Description : Which meristem is present at the base of the leaves or internodes on twigs? (a) Apical meristem (b) Cambium (c) Intercalary meristem (d) Epidermis
Last Answer : (c) Intercalary meristem
Description : The girth of the stem or root increases due to ___ (a) Apical meristem (b) Cambium (c) Intercalary meristem (d) Epidermis
Last Answer : (b) Cambium
Description : The husk of the coconut is made up of? (a) collenchyma (b) sclerenchyma (c) apical meristem (d) intercalary meristem
Last Answer : (b) sclerenchyma
Description : Meristematic tissue responsible for increase in girth of tree trunk is (a) intercalary meristem (b) lateral meristem (c) phellogen (d) apical meristem.
Last Answer : (b) lateral meristem
Description : Where do we find intercalary meristem?
Last Answer : Intercalary meristem are present at the base of leaves or internodes.
Description : Which meristem replaces epidermis as the protective covering?
Last Answer : Secondary meristem called periderm or cork cambium.
Description : Where is apical meristem found?
Last Answer : Apical meristem is found at the growing tips of stems and roots.
Description : Mowing grass lawn facilitates better maintenance because (a) wounding stimulates regeneration (b) removal of apical dominance and stimulation of intercalary meristem (c) removal of apical dominance (d) removal of apical dominance and promotion of lateral meristem.
Last Answer : (b) removal of apical dominance and stimulation of intercalary meristem
Description : Monocot leaves possess (a) intercalary meristem (b) lateral meristem (c) apical meristem (d) mass meristem
Last Answer : (a) intercalary meristem
Description : Which meristem helps in increasing girth? (a) Lateral meristem (b) Intercalary meristem (c) Primary meristem (d) Apical meristem
Last Answer : (a) Lateral meristem
Description : Axillary bud and terminal bud derived from the activity of (a) lateral meristem (b) intercalary meristem (c) apical meristem (d) parenchyma.
Last Answer : (c) apical meristem
Description : Regeneration of damaged growing grass following grazing is largely due to (a) lateral meristem (b) apical meristem (c) intercalary meristem (d) secondary meristem.
Last Answer : (c) intercalary meristem
Description : Regeneration of damaged growing grass following grazing is largely due to (a) lateral meristem (b) apical meristem (c) intercalary meristem (d) secondary meristem
Description : To obtain virus - free healthy plants from a diseased one by tissue culture technique, which part/parts of the diseased plant will be taken? (a) Apical meristem only (b) Palisade parenchyma (c) Both apical and axillary meristems (d) Epidermis only
Last Answer : (c) Both apical and axillary meristems
Description : The length of different internodes in a culm of sugarcane is variable because of (a) size of leaf lamina at the node below each internode (b) intercalary meristem (c) shoot apical meristem (d) position of axillary buds.
Last Answer : (b) intercalary meristem
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 : Which one of the following is not a lateral meristem? (a) Intrafascicular cambium (b) Interfascicular cambium (c) Phellogen (d) Intercalary meristem
Last Answer : (d) Intercalary meristem
Description : List the functions of epidermis.
Last Answer : 1. protection against loss of water 2. protection against mechanical injury. 3. protection against infection (e.g. fungus infection). 4. In roots epidermis have hair like projects which increase the surface area for absorption of water and minerals.
Description : How does epidermis help xerophytes?
Last Answer : Xerophytes are the plants which grow in desert conditions. In plants living in very dry habitats, epidermis may be thicker since protection against water loss is critical. The entire surface ... the parts of the plant.It also releases a waxlike substance called cutin which restricts transpiration
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 : Name the tissue responsible for the movement in our body.
Last Answer : Muscular tissue.
Description : Which of the following meristems is responsible for extrastelar secondary growth in dicotyledonous stem? (a) Interfascicular cambium (b) Intercalary meristem (c) Phellogen (d) Intrafascicular cambium
Last Answer : (d) Intrafascicular cambium
Description : Meiosis is best observed in dividing (a) cells of apical meristem (b) cells of lateral meristem (c) microspores and anther wall (d) microsporocytes.
Last Answer : (d) microsporocytes.
Description : Cork cambium and vascular cambium are (a) parts of secondary xylem and phloem (b) parts of pericycle (c) lateral meristem (d) apical meristem.
Last Answer : (c) lateral meristem
Last Answer : c) lateral meristem
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 : 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 : 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 : 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
Description : What are the functions of areolar tissue?
Last Answer : 1. It is found between skin and muscles and around blood vessels. It binds skin with underlying parts. 2. It acts as a filling medium and fills the gap between the organs and hence protects internal organs. 3. It also helps in repairing damaged tissues.
Description : Which tissue makes up the husk of coconut?
Last Answer : Sclerenchymatous tissue
Description : What is a tissue?
Last Answer : Groups of cells which have a common origin, with similar structure and work together to give the highest possible efficiency of function is called tissue. Blood, phloem and muscle are all examples of tissues
Description : The inner lining of blood vessels is made up of which tissues? (a) Nervous tissue (b) Epithelial tissue (c) Connective tissue (d) Muscle tissue
Last Answer : (b) Epithelial tissue
Description : Which type of tissue has lignified cell walls? (a) Parenchyma (b) Collenchyma (c) Sclerenchyma (d) cambium
Last Answer : (c) Sclerenchyma
Description : Which of the following is not a simple tissue? (a) xylem (b) parenchyma (c) collenchyma (d) sclerenchyma
Last Answer : (a) xylem
Description : Parenchyma is a type of ____ (a) simple tissue (b) complex tissue (c) xylem d) phloem
Last Answer : (a) simple tissue
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 : (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