TLS Online TPP Program

#Question id: 19057


Which of the statements is correct about Gas chromatography?

#Unit 13. Methods in Biology
  1. Gas chromatography is used to analyse gases
  2. Gas chromatography is used to analyse solids
  3. Gas chromatography is used to analyse gases, solutions and solids
  4. All of the above
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TLS Online TPP Program

#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

TLS Online TPP Program

#Question id: 29488

#Unit 6. System Physiology – Plant

iPRTP or iPRDP is converted to ZTP or ZDP respectively by

TLS Online TPP Program

#Question id: 29489

#Unit 6. System Physiology – Plant

The ribotide and riboside forms of trans-zeatin can be interconverted, and free transzeatin can be formed from the ribotide by the