Practice Questions

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

#Unit 6. System Physiology – Plant

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#Question id: 11138

#Unit 7. System Physiology – Animal

The point of connection between two communicating neurons is called the ________.

#Question id: 815

#Unit 1. Molecules and their Interaction Relevant to Biology

The cis conformation shows Cα atoms are on the same side of the peptide bond, is ∼8 kJ mol−1 less stable than the trans conformation. Why?

#Question id: 12953

#Unit 7. System Physiology – Animal

#Question id: 5057

#Unit 5. Developmental Biology

The major factor which is important in providing the competence for the ectoderm to respond to the inducers from the optic cup-

#Question id: 9209

#Unit 9. Diversity of Life Forms

Introduced species can have deleterious effects on biological communities by ________.