Use the following diagram of a hypothetical food web to answer the question. The arrows represent the transfer of energy between the various trophic levels. Which letter represents an organism that could only be a primary consumer and secondary carnivores respectively?

#Question id: 15258

#Part-A Aptitude & General Biotechnology

#Question id: 10570

#Part-B Specialized Branches in Biotechnology

The diffusion coefficient (Ds ) is a characteristic of the substance

a) diffusion in liquid is much faster than diffusion in air

b) larger molecules have smaller diffusion coefficients

c) diffusion in air is much faster than diffusion in a liquid

d) Larger molecules have larger diffusion coefficient

Which of the following combination is correct?

#Question id: 9273

#Part-B Specialized Branches in Biotechnology

In the higher excited state, chlorophyll is extremely unstable; it rapidly gives up some of its energy to the surroundings as heat, and enters the lowest excited state, the excited chlorophyll has four alternative pathways for disposing of its available energy: fluorescence, Heat loss, energy transfer, photochemistry; all process takes place in which wavelength,

#Question id: 18013

#Part-A Aptitude & General Biotechnology

#Question id: 2283

#Part-A Aptitude & General Biotechnology

Most cells are very small. A typical eukaryotic cell, both plant and animal, will occur in which of the following size ranges?