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TLS Online TPP Program

#Question id: 4724

Which of the following are true about crossing over ?

#SCPH01 Biochemistry

  1. crossing over lead to homologous chromosome become identical

  2. crossing over lead to non-sister chromosome become identical

  3. crossing over lead to sister chromosome become identical

  4. crossing over lead to sister chromosome become non-identical

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TLS Online TPP Program

#Question id: 4756

#SCPH01 Biochemistry

In summer squash, white colour fruit (W) is dominant over yellow colour (w) and disc-shaped phenotype (D) is dominant over sphere-shaped phenotype (d). Determine the genotype of the parents gives 3/8 white, sphere, 3/8 white, Disk, 1/8 Yellow, Disk and 1/8 Yellow, Sphere?
TLS Online TPP Program

#Question id: 14292

#SCPH05 I Biotechnology

Consider the scale up of a fermentation from a 10L to 10000L while maintaining geometric similarity. Agitation speed was maintained at 500 rpm in the 10L fermenter. If scale up is done based on constant tip speed, then the agitation speed in the larger reactor should be 
rpm. 
TLS Online TPP Program

#Question id: 1765

#SCPH05 I Biotechnology

Low amounts of antigen:
TLS Online TPP Program

#Question id: 3859

#SCPH06 I Botany

Polyadenylation is:
TLS Online TPP Program

#Question id: 18386

#SCPH05 I Biotechnology

Biomagnification occurs mainly because of the following reasons
I. compounds are taken up from the environment and accumulated in the lipid deposits of body
II. organisms are consumed by other organisms in a non- sequential manner constituting the food chain
Which of the above statements are incorrect?