TLS Online TPP Program

#Question id: 14797


A culture of bacteria is infected in the bacteriophage at multiplicity of 0.3. The probability of a single cell infected with three phages is? 

#Part-A Aptitude & General Biotechnology
  1. 0.9
  2. 0.27
  3. .009
  4. 0.027 
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TLS Online TPP Program

#Question id: 10363

#Part-B Specialized Branches in Biotechnology

Free living nitrogen fixing takes place as shown in the following;

             TYPE                                                                                       N-FIXING GENERA

A) Cyanobacteria (blue-green algae)                                        i) Bacillus

B) Aerobic                                                                                     ii) Clostridium

C) Facultative                                                                              iii) Anabaena

D) Anaerobic nonphotosynthetic                                            iv) Rhodospirillum

E) Anaerobic photosynthetic                                                     v) Azospirillum

 Which of the following combination of free living nitrogen fixing bacteria is correct?

TLS Online TPP Program

#Question id: 10364

#Part-B Specialized Branches in Biotechnology

Which of the following is the most common type of symbiosis occurs between members of the plant family and soil bacteria?

TLS Online TPP Program

#Question id: 10385

#Part-B Specialized Branches in Biotechnology

The leaves of many species are able to bend toward the sun during its progress across the sky, a phenomenon known as

TLS Online TPP Program

#Question id: 10386

#Part-B Specialized Branches in Biotechnology

 During light-regulated plant development many seeds require light to germinate, a process called

TLS Online TPP Program

#Question id: 10387

#Part-B Specialized Branches in Biotechnology

Action spectrum stimulated phototropism in oat coleoptiles. The “three finger” pattern in the 400–500 nm region is characteristic of-

TLS Online TPP Program

#Question id: 10388

#Part-B Specialized Branches in Biotechnology

Phytochrome can interconvert between Pr and Pfr forms, Pr receives red light and converts into Pfr while Pfr receives far-red light and then converts into Pr, so which form of phytochrome is responsible for seed germinations?