TLS Online TPP Program

#Question id: 39545


Assertion (A): Osmotic pressure is preferred for determining molecular weight of biomolecules.

Reason (R): Osmotic pressure can be measured at room temperature.

#Biochemistry
  1. Both A and R are true and R is the correct explanation
  2. Both A and R are true but R is not the correct explanation
  3. A is true but R is false
  4.  A is false but R is true
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TLS Online TPP Program

#Question id: 4716

#Zoology

Which of the following is correct match?

AWallaceI Changes in allele frequency due to random genetic drift
BSewall WrightII Evolution by natural selection
CCarl WoeseIII hybrid sterility
DHaldane's ruleIV DNA sequencing led to molecular phylogenetics

TLS Online TPP Program

#Question id: 4724

#Applied Microbiology

Which of the following are true about crossing over ?

TLS Online TPP Program

#Question id: 4727

#Applied Microbiology

if mendal had studied the seven trait using a plant with 12 chromosome instead of 14, in what manner would his interpretation have been different ?

TLS Online TPP Program

#Question id: 4729

#Applied Microbiology

In the following example, 3 independently assorting genes A, B and C are known to govern coat color in mice. Homozygous recessive cc (albino phenotype) is epistatic over both gene A and B, What will be the expected frequency of non albino, in the progeny from cross of AaBbCc with genotype of AABbCc?

TLS Online TPP Program

#Question id: 4730

#Applied Microbiology

Cross is made between a pure breeding plant having red coloured male flowers with a pure breeding plant having white colored female flowers. All of these offspring are white colored flower. Upon selfing of these F1 red flower plant produced both red and white flower. Which of the following is conclusion of these cross?

TLS Online TPP Program

#Question id: 4732

#Applied Microbiology

What is F2 phenotype ratio observed when a homozygous recessive mutation in either or both of two different genes results in the same mutant phenotype?