1) What is an Auxin a) a word to do with plants b) A growth regulator found in plants c) A growth promoter in plants d) A growth inhibitor in plants 2) State the places auxins are made in plants a) Root tips b) Shoot tips c) lateral branch tips d) buds  e) meristematic tissue f) All of the answers 3) State one way auxins inhibit growth a) if apical bud is removed plant will not grow taller b) if lateral bud is removed plant grows taller c) Plants bend d) Plants absorb water 4) Unequal amounts of auxin in a plant shoot causes it to a) bend towards the light b) bend away from the root 5) Unequal concentrations of Auxin in a root tip causes it to  a) stop or reduce growth b) grow more 6) Suggest a cause of unequal concentrations of auxin in a shoot tip a) only exposed to light on one side b) Exposed to light on both sides c) effect of gravity 7) Suggest a cause of unequal concentrations of auxin in a root tip a) availability of water b) effect of gravity c) Plant hormones 8) Which of the following are uses of auxins in horticulture a) ripening of fruit b) delayed ripening of fruit c) producing new plants  d) weed killers e) seedless fruit f) to smell nice

Plant Responses...Auxins

بواسطة
تضمين

لوحة الصدارة

النمط البصري

الخيارات

تبديل القالب

استعادة الحفظ التلقائي: ؟