Description : Two cells A and B are contiguous. Cell A has osmotic pressure 10 atm, turgor pressure 7 atm and diffusion pressure deficit 3 atm. Cell B has osmotic pressure 8 atm, turgor pressure 3 atm and diffusion pressure ... two (c) movement of water from cell A to B (d) movement of water from cell B to A.
Last Answer : (c) movement of water from cell A to B
Description : Difference between turgor pressure and wall pressure? -Biology
Last Answer : answer:
Description : The water potential and osmotic potential of pure water are (a) 100 and 200 (b) zero and 100 (c) 100 and zero (d) zero and zero.
Last Answer : (d) zero and zero.
Description : How does turgor pressure help the cell? -Biology
Description : Potometer works on the principle of (a) osmotic pressure (b) amount of water absorbed equals the amount transpired (c) root pressure (d) potential difference between the tip of the tube and that of the plant.
Last Answer : (b) amount of water absorbed equals the amount transpired
Description : In plant-water relationships, symbol ‘YW’ is used to represent (1) Osmotic pressure (2) Water potential (3) Solute potential (4) Osmosis
Last Answer : Water potential
Description : Differentiate between Osmotic Pressure and Osmotic Potential. -Biology
Description : Root pressure develops due to (a) passive absorption (b) active absorption (c) increase in transpiration (d) low osmotic potential in soil.
Last Answer : (b) active absorption
Description : Colloid osmotic pressure of intracellular fluid is (A) Equal to that of plasma (B) More than that of plasma (C) More than that of plasma (D) Nearly zero WATER AND ELECTROLYTE BALANCE 285
Last Answer : Answer : B
Description : The cell that expanded itself to this point is called turgid cell ?
Last Answer : Cell Membrane Review - Image Diversity: plasmolysed cell flaccid cell turgid cell
Description : Cell becomes turgid because of - (1) Plasmolysis (2) Exosmosis (3) Endosmosis (4) Diffusion
Last Answer : (3) Endosmosis Explanation: When the plant cell is placed in a hypotonic solution, it takes up water by osmosis and starts to swell, but the cell wall prevents it from bursting. The plant cell is ... become "turgid" i.e. swollen and hard. So it is because of endosmosis that cell becomes turgid.
Description : Cell becomes turgid because of (1) Plasmolysis (2) Exosmosis (3) Endosmosis (4) Diffusion
Last Answer : Endosmosis
Description : What is turgor pressure? -Biology
Description : What is the relationship between osmosis and turgor pressure? -Biology
Description : Stomata open and close due to (a) circadian rhythm (b) genetic clock (c) pressure of gases inside the leaves (d) turgor pressure of guard cells
Last Answer : (d) turgor pressure of guard cells.
Description : Opening and closing of stomata is due to the (a) hormonal change in guard cells (b) change in turgor pressure of guard cells (c) gaseous exchange (d) respiration.
Last Answer : (b) change in turgor pressure of guard cells
Description : Water potential and osmotic potential of pure water are
Last Answer : Water potential and osmotic potential of pure water are A. Zero and zero B. 100 and zero C. 100 and 100 D. zero and 100
Description : When cells are turgid, they are: a. Deflated b. Ruptured c. Inflated d. Joined with other cells
Last Answer : Inflated
Description : Earthworms have no skeleton but during burrowing, the anterior end becomes turgid and acts as a hydraulic skeleton. It is due to (a) gut peristalsis (b) setae (c) coelomic fluid (d) blood.
Last Answer : (c) coelomic fluid
Description : Explain why only turgid leaf is selected for the preparation of a temporary mount of a leaf peel?
Last Answer : Answer. When guard cells are turgid, the stoma remains open and stomatal aperture is easily observable.
Description : If a bathing fluid has the same osmotic pressure than the cell it called a. Isotonic b. Hypertonic c. hypotonic d. all
Last Answer : Isotonic
Description : If a bathing fluid has higher osmotic pressure than the cell it is called a. Isotonic b. hypotonic c. hypertonic d. all
Last Answer : hypertonic
Description : If a bathing fluid has a lower osmotic pressure than the cell, it is called a. Isotonic b. hypotonic c. hypertonic d. All
Last Answer : hypotonic
Description : What is the function of the cell envelope? a. growth and reproduction b. protection from osmotic pressure c. sensing and responding to the environment d. acquiring nutrients
Last Answer : b. protection from osmotic pressure
Description : Which one of the following features is absent in a virus? (1) reproduce within host cell (2) presence of cell wall (3) fully parasitic in nature (4) presence of either DNA or
Last Answer : (2) presence of cell wall Explanation: A virus has a simple structure. It has no internal cellular structure, no cell wall or cell membrane, just the protein coat that holds the string of nucleic ... is a layer located outside the cell membrane found in plants, fungi, bacteria, algae, and archaea.
Description : Which one of the following features is absent in a virus ? (1) reproduce within host cell (2) presence of cell wall (3) fully parasitic in nature (4) presence of either DNA or RNA
Last Answer : presence of cell wall
Description : What is turgor movement in plants? -Biology
Description : what are the types of turgor movements -Biology
Description : Movements in Mimosa pudica are due to turgor changes in
Last Answer : Movements in Mimosa pudica are due to turgor changes in A. Pulvinus and pulvinnules B. Pinna and pinnules C. Leaf and leaflets D. Petiole and rachis
Description : Skin turgor?
