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TLS Online TPP Program

#Question id: 11284

Which of the following could qualify as a top-down control on a grassland community?

#Part-B Specialized Branches in Biotechnology

  1. limitation of plant biomass by rainfall amount

  2. influence of temperature on competition among plants
  3. influence of soil nutrients on the abundance of grasses versus wildflowers
  4. effect of grazing intensity by bison on plant species diversity
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TLS Online TPP Program

#Question id: 12815

#Part-A Aptitude & General Biotechnology

There is a rectangular tank of length 180 m and breadth 120m in a circular field. If the area of the land portion of the field is 40000 m2, what is the radius of the field ?  
TLS Online TPP Program

#Question id: 3855

#Part-A Aptitude & General Biotechnology

In eukaryotes, which of the following modifications is made to a primary transcript prior to its transport out of the nucleus?
TLS Online TPP Program

#Question id: 10885

#Part-B Specialized Branches in Biotechnology

In a field experiment, autotrophs are provided a 14C-labelled carbon compound for photosynthesis. Radioactivity (14C) levels were then monitored at regular intervals in all the trophic levels. In which ecosystem is the radioactivity likely to be detected in longer time at the higher trophic level?
TLS Online TPP Program

#Question id: 1761

#Part-A Aptitude & General Biotechnology

Which of the following statements is TRUE of cytokines?
TLS Online TPP Program

#Question id: 773

#Part-A Aptitude & General Biotechnology

Which of the following describes the function of an enzyme known as Dicer?