Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 16664
TLS Online TPP Program

#Question id: 9604

The various taxonomic levels (viz, genera, classes, etc.) of the hierarchical classification system differ from each other on the basis of

#XL - S Microbiology
  1. how widely the organisms assigned to each are distributed throughout the environment.
  2. the body sizes of the organisms assigned to each.
  3. their inclusiveness.
  4. the relative genome sizes of the organisms assigned to each.
More Questions
TLS Online TPP Program

#Question id: 4571

#XL - S Microbiology

Evolutionary trees such as this are properly understood by scientists to be
TLS Online TPP Program

#Question id: 11812

#XL - R Botany

The  nitrogens  at the 3, 7, and 9 positions of the adenine ring of cytokinins can be conjugated to glucose residues, Alanine can also be conjugated to the nitrogen at the 9 positon, forming
TLS Online TPP Program

#Question id: 10824

#XL - T Zoology

Interspecific competition has been demonstrated experimentally in
TLS Online TPP Program

#Question id: 4620

#XL - S Microbiology

The upper forelimbs of humans and bats have fairly similar skeletal structures, whereas the corresponding bones in whales have very different shapes and proportions. However, genetic data suggest that all three kinds of organisms diverged from a common ancestor at about the same time. Which of the following is the most likely explanation for these data?
TLS Online TPP Program

#Question id: 20102

#XL - P Chemistry

The enthalpy change for a given reaction at 298 K is – x J mol–1 (x being positive). If the reaction occurs spontaneously at 298 K, the entropy change at that temperature