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

#Question id: 23847

#Unit 2. Cellular Organization

#Question id: 3465

#Unit 11. Evolution and Behavior

One species lives only in tree holes; another species lives only in streams.

#Question id: 4009

#Unit 3. Fundamental Processes

If cultured cells are incubated with 14C-min all the rRNAs simultaneously.

#Question id: 5777

#Unit 8. Inheritance Biology

A ____ mutation originates during meiosis while a ____ mutation originates during mitosis.

#Question id: 23038

#Unit 12. Applied Biology