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TLS Online TPP Program

#Question id: 12344

The concept of punctuated equilibrium refers to

#Unit 10. Ecological Principles
  1. Oscillating ecological successional stages
  2. Ecological succession arrested by sudden environmental changes, e.g., fire
  3. Persistent predator-prey relationships in relatively stable environments
  4. Bursts of speciation followed by relatively unchanging lineages
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TLS Online TPP Program

#Question id: 19280

#Unit 9. Diversity of Life Forms

In which of the following taxa does the mature sporophyte depend completely on the gametophyte for nutrition? 
TLS Online TPP Program

#Question id: 23588

#Unit 13. Methods in Biology

Bacterial artificial chromosomes (BACs) require ________ in order to successfully enter into bacterial cells.
TLS Online TPP Program

#Question id: 19075

#Unit 6. System Physiology – Plant

Which of the following is the incorrect about effector trigger immunity?
TLS Online TPP Program

#Question id: 23895

#Unit 13. Methods in Biology

Which technique separates nucleic acids (DNA and RNA) by molecular weight?
TLS Online TPP Program

#Question id: 5358

#Unit 8. Inheritance Biology

In the following pedigree, individuals with shaded show presence of a recessive autosomal trait. If all individual is coming from outside the family is homozygous for normal. The calculated risk of occurrence of this trait for (?) individual is