explain the tropic and nastic movements in plants with suitable examples?
Answers
Answer:
nastic movements are paratonic movement of variation ex..movement of shoot towards the sunlight .
tropic movements are shown by plant organ with radial symmetry .ex...such as root and stem ...hope it help .....
Answer:
hii
Explanation:
tropic movement refers to that how plant respones to their stimulli.
diffrent types to tropic movements are-
1) phototropism -
it refers to the movement of plant in response to light. ex- sunflower its flower is in the direction of sun.
2) geo tropism-
it refers to the movement of plants towards the soil. ex- root grows towards the soil.
3) hydrotropism- it refers to the movement of plants towards the water
ex- plants root growing in humid air bending toward a high relative humidity level. it is seen in tomatos roots and radish roots and even in carrots roots.
4) chemotropism- it refers to the movemnt of plants in response to chemical stimulli.
ex - growth of pollen tube towards ovule.
5) Thigmotropism- it refers to the movement in plants in response to touch.
ex- tebdrils of cucurbit, bottle gourd
Nastic movements refers to the reversible and repeatble movement in response to a stimulus whose direction is determined by anatomy of plant.
ex -1) touch me not plant
hope u get the ans...thnks.