Practice Questions

TLS Online TPP Program

#Question id: 12006

Nitrogen is a major environmental pollutant of groundwater in many parts of the world. What is the major cause of this nitrogen accumulation in groundwater?

#Unit 10. Ecological Principles

Excessive use of nitrogen fertilizers
Destruction of nitrifying bacteria, which results in soil nitrogen remaining as NH+4
Excess soil moisture, which causes ammonification or denitrification
Presence of sandy-textured soil

More Questions

TLS Online TPP Program

#Question id: 4835

#Unit 8. Inheritance Biology

Repulsion and coupling are two faces of

TLS Online TPP Program

#Question id: 4836

#Unit 8. Inheritance Biology

If gene frequency between genes a and c is 2%; b and c is 13%; b and d 4%; a and b 15%; c and d 17 and a and d19%. The sequence of genes in a chromosome is

TLS Online TPP Program

#Question id: 4837

#Unit 8. Inheritance Biology

This is the reason why Mendel did not recognizelinkage phenomenon in his experiments

TLS Online TPP Program

#Question id: 4838

#Unit 8. Inheritance Biology

The linked gene does not follow:

TLS Online TPP Program

#Question id: 4839

#Unit 8. Inheritance Biology

In Drosophila males there is complete linkage. What is the reason behind this?