Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 45274
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

#SCPH06 I Botany

  1. Aldol condensation  

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

#Question id: 14159

#SCPH01 Biochemistry

Which of the following statement is not a benefit of FASTA over BLAST?
TLS Online TPP Program

#Question id: 17085

#SCPH01 Biochemistry

Spontaneous cell fusion occurs at a very low rate. Enhanced fusion can be done by 
1. Sendai virus 
2. Polyethylene glycol
3. Ficol
4. Phenol red
Which of the above mentioned can be used for fusion experiments?
TLS Online TPP Program

#Question id: 4942

#SCPH06 I Botany

Which of the following has not yet been synthesized in laboratory experiments studying the origin of life?
TLS Online TPP Program

#Question id: 6958

#SCPH06 I Botany

Vg-1 and wnt are used in both frogs and chicks to establish a body axis, although in chicks this is the antero-posterior axis instead of the dorso-ventral axis. What is the region of the chick embryo that is thus analogous to the Nieuwkoop center?
TLS Online TPP Program

#Question id: 5070

#SCPH01 Biochemistry

During juxtacrine pathway, notch protein is activated by the neighbouring cells which expresses: