and Phloem called as vascular tissues?
Last Answer : Because they together constitute vascular bundle in plants.
Description : Why are Xylem and Phloem known as conducting tissues?
Last Answer : Because both of them help in conduction of water, mineral and food.
Description : Why are Xylem and Phloem are called vascular or conducting tissues?
Last Answer : Since both xylem and phloem tissues transport materials, they are together called vascular tissues.
Description : Name two types of complex tissues.
Last Answer : Xylem and Phloem
Description : How are complex tissues different from simple tissues?
Last Answer : Complex tissues are made of more than one type of cells.
Description : Are Collenchyma tissues present in roots of the plants?
Last Answer : No, Collenchyma is absent in root system. It is present in stem, petioles, veins of leaf.
Description : Why the cell walls of collenchyma tissues are unevenly thickened?
Last Answer : : The cell walls are unevenly thickened due to deposition of excessive cellulose, and pectin.
Description : (CBSE2011): Deepa was shown two slides of plant tissues: parenchyma and sclerenchyma. She can identify sclerenchyma by the (a) location of nucleus (b) size of cells (c) thickness of cell walls (d) position of vacuoles
Last Answer : (c) thickness of cell walls
Description : Which plant tissues are often called as stone cells?
Last Answer : Sclerenchyma
Description : Where do you find collenchyma tissues in plants?
Last Answer : Below the epidermis of stem and around veins of leaves.
Description : What do you mean by 'Differentiation' in plant tissues?
Last Answer : The cells formed by meristematic tissue take up a specific role and lose the ability to divide. As a result, they form a permanent tissue. This process of taking up a permanent shape, size, and a function is called differentiation.
Description : Which tissues are responsible for the secondary growth of plants?
Last Answer : Vascular Cambium and Cork Cambium (also called secondary meristems) are responsible for the secondary growth. They increase the thickness (size of the girth) of the plant body.
Description : : List the characteristics of meristematic tissues.
Last Answer : 1. They are actively dividing cells and they divide throughout the life. 2. Cells are compactly arranged, NO intercellular spaces. 3. Lack vacuoles 4. Cells have dense cytoplasm, thin cell walls 5. Prominent Nuclei
Description : Name types of simple tissues.
Last Answer : Simple tissues (made up of one type of cells) are of three types: 1. Parenchyma 2. Collenchyma 3. Sclerenchyma
Description : Identify which of the following plant tissues are living or dead?
Last Answer : Living: Apical Meristem, Parenchyma, Aerenchyma, Collenchyma, Xylem Parenchyma, Phloem Parentchyma, Sieve Tubes Dead: Sclereids, Tracheids, Xylem Fibres, Phloem fibre, Phloem fibre, Vessel
Description : Why do animals tissues require more energy as compared to plant tissues?
Last Answer : Animals move from one place to another in search of food, shelter etc., hence they need more energy and there more tissues are living.
Description : Explain the statement 'Tissues exhibit division of labour'. Give examples. OR Q: What is the utility of tissues in multicellular organisms?
Last Answer : In multicellular organisms there are millions of cells. Each specialised function is taken up by a different group of cells called tissue. Or Group of cells, forming a tissue are capable of ... water from one part of the plant to other parts. So, multicellular organisms show division of labour
Description : What are the identifying features of meristematic tissues? (a) thick cellulose wall, small vacuoles, dense cytoplasm, small nuclei (b) thin cellulose wall, almost no vacuoles, dense cytoplasm, ... sparse cytoplasm, prominent nuclei (d) thick cellulose, large vacuoles, sparse cytoplasm, small nuclei
Last Answer : (b) thin cellulose wall, almost no vacuoles, dense cytoplasm, prominent nuclei
Description : Which of the following statements is incorrect? (a) Some tissues in plants divide throughout the life (b) Cell growth in animals is more uniform as compared to plants (c) Animals have more ... as compared to plants (d) There is no demarcation of dividing and nondividing regions in animals
Last Answer : (c) Animals have more dead tissues as compared to plants
Description : The basic principle based on which categorise plant tissues as meristematic and permanent is: (a) capacity to do photosynthesis (b) capacity to divide (c) capacity to locomote (d) complexity to perform a function.
