Rhizobacteria function as

 a) Nitrogen fixation

 b) depositing pathogens directly into the vascular system,

 c) producing antibiotics and antifungal agents for inhibiting soil pathogens

 d) herbivore sensors by sending electrical or chemical signals to surrounding cells

 Which one of the following combination is correct?

TLS Online TPP Program

#Question id: 12488

#Part-A Aptitude & General Biotechnology

Retinoblastoma usually occurs as a sporadic event but in around 10% of cases there is a positive family history due to autosomal dominant inheritance. In these families the penetrance is approximately 80% (= 0.8). A woman with retinoblastoma, whose father and grandfather were also affected, has an unaffected partner with no relevant family history. Which of the following is correct regarding their children?

TLS Online TPP Program

#Question id: 5730

#Part-B Specialized Branches in Biotechnology

In a family, father is homozygous dominant (AA) for a gene A and his wife is homozygous for its ressive allele (aa) showing albino phenotype. It was surprising that their child showed the albino phenotype. Which of the following phenomenon can explain the phenotype?

TLS Online TPP Program

#Question id: 18882

#Part-A Aptitude & General Biotechnology

The resolving power of a microscope is determined by-

TLS Online TPP Program

#Question id: 5697

#Part-A Aptitude & General Biotechnology

Individual with pericentric inversion produce gametes that receive the recombinant chromosomes cannot produce viable progeny because

TLS Online TPP Program

#Question id: 343

#Part-B Specialized Branches in Biotechnology

Assume that acid rain has lowered the pH of a particular lake to pH 5.0. What is the hydroxide ion concentration of this lake?