Practice Questions

TLS Online TPP Program

#Question id: 7150

What is the role of semaphorins and Eph ligands in development of the nervous system?

#Unit 5. Developmental Biology

The semaphorins and Eph ligands are growth factors that stimulate cell division of neurons.
The semaphorins and Eph ligands act as signals for the outgrowth of neuronal growth cones; in general, both lead growth cones to turn away.
The semaphorins and Eph ligands act as signals for the outgrowth of neuronal growth cones; in general, both lead growth cones to come toward them.
The semaphorins and Eph ligands are cell-cell adhesion molecules that bind adjacent neurons together.

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TLS Online TPP Program

#Question id: 28065

#Unit 1. Molecules and their Interaction Relevant to Biology

Guanidinium ion and urea are

TLS Online TPP Program

#Question id: 28066

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following parameter is measured during analysis for the Stability of protein by DSC (calorimetry)

TLS Online TPP Program

#Question id: 28067

#Unit 1. Molecules and their Interaction Relevant to Biology

The graph shown below is for Fluorescence emission spectra any protein X, The which of the following assumption can be made

TLS Online TPP Program

#Question id: 28068

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following addition of group represent acetylation?

TLS Online TPP Program

#Question id: 28069

#Unit 6. System Physiology – Plant

Various responses and different set of pigments are involved on different range of wavelength which of the following concerned with 610 nm-700 nm

(a) Color name – Far-red

(b) Photopigments – Chlorophylls & Phytochromes

(c) Responses – Photosynthesis, Photomorphogenesis, Secondary metabolism, Shade avoidance, Photoperiodism

Which of the following is correct

TLS Online TPP Program

#Question id: 28070

#Unit 6. System Physiology – Plant

Water splitting/ oxygen evolution is initiated by presence of