TLS Online TPP Program

#Question id: 11975


A 30-year-old woman is breast-feeding her infant. During suckling, which of the following hormonal responses is expected?

#Unit 7. System Physiology – Animal
  1. Increased secretion of antidiuretic hormone (ADH) from the supraoptic nuclei
  2. Increased secretion of ADH from the paraventricular nuclei
  3. Increased secretion of oxytocin from the paraventricular nuclei
  4. Decreased secretion of neurophysin
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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

TLS Online TPP Program

#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

TLS Online TPP Program

#Question id: 29455

#Unit 6. System Physiology – Plant

which of the following auxin derivates compound that provide broad‐spectrum control of fungal pathogens

TLS Online TPP Program

#Question id: 29456

#Unit 6. System Physiology – Plant

In maize kernels, IAA also appears to be synthesized by a tryptophan independent pathway via

TLS Online TPP Program

#Question id: 29457

#Unit 6. System Physiology – Plant

Covalent conjugation of amino acids to IAA can also result in permanent inactivation (storage or degradation), here certain combination is given (∧ shows conjugation)
a. IAA ∧ myo-inositol/Gluc/Ala/Leu/Me ---Reversible (storage)
b. IAA ∧ myo-inositol/Gluc/Ala/Leu/Me ---irreversible (degradation)
c. IAA ∧ oxIAA/GH3-Asp-Glu/3-Methyleneoxidole ---Reversible (storage)
d. IAA ∧ oxIAA/ GH3-Asp-Glu/3-Methyleneoxidole---irreversible (degradation)

Which of the following is correctly paired