TLS Online TPP Program

#Question id: 20972


Which of the following is not a characteristic of the immobilized enzymes?

#Unit 12. Applied Biology
  1. They cannot be re-used
  2. It produces reproducible results
  3. Stability exists
  4. Same catalytic activity is present for number of analysis
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TLS Online TPP Program

#Question id: 23731

#Unit 8. Inheritance Biology

Which one of the following statements is INCORRECT?

TLS Online TPP Program

#Question id: 23732

#Unit 8. Inheritance Biology

According to this figure, which of the following statements is correct;
                 
a) The genotype affects plant weight, but the environmental conditions determine which genotype produces the heavier plant.
b) The environmental conditions affects plant weight, but the alleles determine which type of genotype produces the heavier plant.
c) It shows the Genetic–environmental interaction variance
d) It shows only environmental variance (Ve)

TLS Online TPP Program

#Question id: 23733

#Unit 8. Inheritance Biology

Phenotypic variation is analyzed for milk production in a herd of dairy cattle and the following variance components are obtained: Additive genetic variance= 0.4, Dominance genetic variance= 0.1, Genic interaction variance= 0.2, Environmental variance= 0.5, Genetic−environmental interaction variance= 0.0,  the heritability (H2) of milk production is___

TLS Online TPP Program

#Question id: 23734

#Unit 8. Inheritance Biology

The narrow-sense heritability of ear length in Reno rabbits is 0.4. The phenotypic variance (VP) is 0.8, and the environmental variance (VE) is 0.2. What is the additive genetic variance (VA) for ear length in these rabbits?

TLS Online TPP Program

#Question id: 23735

#Unit 8. Inheritance Biology

Phenotypic variation that is due to genetic differences is referred to as heritability. It can be the Broad-sense heritability and Narrow-sense heritability, the Broad-sense heritability which is ranges from 0 to 1. Identify the correct prediction about these ranges?
a) 0 is all of the phenotypic variance results from differences in genotype
b) 0 is all of the phenotypic variance results from environmental variation
c) 1 is all of the phenotypic variance results from differences in genotype
d) 1 is all of the phenotypic variance results from environmental variation

TLS Online TPP Program

#Question id: 23285

#Unit 8. Inheritance Biology

Chromosome are classified into four basic term, 

 

          Chromosome      

 

 

A) Metacentric chromosome

 

i) centromeres present at the end of the chromosome

 

B) Submetacentric chromosome

 

ii) chromomere near the end of the chromosomes

 

C) Acrocentric chromosome

 

iii) Centromere in the middle of the chromosome and divides the chromosome into two equal arms.

 

D) Telocentric chromosome

 

iv) The centromere is present near the middle and divides the chromosome into two unequal arms