In addition to the free bases, which are the only active forms, active cytokinin levels are decreased through;

a) Addition of sugar molecule to the 3, 7, or 9 nitrogen of the purine ring, called glycosylation-mediated inactivation

b) cis-trans isomerisation of zeatin

c) Irreversible cleavage by cytokinin oxidases.

Which of the following is incorrect?

TLS Online TPP Program

#Question id: 27357

#Unit 6. System Physiology – Plant

Chlorophyll can exist in three state in many state which state have no unpaired electron are found

TLS Online TPP Program

#Question id: 27358

#Unit 6. System Physiology – Plant

Choose the correct statement regarding singlet and triplet state

1. singlet state is short lived, net angular momentum and spin quantum number, s is zero

2. singlet state is long lived, net angular momentum and spin quantum number, s is one

3. Triplet state is long lived , net angular momentum and spin quantum number, s is one

4. Triplet state is short lived net angular momentum and spin quantum number, s is zero

TLS Online TPP Program

#Question id: 27687

#Unit 6. System Physiology – Plant

Precursor of GB is

TLS Online TPP Program

#Question id: 28069

#Unit 6. System Physiology – Plant

Various responses and different set of pigments are involved on different range of wavelength which of the following concerned with 610 nm-700 nm    

(a) Color name – Far-red

(b) Photopigments – Chlorophylls & Phytochromes

(c) Responses – Photosynthesis, Photomorphogenesis, Secondary metabolism, Shade avoidance, Photoperiodism

Which of the following is correct

TLS Online TPP Program

#Question id: 28070

#Unit 6. System Physiology – Plant

Water splitting/ oxygen evolution is initiated by presence of 

a. P680*

b. P680

c. P680+

TLS Online TPP Program

#Question id: 28071

#Unit 6. System Physiology – Plant

During Water splitting/ oxygen evolution P680+ is directly reduced by