TLS Online TPP Program

#Question id: 8685


Which of the following would be most useful in creating a phylogenetic tree of a taxon?

#SCPH05 I Biotechnology
  1. morphological data from fossil and living species
  2. a knowledge of color patterns in fossil and living species
  3. a knowledge of mutation rates in modern species
  4. morphological data from fossil species
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TLS Online TPP Program

#Question id: 7314

#SCPH28 | Zoology

With reference to plant flowering pattern; match the terms of Column I with the most appropriate term of Column II. (Se-Sepal; Ca-Carpel; St-stamen; Pe-Petal)

s.no.

Homeotic mutants

(Column 1)

S. No

Flower patterning

(Column 2)

A.     

Apetala2 mutant

                    I.  

Ca-Ca-Ca-Ca

B.      

Agamous /Apetala3 mutant

                    II.    

Se-Pe-Pe-Se

C.      

Agamous mutant

               III. 

Se-Se-Se-Se

D.     

Apetala2/Apetala3 mutant

                IV.

Ca-St-St-Ca

 

TLS Online TPP Program

#Question id: 4129

#SCPH01 Biochemistry

Which of the following statements about the tRNA that normally accepts phenylalanine is false?  (mRNA codons for phenylalanine are UUU and UUC.)

TLS Online TPP Program

#Question id: 15226

#SCPH01 Biochemistry

DNA from Salmonella species, when digested with the restriction enzyme Xba I, gives around 15 fragments ranging from 25 kb to 680 kb This pattern of fragments, or ‘fingerprint’, is unique to that strain. If the same fingerprint is found from bacteria from other infected people, then it can be assumed that they were all infected from a common source. Thus, by comparing their eating habits, food sources, etc. the source of the infection can be traced to a restaurant, food item. The fingerprints are created and analysed by

TLS Online TPP Program

#Question id: 848

#SCPH06 I Botany

Which of the brain diseases is not caused by the misfolding of brain proteins in mammals

TLS Online TPP Program

#Question id: 18703

#SCPH01 Biochemistry

If the weight of 1 mol bp is 660g What will the no. of moles in 4 х 106 bp