Two other major groups of flavonoids found in flowers and leaves of all green plants. The function of these two flavonoids in plants are____

a) protect plants against being eaten by herbivores and against being infected by microbial pathogens

b) Protect cells from excessive UV-B radiation (280–320 nm) because they accumulate in the epidermal layers of leaves and stems and absorb light strongly in the UV-B region       

c) flavones and flavonols secreted into the soil by legume roots mediate the interaction of legumes and nitrogen-fixing symbionts

d) They are are coloured terpenoid compounds that also serve as accessory pigments in photosynthesis    

Which of the following combination from the above statements is correct?

TLS Online TPP Program

#Question id: 15261

#Section 6: Plant, Animal and Microbial Biotechnology

Lactose and neutral red dye are used in MacConkey agar. This type of media is an example of 

TLS Online TPP Program

#Question id: 15262

#Section 6: Plant, Animal and Microbial Biotechnology

A media which makes easier to distinguish colonies of the desired organism from other colonies growing on the same plate.

TLS Online TPP Program

#Question id: 15263

#Section 6: Plant, Animal and Microbial Biotechnology

Pure colonies also can be obtained from

TLS Online TPP Program

#Question id: 15264

#Section 6: Plant, Animal and Microbial Biotechnology

What chemical can be used to deplete the oxygen present in the culture medium

TLS Online TPP Program

#Question id: 15265

#Section 6: Plant, Animal and Microbial Biotechnology

The growth of microorganisms in a food product is influenced by the availability of

TLS Online TPP Program

#Question id: 15310

#Section 6: Plant, Animal and Microbial Biotechnology

Organisms such as Escherichia, Enterococcus, Saccharomyces cerevisiae does not require O2 for growth, but grows better in its presence. Such organisms are termed as