Description : A narrow layer of thin walled cells found between phloem/bark and wood of a dicot is (a) cork cambium (b) vascular cambium (c) endodermis (d) pericycle.
Last Answer : (b) vascular cambium
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 : The vascular cambium normally gives rise to (a) primary phloem (b) secondary xylem (c) periderm (d) phelloderm.
Last Answer : (b) secondary xylem
Description : The vascular cambium normally gives rise to : (1) Primary phloem (2) Secondary xylem (3) Periderm (4) Phelloderm
Last Answer : 2) Secondary xylem
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 : Immunodeficiency: a) A localized protective reaction of tissue to irritation, injury, or infection, characterized by pain, redness, swelling, and sometimes a loss of function b) A disorder or deficiency ... effect and damage the liver. e) It is an immunity disorder which is genetically transferred.
Last Answer : Ans: B
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 : $ Secondary growth occurs in those plants which have closed vascular bundles. ! Cork is produced by intrafascicular cambium.
Last Answer : $ Secondary growth occurs in those plants which have closed vascular bundles. ! Cork is produced by ... D. If both As and R are wrong.
Description : Read the following four statements (A - D). (A) Both photophosphorylation and oxidative phosphorylation involve uphill transport of protons across the membrane. (B) In dicot stems, a new cambium ... Petunia are polyandrous. (D) Symbiotic nitrogen fixers occur in free-living state also in soil.
Last Answer : (A) Both photophosphorylation and oxidative phosphorylation involve uphill transport of protons across the membrane.
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 : Function of meristematic tissues? -Biology
Last Answer : answer:
Description : What are meristematic tissues? -Biology
Description : Characteristic features of meristematic tissues? -Biology
Description : Where are meristematic tissues located? -Biology
Description : State the functions of meristematic tissues.
Last Answer : a) Apical meristems make the plant to grow taller. b) Lateral meristems add girth to the plant body. c) Meristematic cells in vascular bundles of roots and stems bring about growth in thickness. d) The meristems found in nodes help in branching.
Description : Mention the features of meristematic tissues.
Last Answer : a) The cells have thin walls. b) The cells divide actively and cause growth. c) The cells are closely arranged without any inter cellular spaces in between. d) The cells have a large nucleus but lacks chloroplasts
Description : Mention the types of meristematic tissues & state their function
Last Answer : a) Apical meristem: They are located at the shoot tip which makes the plant, grow taller. b) Lateral meristem: They add to girth (diameter) of the plant body.
Description : Where do meristematic tissues occur?
Last Answer : Meristematic tissues occur in all growing regions like root tip, stem apex and buds.
Description : What are meristematic tissues?
Last Answer : The tissues composed of cells which keep on dividing forming new cells are called meristematic tissues.
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 : 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 : $ Cellular totipotency means that single cell can give rise to a fully grown multicellular organisms ! Meristematic cells are also called "stem cells"
Last Answer : $ Cellular totipotency means that single cell can give rise to a fully grown multicellular organisms ! Meristematic ... D. If both As and R are wrong.
Description : Which group of three of the following five statements (1-5) contain all three correct statements regarding beri-beri? 1. A crippling disease prevalent among the native population of sub-Saharan Africa. 2. A deficiency disease caused by lack ... and 5 (b) 1, 2 and 4 (c) 1, 3 and 5 (d) 2, 3 and 5
Last Answer : a) 2, 4 and 5
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 : In plants, the external group of tissues, from the cambium outward, of a woody stem or root is known as what?
Last Answer : ANSWER: BARK
Description : Which of the following terms refers to cells that lack normal cellular characteristics and differ in shape and organization with respect to their cells of origin? a) Anaplasia Usually, anaplastic cells are ... number of cells of a tissue, most often associated with a period of rapid body growth.
Last Answer : a) Anaplasia Usually, anaplastic cells are malignant.
Description : Organisation of stem apex into corpus and tunica is determined mainly by (a) planes of cell division (b) regions of meristematic activity (c) rate of cell growth (d) rate of shoot tip growth.
Last Answer : (a) planes of cell division
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 : 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 is NOT a correct association of tissues and hormones or functions? A) adipose tissue--leptin to regulate a feeling of fullness B) thymus--use of iodine to make thyroxine for ... insulin for regulation of blood glucose levels E) pancreas--glucagon for regulation of blood glucose levels
Last Answer : B) thymus--use of iodine to make thyroxine for regulation of body growth
Description : What gives rise to vascular cambium and cork cambium? -Biology
Description : Vascular cambium produces (a) primary xylem and primary phloem (b) secondary xylem and secondary phloem (c) primary xylem and secondary phloem (d) secondary xylem and primary phloem.
Last Answer : (b) secondary xylem and secondary phloem
Description : The periderm includes (a) secondary phloem (b) cork (c) cambium (d) all of these
Last Answer : (b) cork
Description : The cork cambium, cork and secondary cortex are collectively called (a) phelloderm (b) phellogen (c) periderm (d) phellem.
Last Answer : (c) periderm
Description : Secondary xylem and phloem in dicot stem are produced by (a) apical meristems (b) vascular cambium (c) phellogen (d) axillary meristems
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 : Secondary xylem and phloem in dicot stem are produced by (1) Apical meristems (2) Vascular cambium (3) Phellogen (4) Axillary meristems
Last Answer : (2) Vascular cambium
Description : What kind of tissue is cambium ?
Last Answer : Cambium is a type of dividing tissue.
Description : Which of the statements given below is not true about formation of annual rings in trees? (a) Annual rings are not prominent in trees of temperate region. (b) Annual ring is a combination ... of tissue-early and late wood respectively. (d) Activity of cambium depends upon variation in climate.
Last Answer : a) Annual rings are not prominent in trees of temperate region
Description : In the dicot root the vascular cambium originates from (a) tissue located below the phloem bundles and a portion of pericycle tissue above protoxylem (b) cortical region (c) parenchyma between endodermis and pericycle (d) intrafascicular and interfascicular tissue in a ring.
Last Answer : (a) tissue located below the phloem bundles and a portion of pericycle tissue above protoxylem
Description : Closed vascular bundles lack (a) ground tissue (b) conjunctive tissue (c) cambium (d) pith.
Last Answer : (c) cambium
Description : Which type of tissue has lignified cell walls? (a) Parenchyma (b) Collenchyma (c) Sclerenchyma (d) cambium
Last Answer : (c) Sclerenchyma
Description : 82. Closed vascular bundles lack (1) Pith (2) Ground tissue (3) Conjunctive tissue (4) Cambium
Last Answer : Cambium
Description : What vascular tissue brings water and minerals to the leaves? a) phloem (pron: flow-em) b) xylem c) cambium d) rhizomes (pron: rye-zom)
Last Answer : ANSWER: B -- XYLEM
Description : When assessing the older adult, the nurse anticipates increase in which of the follow components of respiratory status? a) Residual lung volume As a result, patient experience fatigue ... ) Cough efficiency The nurse anticipates difficulty coughing up secretions due to decreased cough efficiency.
Last Answer : a) Residual lung volume As a result, patient experience fatigue and breathlessness with sustained activity.
Description : The age of a tree can be known by examining (A) Cambium layer (B) Annular rings (C) Medullary rays (D) Heart wood
Description : Inner part of a timber log surrounding the pitch, is called (A) Sapwood (B) Cambium layer (C) Heart wood (D) None to these
Last Answer : Answer: Option C