The R and S loci are 20 m.u. apart. If a plant of genotype Rs/rS were allowed test cross ,which of the following progeny having 10% proportional ?

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#Question id: 12656

#Unit 6. System Physiology – Plant

Which one of the following lipases is activated on the plasma membrane, during octadecanoid pathway leads to the activation of jasmonic acid?

TLS Online TPP Program

#Question id: 12657

#Unit 6. System Physiology – Plant

Experiments performed in the laboratory of Anne Osbourn at the John Innes Centre  utilized genetic approaches to demonstrate the role of saponins in defense against pathogens of oat. If Mutant oat lines then,

TLS Online TPP Program

#Question id: 29451

#Unit 6. System Physiology – Plant

IAA is synthesised by tryptophan and is primarily synthesized in a two-step process, which of the following is an intermediate

TLS Online TPP Program

#Question id: 29452

#Unit 6. System Physiology – Plant

Auxins in biological samples can be determined by

a. bioassay

b. mass spectrometry

c. enzyme-linked immunosorbent assay 

d. The Avena coleoptile curvature assay

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#Question id: 29453

#Unit 6. System Physiology – Plant

Which of the following technique will be most effective for IAA concentrations of about 0.02 to 0.2 mg L–1

TLS Online TPP Program

#Question id: 29454

#Unit 6. System Physiology – Plant

Identify A, B and C in auxin synthesis

a. Tryptophan (Trp)----------A-------------→ Indole-3-pyruvic acid 

b. (IPA) -----------B------------→ Indole-3-acetaldehyde (IAld)

c. Indole-3-acetaldehyde (IAld) ------------C-----------→ I3AA