TLS Online TPP Program

#Question id: 5432


which of the following are not feature of polygenic inheritance ?

#Part-A Aptitude & General Biotechnology
  1. single characteristic that is controlled by more than two genes

  2. normally follow a bell-shaped distribution curve

  3. shows continuous variation

  4. only non allelic additive effect

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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: 10886

#Part-B Specialized Branches in Biotechnology

Much greater proportion of energy fixed by autotrophs is transferred to the herbivore level in the open ocean ecosystem than in a forest ecosystem because

TLS Online TPP Program

#Question id: 10887

#Part-B Specialized Branches in Biotechnology

What is a linkage density of community A and B RESPECTIVELY?


TLS Online TPP Program

#Question id: 10888

#Part-B Specialized Branches in Biotechnology

Ecologists have applied the top-down model to improve water quality in polluted lakes showing in picture. This approach, called biomanipulation, attempts to prevent algal blooms and eutrophication by altering the density of organism instead of chemical treatment as following

TLS Online TPP Program

#Question id: 10889

#Part-B Specialized Branches in Biotechnology

Which of the following ecosystem that is lower Productivity/Biomass ratios and energy transfer rates to higher trophic levels are slower 

TLS Online TPP Program

#Question id: 10890

#Part-B Specialized Branches in Biotechnology

What is value of connectance and linkage density in savanna community having 20 actual link and total 10 species present ?