Q. 125.0( 8 Votes )
Give one example each of a plant part:
(a) which is positively hydrotropic as well as positively geotropic.
(b) which is positively phototropic but negatively geotropic.
Answer :
(a) Root of a plant bends towards the water in soil hence shows positive hydrotropic with positive geotropic.
(b) Stem of a plant bend towards the light above the soil hence shows positive phototropic but negative geotropic.
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PREVIOUSGive one example of the movement of a plant part which is caused by the loss of water (or migration of water).NEXTWhich of the following is a growth movement and which is not?(a) folding up of leaves of sensitive plant on touching with hand.(b) folding up of petals of dandelion flower when light fades.
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