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TLS Online TPP Program

#Question id: 7289

The following scheme shows the flowering status of a plant species and the photoperiodism. Which of the following conclusions is most appropriate?

#XL - R Botany
  1. The species is a short day plant; length of the dark phase determines flowering status.
  2. The species is a long day plant; length of the dark phase determines flowering status.
  3. The species is a short day plant; length of the light phase determines flowering status.
  4. The species is a long day plant; length of the light phase determines flowering status.
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TLS Online TPP Program

#Question id: 5250

#XL - S Microbiology

A researcher would like to map the location of galE and trpA genes in a new species of bacterium that appears to be closely related to E. coli. He decides to use cotransduction, and generatesnappropriate donor and recipient strains. He is disappointed when cotransduction is not seen in his experiement. What is the most reasonable explanation for this situation?
TLS Online TPP Program

#Question id: 11525

#XL - R Botany

Coleoptiles are very sensitive to light, especially
TLS Online TPP Program

#Question id: 9618

#XL - R Botany

Generally, within a lineage, the largest number of shared derived characters should be found among two organisms that are members of the same
TLS Online TPP Program

#Question id: 20103

#XL - P Chemistry

Spontaneous adsorption of a gas on a solid surface is exothermic process because
TLS Online TPP Program

#Question id: 15859

#XL - S Microbiology

The continuously growing callus cultures were established from___