Which of the following are not correct ?
(i) Oxygen helps in releasing metabolic energy essential for growth activities.
(ii) Nutrients are required by plants for the synthesis of protoplasm and act as source of energy.
(iii) Light and gravity affect certain stages of growth.
(iv) Water oxidizes glucose to provide energy
(v) Long day plants flower if the night length shorter than a critical period.
(vi) Short-day plants flower when night length exceeds a critical dark period.
(vii) The process of flowering does not occur in dayneutral plants.
(viii) 17,500 new cells are produced per hour by a single maize root apical meristem.
(ix) With the help of length, growth of pollen tube is measured.
(x) The growth of the leaf is measured in terms of volume.
(xi) Cells in a watermelon may increase in size by upto 3,50,000 times.
Choose the correct option given below :-