Description : Mention the differences between parenchyma and collenchyma
Last Answer : Parenchyma Collenchyma Parenchyma cells are loosely arranged Collenchyma cells are closely packed They have thin cell wall. They are thick walled at the corners
Description : Mention the functions of parenchyma.
Last Answer : Parenchyma cells stores large amounts of food materials. If parenchyma cells contain chloroplasts, it takes part in photosynthesis. They help the leaves of aquatic plants to float.
Description : The tissue that is involved in the transport of food material in plants is called: (a) parenchyma (b) phloem (c) sclerenchyma (d) xylem
Last Answer : Ans:(b)
Description : Adventitious roots develop from (a) Epidermis (b) Pericycle or interfascicular parenchyma (c) Cortex (d) Endodermis
Description : Identify the two components of Phloem tissue that help in transportation of food in plants (a) Phloem parenchyma & sieve tubes (b) Sieve tubes & companion cell. (c) Phloem parenchyma & companion cell. (d) Phloem fibres and sieve tubes
Last Answer : (b) Sieve tubes & companion cell.
Description : What is parenchyma?
Last Answer : Parenchyma is a simple permanent tissue in which is found in the soft parts of plants body.
Description : Main features of parenchyma? -Biology
Last Answer : answer:
Description : What is the purpose of the phloem parenchyma cells? -Biology
Last Answer : Phloem parenchyma cells, called transfer cells and border parenchyma cells, are located near the finest branches and terminations of sieve tubes in leaf veinlets, where they also function in the transport of foods.
Description : Xylem parenchyma cells -Biology
Last Answer : Xylem parenchyma is an element of complex tissue called “Xylem”. Parenchyma cells of xylem are mainly involved in the storage of carbohydrate, fats and water conduction. Plant tissues can be categorised based on their structure and functions performed.
Description : Xylem parenchyma cells function -Biology
Description : Parenchyma simple permanent tissue. -Biology
Description : What Happens to Parenchyma Tissue ?
Last Answer : Food is prepared in parenchyma tissue.
Description : What is Parenchyma Tissue ?
Last Answer : Perennial tissue is a permanent tissue made up of living cells with a thin cell wall made of cellulose.
Description : What is Xylem Parenchyma or Wood Parenchyma ?
Last Answer : : The parenchyma cells located in the xylem are called xylem parenchyma or wood parenchyma.
Description : What is phloem parenchyma ?
Last Answer : : The phloem parenchyma is the parenchyma cells present in the phloem.
Description : What is Wood Parenchyma ?
Last Answer : : The parenchyma cells located in the xylem are called wood parenchyma.
Description : The presence of bilirubin in the urine without urobilinogen suggests (A) Obstructive jaundice (B) Hemolytic jaundice (C) Pernicious anemia (D) Damage to the hepatic parenchyma
Last Answer : Answer : A
Description : Xylem fibres are made up of – (1) Scierenchyma cells with thin walls (2) Scierenchyma cells with thick walls (3) Parenchyma cells with thin walls (4) Scierenchyma cells with no obliteration in central lumen
Last Answer : (2) Scierenchyma cells with thick walls Explanation: Fibre that occurs as element of Xylem is called Xylem fibre. It is also referred to as Xylary fibre and wood fibre. It is made up of Scierenchyma cells with thick walls.
Description : Leaves of many grasses are capable of folding and unfolding because (1) their mesophyll is not differentiated into palisade and spongy parenchyma (2) they have stomata on both sides of the leaf (3) they have high levels of silica (4) they have specialised bulliform cells
Last Answer : (4) they have specialised bulli-form cells Explanation: Bulliform cells are large, bubbleshaped epidermal cells that occur in groups on the upper surface of the leaves of many grasses. These cells, by their turgor changes, cause rolling and unrolling of the leaves thus regulating water loss.
Description : A Parenchyma cell which stores ergastic substance is known as – (1) Phragmoblast (2) Idioblast (3) Conidioplast (4) Chloroplast
Last Answer : (2) Idioblast Explanation: Parenchyma cells containing ergastic substances are called idioblasts. Tannin cells, cells filled with raphides, etc. constitute idioblast. An idioblast is an isolated plant cell that differs from neighboring tissues. It carries out storage of reserves.
