TLS Online TPP Program

#Question id: 353


Measurements show that the pH of a particular lake is 4.0. What is the hydrogen ion concentration of the lake?

#SCPH06 I Botany
  1. 4.0 M

  2. 10^-10 M

  3. 10^-4 M

  4. 10^4 M

More Questions
TLS Online TPP Program

#Question id: 10519

#SCPH05 I Biotechnology

Which of the following toxins derived from the fungus Cochliobolus carbonum inhibits specific histone deacetylases in maize?

TLS Online TPP Program

#Question id: 10353

#I Life Science/ Life Sciences Group – I-V

Aminotransferases are found in multiple organelles such as cytoplasm, chloroplasts, mitochondria, glyoxysomes, and peroxisomes, these aminotransferases one of its organelles may have a significant role in amino acid biosynthesis such as;

TLS Online TPP Program

#Question id: 19375

#SCPH06 I Botany

In case of certain endogenous pathways, the activity of a specific enzyme may be rate limiting for the pathway. What could be done to enhance the productivity of the pathway? 

TLS Online TPP Program

#Question id: 11001

#SCPH28 | Zoology

In which phase of the ventricular muscle action potential is the potassium permeability the highest?


TLS Online TPP Program

#Question id: 798

#SCPH05 I Biotechnology

Match the structural properties of DNA with the respective types of DNA in which they are found.

               COLUMN – I                                             COLUMN – II

A.        Pitch per turn of helix                                     1. 45.6 angstrom                   

                                                                                      2. 24.6 angstrom                               

 3. 33.2 angstrom

B.        Helix packing diameter                                 1. 23.7 angstrom            

                                                                                     2. 18.4 angstrom            

3. 25.5 angstrom

C.        Major-groove proportions                            1. Flattened out on helix surface

                                                                                      2. Extremely narrow but very deep

 3. Wide and of intermediate depth

D.        Minor-groove proportions                            1. Very broad but shallow

                                                                                     2. Extremely narrow but very deep

                                                                                    3. Narrow and of intermediate depth