Site of perception of light/dark duration is/are

With respect to photoperiodism, site of perception of light/ dark duration is

With respect to photoperiodism, site of perception of light/ dark duration is

In flowering plants, the site of perception of light/ dark duration is

In flowering plants, the site of perception of light/dark duration is

The site of perception of light/dark duration are the

The site of perception of light/dark duration are the

The site of perception of light/dark duration are the____

Select the correct statement related to flowering in plants. I. Some plants require a periodic exposure to light to induce flowering II. The flowering is either quantitatively or qualitatively dependent on exposure to low temperature. III. The site of perception of light/dark duration is the stem apex. IV. Flowering in plants is due to the hormones produced in the shoot apex.

Select the correct statement related to flowering in plants. I. Some plants require a periodic exposure to light to induce flowering II. The flowering is either quantitatively or qualitatively dependent on exposure to low temperature. III. The site of perception of light/dark duration is the stem apex. IV. Flowering in plants is due to the hormones produced in the shoot apex.