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: 9175

#Unit 9. Diversity of Life Forms

In deep water, which of the following abiotic factors would most limit primary productivity?

#Question id: 4940

#Unit 11. Evolution and Behavior

In their laboratory simulations of the early Earth, Miller and Urey observed the abiotic synthesis of

#Question id: 16783

#Unit 13. Methods in Biology

#Question id: 566

#Unit 1. Molecules and their Interaction Relevant to Biology

The role of the metal ion (Mg2+) in catalysis by enolase is to

#Question id: 2281

#Unit 2. Cellular Organization

Enzymes embedded in the membrane of the smooth ER