Description : Water conduction takes place in mosses through – (1) Xylem and Phloem (2) Xylem (3) Collenchyma (4) Parenchyma
Last Answer : (4) Parenchyma Explanation: Botanically, mosses are nonvascular plants that absorb water and nutrients mainly through their leaves and harvest carbon dioxide and sunlight to create food by photosynthesis. ... They do not have a welldeveloped xylem. Their conducting tissue is made up of parenchyma.
Description : The only living tissue in plant xylem is (1) Trachea (2) Xylem fibre (3) Xylem parenchyma (4) Tracheid
Last Answer : (3) Xylem parenchyma Explanation: Xylem parenchyma is the only living component found in xylem tissue. They are living cells associated with the xylem that are found in between the vessels ... is a complex permanent tissue specialized for the conduction of water and mineral substances in plants.
Description : The main function of palisade parenchyma in leaf is – (1) Antibiotics (2) Pollutants (3) Hormones (4) Toxins
Last Answer : (4) Toxins Explanation: Palisade parenchyma is the layer of tissue directly beneath the epidermis of the upper surface of a leaf. It contains the cylindershaped cells that hold the ... the primary area of photosynthesis that converts the light energy to the chemical energy of carbohydrates
Description : The food conducting tissue of a plant is (1) Phloem (2) Xylem (3) Parenchyma (4) Collenchyma
Last Answer : (1) Phloem Explanation: In vascular plants, phloem is the living tissue that carries organic nutrients, in particular, sucrose, a sugar, to all parts of the plant where needed. ... mainly with the transport of soluble organic material made during photosynthesis. This is called translocation.
Description : Primary site of infection of adult Fasciola hepatica is B A. Bile duct B. Liver Parenchyma C. Skin D. Lung
Last Answer : Liver Parenchyma
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 : Jute fibre is extracted from ? a Xylem b Parenchyma c Secondary phloem d Epidermal layer
Last Answer : c Secondary phloem
Description : The CO2 fixation during C4 pathway occurs in the chloroplast of (a) guard cells (b) bundle sheath cells (c) mesophyll cells (d) spongy parenchyma.
Last Answer : (c) mesophyll cells
Description : Bidirectional translocation of solutes takes place in (a) parenchyma (b) cambium (c) xylem (d) phloem.
Last Answer : (d) phloem.
Description : Loading of phloem is related to (a) increase of sugar in phloem (b) elongation of phloem cell (c) separation of phloem parenchyma (d) strengthening of phloem fiber.
Last Answer : (a) increase of sugar in phloem
Description : Heartwood differs from sapwood in (a) presence of rays and fibres (b) absence of vessels and parenchyma (c) having dead and non-conducting elements (d) being susceptible to pests and pathogens.
Last Answer : (c) having dead and non-conducting elements
Description : Interfascicular cambium develops from the cells of (a) endodermis (b) pericycle (c) medullary rays (d) xylem parenchyma.
Last Answer : (c) medullary rays
Description : The balloon-shaped structures called tyloses (a) originate in the lumen of vessels (b) characterise the sapwood (c) are extensions of xylem parenchyma cells into vessels (d) are linked to the ascent of sap through xylem vessels.
Last Answer : (c) are extensions of xylem parenchyma cells into vessels
Description : Which of the following is made up of dead cells? (a) Collenchyma (b) Phellem (c) Phloem (d) Xylem parenchyma
Last Answer : (b) Phellem
Description : Palisade parenchyma is absent in leaves of (a) mustard (b) soybean (c) gram (d) Sorghum.
Last Answer : (d) Sorghum.
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 : The transverse section of a plant shows following anatomical features : (i) Large number of scattered vascular bundles surrounded by bundle sheath (ii) Large conspicuous parenchymatous ground ... (a) Monocotyledonous stem (b) Monocotyledonous root (c) Dicotyledonous stem (d) Dicotyledonous root
Last Answer : (a) Monocotyledonous stem
Description : An organised and differentiated cellular structure having cytoplasm but no nucleus is (a) vessels (b) xylem parenchyma (c) sieve tubes (d) tracheids.
Last Answer : (c) sieve tubes
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 : (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 : Where do you find Parenchyma cells in Plants?
Last Answer : Widely distributed in stem, root, leaves, flower.
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 is the shape of Parenchyma cells?
Last Answer : Isodiameteric (same size)
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 : (CBSE 2011): A permanent slide shows thin walled isodiametric cells with a large vacuole. The slide contains: (a) Parenchyma cells (b) Nerve cells (c) Sclerenchyma cells (d) Collenchyma cells
Last Answer : (a) Parenchyma cells
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