Assertion: Phytochrome exists in two form `P_(r)` and `P_("fr")` form inhibit flowering.

Assertion: Phytochrome exists in two forms P_(r) and P_("fr") Reasons : P_(r) form stimulates and P_("fr") form inhibit flowering.

Phytochrome P_("fr") is

Phytochrome P_("fr") is

Assertion:- Phosphorous exist as P_(4) not as P_(2) Reason:- Sidewise overlapping between two 3p orbitals is less effective.

ZnS exists in two forms called …….. And ……..

Assertion:- Phosphorous exist as p_(4) not as P_(2) Reason:- Sideiwse overlapping between two 3p orbitlas is less effective.

Pr form of phytochrome absorbs light

Consider the following statements and select the correct option stating which one is true(T) and which one is false (F) i) Vemalisation can help in shortening the juvenile or vegetative period of plant and bring early flowering ii) Phytochrome is a pigment protein complex which exists in two inter-convertible forms - P_r and P iii) Sugar beet flowers after getting the inductive cycle of long dark periods and short photoperiods iv) 2,4-D acts as weedicide to remove broad leaved weeds. V) Auxins promote growth of lateral buds whereas cytokinins inhibit it

Assertion : H_(2) exists in two isomeric forms known as ortho and para forms Reason : The ortho and para H_(2) differ in the spin of theire electron.