Last Answer : DefinitionSkin turgor is the skin's ability to change shape and return to normal (elasticity).Alternative NamesDoughy skin; Poor skin turgor; Good skin turgor; Decreased skin turgorConsiderationsSkin turgor is ... for a few seconds then released.Skin with normal turgor snaps rapidly back to its
Description : Which of the following elements is responsible for maintaining turgor in cells? (a) Magnesium (b) Sodium (c) Potassium (d) Calcium
Last Answer : (c) Potassium
Description : Which of the following elements is responsible for maintaining turgor in cells ? (1) Magnesium (2) Sodium (3) Potassium (4) Calcium
Last Answer : (3) Potassium
Description : Water from soil enters into the root hairs owing to : (1) Atmospheric pressure (2) Capillary pressure (3) Root pressure (4) Osmotic pressure
Last Answer : (2) Capillary pressure Explanation: In plants, the transpiration stream is the uninterrupted stream of water, and other, which is taken up by the roots and, via the xylem vessels, ... the difference in water potential between the soil and the substomatal cavity caused by transpiration.
Description : Excessive use of chemical fertilisers causes shrivelling of the roots and wilting of the plant, because the (A) Osmotic pressure of the soil water becomes less than that of the plant sap (B) Soil ... pressure of the soil water becomes higher than that of the plant sap (D) Soil becomes too acidic
Last Answer : (C) Osmotic pressure of the soil water becomes higher than that of the plant sa
Description : An osmotic diuretic, such as Mannitol, is given to the patient with increased intracranial pressure (IICP) in order to a) dehydrate the brain and reduce cerebral edema. Osmotic diuretics ... Medications such as barbiturates are given to the patient with IICP to reduce cellular metabolic demands.
Last Answer : a) dehydrate the brain and reduce cerebral edema. Osmotic diuretics draw water across intact membranes, thereby reducing the volume of brain and extracellular fluid.
Description : Oncotic pressure refers to a) the osmotic pressure exerted by proteins. Oncotic pressure is a pulling pressure exerted by proteins, such as albumin. b) the number of dissolved particles contained in a ... . Osmotic pressure is the amount of pressure needed to stop the flow of water by osmosis.
Last Answer : a) the osmotic pressure exerted by proteins. Oncotic pressure is a pulling pressure exerted by proteins, such as albumin.
Description : Choose the correct statement about osmotic diuretics: A. They are large molecular weight substances which form colloidal solution B. Their primary site of action is collecting ducts in the ... C. They increase water excretion without increasing salt excretion D. They can lower intraocular pressure
Last Answer : D. They can lower intraocular pressure
Last Answer : Capillary pressure
Description : Osmotic expansion of a cell kept in water is chiefly regulated by
Last Answer : Osmotic expansion of a cell kept in water is chiefly regulated by A. Mitochondria B. Vacuoles C. Plastids D. Ribosomes
Description : The osmotic expansion of a cell kept in water is chiefly regulated by (a) mitochondria (b) vacuoles (c) plastids (d) ribosomes.
Last Answer : (b) vacuoles
Description : Osmotic pressure is maintained by blood colloid
Last Answer : Osmotic pressure is maintained by blood colloid A. Albumin B. Globulin C. Fibrinogen D. Thrombin
Description : Blood colloidal osmotic pressure mainly maintained by which plasma protein `:-`
Last Answer : Blood colloidal osmotic pressure mainly maintained by which plasma protein `:-` A. Globulin B. Albumin C. Fibrinogen D. Prothombin
Description : $ those subtances which reduce the rate of transpiration are called transpirants. ! Imbibition causes Osmotic pressure.
Last Answer : $ those subtances which reduce the rate of transpiration are called transpirants. ! Imbibition causes Osmotic ... D. If both As and R are wrong.
Description : Contribution of albumin to colloid osmotic pressure of plasma is about (A) 10% (B) 50% (C) 80% (D) 90%
Last Answer : Answer : C
Description : Osmotic pressure of plasma is (A) 80–100 milliosmole/litre (B) 180–200 milliosmole/litre (C) 280–300 milliosmole/litre (D) 380–400 milliosmole/litre
Description : What is osmotic pressure ?
Last Answer : Osmotic pressure is the pressure created in a aqueous solution by a region of lower solute concentration upon a region of higher solute concentration forcing the passage of water from that to this more ... a semipermeable membrane but it creates a compensatory flux of water in the opposite way.
Description : The haemodialyzer has semi-permeable lining of tubes which help to: (a) To maintain osmotic pressure of blood. (b) To filter nitrogenous wastes from the dialyzing solution. (c) In passing the waste product, in the dialyzing solution. (d) To pump purified blood back into the body of the patient.
Last Answer : (c) In passing the waste product, in the dialyzing solution.
Description : Define osmotic pressure.
Last Answer : Ans:- The extra pressure that must be applied to the solution side to prevent the flow of solvent molecules into solution through a semi permeable membrane is called osmotic pressure.
Description : Out of (a) 200 ml of 2 M NaCl Soln. and (b) 200 ml of 1 M glucose Soln. which one has higher osmotic pressure?
Last Answer : (a) 200 ml of 2 M NaCl Soln. NaCl is an electrolyte which dissolve to give ions. Glucose and urea are non electrolytes. Thus glucose has minimum conc. and hence minimum osmotic pressure.