The body weight of offspring of bird species is range between 12 gm to 18 gm. In a laboratory experiment, species was subjected to selection pressure having influence on the offspring body weight. After many generations of experimental selection pressure, the body weight range between 16 gm to 24 gm. Which of the following natural selection operate on this species?

#Question id: 19688

#Part-B Specialized Branches in Biotechnology

#Question id: 374

#Part-A Aptitude & General Biotechnology

The pH of a sample of blood is 7.4, while gastric juice is pH 1.4.  The blood sample has:

#Question id: 10772

#Part-B Specialized Branches in Biotechnology

#Question id: 903

#Part-B Specialized Branches in Biotechnology

Proteins segments which fold first can promote the folding of other sections of the protein into the native conformation by a process known as

#Question id: 11271

#Part-B Specialized Branches in Biotechnology

Autotrophs in the aquatic ecosystem, unlike their counterparts in the terrestrial ecosystem are mostly microscopic and very low in indigestible (to the herbivores) matter. Following some observation are given? 

A) Tropic level transfer efficiency is greater in aquatic ecosystem than terrestrial ecosystem  

B) Tropical forest herbivores have higher consumption efficiencies than grassland herbivores

C) Flow of energy and nutrient is rapidly in aquatic ecosystem than terrestrial

D) Production efficiency of higher tropic level is greater than lower tropic level