TLS Online TPP Program

#Question id: 22957


floral organ development is controlled by overlapping expressions of A class , B class and C class genes in different whorls. In an Arabidopsis mutant, the floral whorls had following pattern:
Sepal àSepal àcarpel àcarpel 
Mutation in which one of the following class of gene causes above pattern.  

#Unit 5. Developmental Biology
  1. class A gene alone 
  2. class B gene alone
  3. class A and class B gene 
  4. class C gene alone
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TLS Online TPP Program

#Question id: 10343

#Unit 6. System Physiology – Plant

In many plants, nitrate is assimilated in the root as well as in the shoot according to their native place. Some of the given statements about nitrate assimilation;

a) If plants native to temperate region assimilate NO3- at root

b) If plants native to temperate region assimilate NO3- at shoot

c) Plants native to tropical or subtropical region assimilate NO3- at root

d) Plants native to tropical or subtropical region assimilate NO3- at shoot

Which of the following combination from above statements is correct?

TLS Online TPP Program

#Question id: 10349

#Unit 6. System Physiology – Plant

Elevated plastid levels of glutamine stimulate the activity of glutamate synthase (also known as glutamine:2- oxoglutarate aminotransferase, or GOGAT). Given below some of the statements about GOGAT, which one of the following is incorrect?

TLS Online TPP Program

#Question id: 10350

#Unit 6. System Physiology – Plant

Ammonium can be assimilated via an alternative pathway rather than primary pathway which involves the sequential actions of glutamine synthetase(GS) and glutamate synthase(GOGAT), these alternative pathway catalyzes by enzyme known as,

TLS Online TPP Program

#Question id: 10351

#Unit 6. System Physiology – Plant

Plants contain two types of GOGAT; one accepts electrons from NADH, and the other accepts electrons from ferredoxin (Fd); which one of the following statements is correct?

TLS Online TPP Program

#Question id: 10352

#Unit 6. System Physiology – Plant

which of the following amino acid that participates in the malate–aspartate shuttle to transfer reducing equivalents from the mitochondrion and chloroplast into the cytosol?

TLS Online TPP Program

#Question id: 10353

#Unit 6. System Physiology – Plant

Aminotransferases are found in multiple organelles such as cytoplasm, chloroplasts, mitochondria, glyoxysomes, and peroxisomes, these aminotransferases one of its organelles may have a significant role in amino acid biosynthesis such as;