1.

Please tell the 7 and 8 multiple choice question. please

Answer»

7.

geotropism = moving towards or AWAY from gravity / ground .


a positively geotropic part MOVES towards the gravity / ground WHEREAS a negatively geotropic part moves away from it.


phototropism = moving towards or away from light


a positively phototropic part moves towards the light whereas a negatively phototropic part moves away from it.


a stem always grows in UPWARD direction .

thus it is negatively geotropic and positively phototropic.



8. tropism/ tropic movements = plant part movements either towards or away from the stimulus .



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