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TLS Online TPP Program

#Question id: 10334

N2 combines with hydrogen to form ammonia under elevated temperature (about 200°C) and high pressure (about 200 atmospheres) and in the presence of a metal catalyst (usually iron). The extreme conditions are required to overcome the high activation energy of the reaction. This nitrogen fixation reaction, called

#Applied Microbiology

  1. Aldol condensation  

  2. Haber–Bosch process
  3. claisen condensation
  4. Asadaheliwell pathway
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TLS Online TPP Program

#Question id: 37893

#Plant Biotechnology

Tracheary element differentiation is considered an irreversible process. What is the primary cytological reason for this? 
TLS Online TPP Program

#Question id: 37894

#Plant Biotechnology

Match the term with the correct definition regarding cell regeneration pathways:

List I (Process)List II (Description)
A. Organogenesis1. Direct formation of embryos from somatic cells
B. Somatic Embryogenesis2. Dedifferentiation → callus → redifferentiation → organs
C. Proliferative Cycle3. Daughter cells are copies of mother, differentiate without division
D. Quantal Cycle4. Daughter cells differ from mother, less likely to differentiate
TLS Online TPP Program

#Question id: 37895

#Plant Biotechnology

Which of the following is identified as the "principal limiting factor" for vascular differentiation in tissue culture? 
TLS Online TPP Program

#Question id: 37896

#Plant Biotechnology

Root culture research was first initiated in 1922 by:
TLS Online TPP Program

#Question id: 37897

#Plant Biotechnology

Increased interest in root cultures during the 1980s was mainly due to:
TLS Online TPP Program

#Question id: 37898

#Plant Biotechnology

Who was the first to induce nucellar embryony in Citrus microcarpa using a modified White’s medium?