Found inside â Page 302The root functions as a rhizome , is dorsiventral in shape and structure , and contains chlorophyll ( even possessing ... The root - hairs have the properties of true roots and so cling to the substratunı ; special organs for this purpose ( haptera ) ... Their chief function is to bear the firs . , which appear when the water - level sinks . Found inside â Page 40Furthermore , the surface area of the root hairs is many times greater than that of the root itself . The chief function of these root hairs is to absorb ... Found inside â Page 62The zone of root - hair formation may begin as near as 1 to 2 mm from the meristematic region of the root , but is usually found ... The chief function of the root hairs appears to be to extend the actual surface of the root in contact with the soil . Found inside â Page 40Furthermore , the surface area of the root hairs is many times greater than that of the root itself . The chief function of these root hairs is to absorb for the use of the plant the soil moisture and the plant - food materials dissolved in it , a function ... Found inside â Page 24... could withstand. The chief mechanical function of tree roots is to provide ... Tiny root hairs near the growing tips of feeding roots come in contact with soil moisture and take up needed amounts by a process called osmosis. The cells of the ... Found inside â Page 212Root hairs and osmosis . Object . â To teach of root hairs as vital organs of the plant , of their function and of osmosis in its relation to absorption of ... Found inside â Page 131Describe some of the chief forms of underground Stems . 2. What is the chief function of Root - hairs ? 3. Give examples of monoecious ' and ' diæcious ' plants . 4. Describe the Flower in Apple and Sweet Pea . 5. Describe and name the Fruits ... Found inside â Page 95The chief functions of soil roots are absorption and anchorage . The absorbing surface is very greatly increased by the extension of the epidermal cells into root hairs . Most living epidermal cells in the roots have the capacity for developing root ... Found inside â Page 188Roots and their Functions . â The absorbing surface is confined to a certain but short distance immediately behind the apex , and consists of the delicate epidermal surface with its root - hairs if present . This is easily proved by a simple ... Found inside â Page xThis resulted in the discovery of the ' breathing role in roots being the chief function of root hairs . On tallying all the previous results , they were found to be actually providing ample evidences towards their role in gaseous exchange ( mostly ... Found inside â Page 212Root hairs and osmosis . Object.To teach of root hairs as vital organs of the plant , of their function and of osmosis in its relation to absorption of ... Found inside â Page 42The chief function of root hairs is photosynthesis absorption digestion transpiration assimilation 67. Living things give off water by the process of absorption photosynthesis transpiration assimilation 68. Iodine is used as a test for proteins sugar ... Found inside â Page 333... cells also absorb water with a range of velocity comparable to that of cells bearing root hairs . The principal function of the root hairs is considered ... Found inside â Page 64( Let the pupils examine carefully the root - hairs of a young radish plant , or of a young corn plant . ) But roots are not always ... The chief function of the root is to bring food from the soil to the plant in the soluble form . Hence plants require a ... Found inside â Page 289Still another experiment was made which furnishes strong evidence that one function of the gynophore hairs corresponds to the chief function of those of the root . A large , well developed , thristily growing plant was cut in such a manner as to ... Found insideThe structure and the chief functions of these will be considered under aërating ... in the region of the root, immediately back of the root hair zone. Found inside â Page 129This is the chief function . The substances absorbed consist of various salts in very dilute solution , and only in this form can plants take up their mineral food . The solution diffuses through the thin cell walls of the root - hairs , immediately ... Found inside â Page 156Cork cambium or phellogen ( G. phellos , cork ; genes , produced ) is developed from the pericycle of roots ( Fig . 118 , D ) . Root hairs . Since one of their chief functions is the absorption of water and dissolved mineral salts from the soil , young ... Found inside â Page 49In Chapter II attention was called to the root - hairs . Their chief function is the absorption of water and dissolved substances from the soil . Found inside â Page 329Still another experiment was made which furnishes strong evidence that one function of the gynophore hairs corresponds to the chief function of those of the root . A large , well developed , thriftily growing plant was cut in such a manner as to ... Found inside â Page 212Root hairs and osmosis . Object.- To teach of root hairs as vital organs of the plant , of their function and of osmosis in its relation to absorption of ... Found inside â Page 190The root hairs of gladiolus have not been studied extensively but it can be assumed that their total number is also astronomical . The chief function of these delicate and ephemeral root hairs is to increase the absorbing area of the root . Found inside â Page 9Beneath this root - cap lie the tissues of the root - tip , and in different arrangement according to the different genera . ... A single layer of cells ( D ) covers in the cortex over its whole extent , and will form the epidermis and the absorbing cells or root - hairs . ... To that extent , therefore , the root - cap may be considered an organ of absorption ; its chief function , however , is that of a protective cap . We can ... Found inside â Page 237The chief function of root hairs is to a . decrease the anchoring power of roots b . increase the surface area for absorption of water and minerals c provide a direct passageway from the soil to the vascular cylinder d . harbor symbiotic bacteria e ... Found inside â Page 329... tested for acids and were found to respond readily to the litmus paper test . â Still another experiment was made which furnishes strong evidence that one function of the gynophore hairs corresponds to the chief function of those of the root . Found inside â Page 255It is very destructive to the roots of plants . It excretes large quantities of nitrogenous waste materials . ... Much of the food of man comes from agricultural products . 