Last Answer : (b) capacity to divide
Description : Many kinds of tissues organise to form a/an (a) organ (b) organ system (c) body system (d) organelle
Last Answer : (a) organ
Description : Which of the following statement is NOT true? (a) Most of the plant tissues are supportive type. (b) Tissues ensure division of labour. (c) Sedantry existence contribute to the organ system design in animals. (d) Organ systems are far more complex in animals than in plants.
Last Answer : (c) Sedantry existence contribute to the organ system design in animals.
Description : The study of tissues is called ... a) cytology b) embryology c) histology d) pathology
Last Answer : c) histology
Description : (CBSE 2011): Aditi observed following observations while looking into a permanent slide. (i) Cells are long and cylindrical (ii) Light and dark bands are present. It could be a slide of : (a) striated muscle fibre (b) smooth muscle fibre (c) neuron (d) parenchyma cells
Last Answer : (a) striated muscle fibre
Description : Which tissue makes up the husk of coconut?
Last Answer : Sclerenchymatous tissue
Description : Blood is a: (1) connective tissue (2) epithelial tissue (3) muscular tissue (4) reproductive tissue
Last Answer : (1) connective tissue Explanation: Blood is considered a connective tissue for two basic reasons: (i) embryologically, it has the same origin (mesodermal) as do the other connective tissue ... bringing the needed oxygen, nutrients, hormones and other signaling molecules, and removing the wastes.
Last Answer : connective tissue
Description : Inner lining of Blood vessels and heart is tesselleted Epithelium . Which is : -
Last Answer : Inner lining of Blood vessels and heart is tesselleted Epithelium . Which is : - A. ... cuboidal due wavy appearnce D. Simple columner Epithelium
Description : List functions of phloem tissue?
Last Answer : 1. Phloem transport food in both directions. 2. Sieve tubes and companion cells are involved in translocation of organic substances. 3. Phloem parenchyma and phloem fibres play supporting role in the transportation process.
Description : Name the cellular elements of Phloem tissue.
Last Answer : Four types: 1. Sieve tubes 2. Companion cells 3. Phloem parenchyma and 4. Phloem fibres
Description : What is the role of xylem tissue?
Last Answer : Xylem tissues are specialized for the conduction of water and mineral substances in the plant body. 1. Tracheids and vessels forms tubular structures to transport water and minerals vertically ( ... and helps in the sideways conduction of water. 3. Fibres are mainly supportive in function.
Description : List the cellular elements of xylem tissue?
Last Answer : Xylem tracheids 2. Xylem tracheae or vessels 3. Xylem fibers and 4. Xylem parenchyma
Description : Is xylem (or phloem) homogenous tissue or heterogeneous tissue?
Last Answer : Xylem and phloem both are heterogeneous tissue and are made up of different type of cellular elements.
Description : Why vascular tissue is considered a distinctive feature responsible for survival of plants in terrestrial plants?
Last Answer : Fossils of plants show that vascular tissue appear 400 million years ago. It is believed that aquatic plants moved to terrestrial environment and adaptations like vascular tissue, protected seeds, true roots ... root, stem and leaves. It also enable plant to grow upright i.e. become taller.
Description : Which plant tissue is considered to have played an important role in survival of terrestrial plants?
Last Answer : Vascular tissue i.e. xylem and phloem.
Description : Which tissue is known as living mechanical tissue?
Last Answer : Collenchyma.
Description : Which tissue primarily attributes to easy bending of various parts of plants (like stem, leaves)?
Last Answer : Collenchyma
Description : What are the identifying features of collenchyma tissue?
Last Answer : 1. Long and narrow cells 2. cell walls are irregularly thickened at corners due to deposition of cellulose or pectin. 3. oval, circular or polygonal in shape 4. Very little intercellular spaces are present
Description : What is the structure and nature of Parenchyma tissue?
Last Answer : Living cells, thin walled,cell wall composed of cellulose and Pectin, large intercellular spaces