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TLS Online TPP Program

#Question id: 4992

The existence of the phenomenon of exaptation is most closely associated with which of the following reasons that natural selection cannot fashion perfect organisms?

#Unit 11. Evolution and Behavior

  1. Natural selection and sexual selection can work at cross-purposes to each other.

  2. Evolution is limited by historical constraints.

  3. Adaptations are often compromises.

  4. Chance events affect the evolutionary history of populations in environments that can change unpredictably.

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TLS Online TPP Program

#Question id: 5131

#Unit 5. Developmental Biology

Differentiated cells express the genes and proteins characteristic of their final identity in the adult, and that identity can be altered only under special circumstances. How does the concept of differentiation, as described here, differ from the concept of determination?
TLS Online TPP Program

#Question id: 19335

#Unit 12. Applied Biology

Which one of the following nanotubes cannot be easily twisted?
TLS Online TPP Program

#Question id: 2567

#Unit 2. Cellular Organization

What is a primary function of transcription factors?
TLS Online TPP Program

#Question id: 15733

#Unit 12. Applied Biology

Embryo culture technique is applied to
1. Overcome seed dormancy
2. Prevention of embryo abortion in wide crosses
3. Formation of protoplast
4. Shortening of breeding cycle
Which option has incorrect statement
TLS Online TPP Program

#Question id: 6635

#General Aptitude

Choose the group of letters which is different from others.