TLS Online TPP Program

#Question id: 12089


The massive adaptive radiation of insects over the world is most likely related to the

#Unit 10. Ecological Principles
  1. Worldwide increase in species diversity in the Cambrian period 
  2. Evolution of the land flora by the middle of the Palaeozoic era 
  3. Massive extinction at the end of the Mesozoic era
  4. Human alteration of the environment in the Pleistocene epoch

More Questions
TLS Online TPP Program

#Question id: 5652

#Unit 5. Developmental Biology

What generalization can be applied to the pole plasm of Drosophila, the P-granules of C. elegans, the yolk-free vegetal cytoplasm of Xenopus, and the localized mRNA for vasa in zebrafish?

TLS Online TPP Program

#Question id: 862

#Unit 1. Molecules and their Interaction Relevant to Biology

Match the following

lysosomal protein degradation pathways

         Found in

1. Nonselective

a-well-nourished cells

i-containing the pentapeptide Lys-Phe-Glu-Arg-Gln

2- Selective

b-starving cells

TLS Online TPP Program

#Question id: 12200

#Unit 6. System Physiology – Plant

Given some observation of the auxin signalling pathway, which one of the following are the incorrect prediction about signalling?

TLS Online TPP Program

#Question id: 11627

#Unit 8. Inheritance Biology

The interaction of two loci that determine fruit color in summer squash, which is commonly found in one of three colors: yellow, white, or green. When a homozygous plant that produces white squash is crossed with a homozygous plant that produces green squash and the F1 plants are crossed with each other, the following results are obtained:

 12/16 plants with white squash

 3 /16 plants with yellow squash

 1 /16 plants with green squash

 This is the case of___

TLS Online TPP Program

#Question id: 18073

#Unit 11. Evolution and Behavior

During which geological period was there an first definite evidence of land plants and algae dominant of many plants?