12 12 The chief function of root hairs is To anchor the plant firmly in the ground . Found inside â Page 52The chief function of vessels in the plant body is (a) to translocate food ... (d) All of these Root hairs develop from (a) region of maturation (b) region ... Found inside â Page 127The absorptive power of the root is increased many fold by the presence of the root hairs . The life of a root hair is generally very short ; in many cases it remains alive for only a few days . New root ... What are the chief functions of the leaf ? 16. Found inside â Page 378The chief functions of roots are anchorage , absorption of water and mineral salts , and the conduction of the latter to the ... These root hairs , too , have a very definite locaHairs Root Hairs ( Highly magnified ) Growth Region -Root Cap Fig . Found inside â Page 144Dangling roots , with thick , spongy outer layers , readily absorb rain water and atmospheric moisture . ... What are the chief functions performed by each of the following parts of the root : ( a ) epidermis , ( 6 ) root hairs , ( c ) cortex , ( d ) central ... Found inside â Page 106The chief function of these root - hairs is to absorb the moisture with which they come in contact , together with such mineral matter as may be dissolved in it . The moisture thus absorbed by the hairs is passed onward to the roots themselves ... Found inside â Page 329Still another experiment was made which furnishes strong evidence that one function of the gynophore hairs corresponds to the chief function of those of the root . A large , well developed , thriftily growing plant was cut in such a manner as to ... Found inside â Page 90The root hair system of plants is another root factor that is directly related to the absorption of water and solutes from soils. The number of root hairs, ... The chief function of such roots is to give added support to the stem system. In some plants ... Found inside â Page 243Other aspects of root and root hair development give results which correspond to one or the other of these two , or give graphs which are intermediate . ... He considers that the chief function of 1928 ) 243 FARR : GROWTH OT ROOT HAIRS. Found inside â Page 329Still another experiment was made which furnishes strong evidence that one function of the gynophore hairs corresponds to the chief function of those of the root . A large , well developed , thriftily growing plant was cut in such a manner as to ... Found inside â Page 2The chief function of the roots is to supply water to the leaves and food to the plant, and one of the main objects of cultivation must be to encourage a good healthy root development. A small unhealthy root system means an unhealthy plant, ... Found insideThe chief function of the epidermis is to protect the plant from mechanical ... unlike the delicate root-hairs produced by the piliferous layer of the root. Found inside â Page 78The AtANN1 functions in response to root salinity stress (hypothetical explanation in Fig ... The ANNs are found in growing cells (in root hairs and pollen) ... Found inside â Page 289Schwarz states of his experiment with Pisum sativum that the hairs arising on the roots of plants raised in damp sawdust ... furnishes strong evidence that one function of the gynophore hairs corresponds to the chief function of those of the root . Found inside â Page 32Root - hairs adhere very closely to the soil in which they grow ; and , taken as a mass , possess considerable tenacity , so that they are quite influential in holding the root in place . Their chief function , however , is the absorption of liquids , a ... Found inside â Page 40Furthermore , the surface area of the root hairs is many times greater than that of the root itself . The chief function of these root hairs is to absorb ... Found inside â Page 329... tested for acids and were found to respond readily to the litmus paper test. âStill another experiment was made which furnishes strong evidence that one function of the gynophore hairs corresponds to the chief function of those of the root. Found inside â Page 188Roots and their Functions . The absorbing surface is confined to a certain but short distance immediately behind the apex , and consists of the delicate epidermal surface with its root - hairs if present . This is easily proved by a simple ... Found inside â Page 54It possesses root hairs which are single celled. It absorbs water and Phloem Small pith mineral salts from the soil. The chief function of Metaxylem ... Found inside â Page 141Epidermal outgrowths , such as hairs , are usually most abundant on the lower surface of leaves , where , because of ... The chief function of root hairs is to increase the permeable surface of roots which may be 5 or even 10 times that of ... Found inside â Page 40Furthermore , the surface area of the root hairs is many times greater than that of the root itself . The chief function of these root hairs is to absorb ... Found inside â Page 106The chief function of these root - hairs is to absorb the moisture with which they come in contact , together with such mineral matter as may be dissolved in it . The moisture thus absorbed by the hairs is passed onward to the roots themselves ... Found inside â Page 153cases where leaf function is transferred to the stem the latter becomes more or less flattened or angular . ... The chief function of the root hairs is to increase the permeable surface of roots which may be 5 or even 10 times that of hairless roots ... 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