Practice Questions

TLS Online TPP Program

#Question id: 9181

Turnover of water in temperate lakes during the spring and fall is caused by which of the following?

#SCPH28 | Zoology

warm, less dense water layered at the top
cold, more dense water layered at the bottom
a distinct thermocline between less dense, warm water and cold, dense water
the changes in the density of water as seasonal temperatures change

More Questions

TLS Online TPP Program

#Question id: 14964

#SCPH05 I Biotechnology

The resistance of the tubercle bacillus to various factors is probably due to its

TLS Online TPP Program

#Question id: 14966

#I Life Science/ Life Sciences Group – I-V

The bacterial cell wall is composed of a macromolecular network called peplidoglycan (also known as murein) which is present either alone or in combination with other substances

TLS Online TPP Program

#Question id: 14966

#SCPH05 I Biotechnology

The bacterial cell wall is composed of a macromolecular network called peplidoglycan (also known as murein) which is present either alone or in combination with other substances

TLS Online TPP Program

#Question id: 15006

#SCPH12 I Genetics

Which of the following is not a mechanism for sex determination?

TLS Online TPP Program

#Question id: 15007

#SCPH12 I Genetics

You set up a cross between true breeding wild type male fruit flies and true breeding female flies with a yellow body color. You notice in the F1 generation that half the flies, specifically all the males, have yellow body color while the females are wild type (gray). Which of the following explanations is the most likely?

TLS Online TPP Program

#Question id: 15008

#SCPH12 I Genetics

You have a white eyed, male fruit fly with vestigial wings and a wild type female known to be heterozygous for both traits. You know that vestigial is located on an autosome. What is the probability that a mating between these two flies will generate a female offspring with vestigial wings and white eyes?