What will happen when E2Fs are bound to Rb?

TLS Online TPP Program

#Question id: 29482

#Unit 6. System Physiology – Plant

In the absence of gibberellin, the DELLA proteins

a) positively regulate GID1, GA20ox, and GA3ox

b)negatively regulate GA2ox

c) positively regulate GA2ox

d)negatively regulate GID1, GA20ox, and GA3ox

Which of the following is correct

TLS Online TPP Program

#Question id: 29483

#Unit 6. System Physiology – Plant

Which of the following are defined as compounds that have biological activities similar to those of trans-zeatin

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#Question id: 29484

#Unit 6. System Physiology – Plant

Physiological action of Cytokinins is given

a. Induce cell division in callus cells in the presence of an auxin 

b. Promote bud or root formation from callus cultures 

c. Delay senescence of leaves

d. Promote expansion of dicot cotyledons

Which of the following is correct

TLS Online TPP Program

#Question id: 29485

#Unit 6. System Physiology – Plant

Which of the following is not an example of Isoprenoid cytokinins

TLS Online TPP Program

#Question id: 29486

#Unit 6. System Physiology – Plant

Which of the following is examples of Aromatic cytokinins 

a. ortho-Topolin (oT), meta-Topolin (mT), Benzyladenine (BA

b. ortho-Methoxytopolin, meta-Methoxytopolin

c. trans-Zeatin (tZ), Dihydrozeatin (DZ)

d. cis-Zeatin, trans-Zeatin (tZ)

Which of the following is correct

TLS Online TPP Program

#Question id: 29487

#Unit 6. System Physiology – Plant

Some statement is given related to cytokinin

a. iP and tZ are active, and their derivatives are abundant

b. iP and tZ are inactive, and they are not abundant

c. iP and tZ are susceptible to degradation by CK oxidase (CKX). 

d. all cZ‐type CKs are derived from tRNA degradation in cZ‐abundant plant species

Which of the following is INCORRECT