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?

#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: 775

#1. Molecules and their Interaction Relevant to Biology

The formation of microRNA is to:

#Question id: 11565

#7. System Physiology – Animal

Portal blood vessels connect two capillary beds found in the ________.

#Question id: 6968

#5. Developmental Biology

In Xenopus, the mesoderm moves in through the blastopore by rolling around the dorsal lip in a process called:

#Question id: 5024

#11. Evolution and Behavior

Which statement is most consistent with the hypothesis that the Cambrian explosion was caused by the rise of predator-prey relationships?

#Question id: 23470

#Aptitude