Plant Growth and Development — BIO BOTANY STD 11 — Question

Which of the following are included under micro nutrients:

Bracts are modified leaves which bear flowers in their axils. Identify the plant which has a large showy brightly coloured bract …………… .

At standard temperature the water potential pure water is:

Indicate the correct statements:
(i) Root pressure is absent in gymnosperms.
(ii) Root pressure in totally absent in angiosperms.
(iii) There is a relationship between the ascent of sap and root pressure.
(iv) There is no relationship between the ascent of sap and root pressure.

Elaioplasts store …………… .

Indicate the correct statements:
(i) Iron is the essential element for the synthesis of chlorophyll and carotenoid
(ii) Iron is the activator of carboxylene enzyme
(iii) Iton is the component of cytochrome
(iv) lvon is the component of plastocyanin

Plants growing emergent in marshy saline habitat are called as …………… plants.

Who found out the phytochrome in plants?

The metabolites which does not show any direct function in growth is called …………… metabolite.

…………… grows on sand.