Practice Questions

TLS Online TPP Program

#Question id: 12315

In the evolution of whelk- eating behavior in crows, which of the following did natural selection minimize?

#Unit 10. Ecological Principles

The average number of drops required to break the shell
The average height a bird flew to drop a shell
The average total energy used to break shells
The average size of the shells dropped by the birds

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TLS Online TPP Program

#Question id: 24169

#General Aptitude

A fireplace should be lined with special fire bricks to prevent heat transfer.

TLS Online TPP Program

#Question id: 23768

#Unit 7. System Physiology – Animal

Which of the following cells function as photoreceptors?

TLS Online TPP Program

#Question id: 12671

#Unit 6. System Physiology – Plant

When genetic changes in an entire plant population have been fixed over many generations by selective environmental pressure, those changes are referred to as,

TLS Online TPP Program

#Question id: 13156

#Unit 2. Cellular Organization

Tay sach;s disease are caused when which enzyme is mutated or non-functional?

TLS Online TPP Program

#Question id: 8689

#Unit 9. Diversity of Life Forms

Which of the following statements best describes the rationale for applying the principle of maximum parsimony in constructing phylogenetic trees?