Practice Questions

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#Question id: 370

Which of the following statements is true about buffer solutions?

#SCPH01 Biochemistry

They maintain a constant pH of 7.
They maintain a constant pH when acids are added to them but not when bases are added to them.
They fluctuate in pH when either acids or bases are added to them.
They maintain a relatively constant pH when either acids or bases are added to them.

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TLS Online TPP Program

#Question id: 12102

#SCPH06 I Botany

Use the following diagram of Joseph Connell's study of barnacle distribution in Scotland to answer the following two questions

Which of the following is the most logical conclusion about the distribution of the two species of barnacle, Chthamalus and Balanus?

TLS Online TPP Program

#Question id: 12102

#SCPH28 | Zoology

Use the following diagram of Joseph Connell's study of barnacle distribution in Scotland to answer the following two questions

Which of the following is the most logical conclusion about the distribution of the two species of barnacle, Chthamalus and Balanus?

TLS Online TPP Program

#Question id: 12103

#SCPH06 I Botany

Which of the following is a good description of an ecological niche?

TLS Online TPP Program

#Question id: 12103

#SCPH28 | Zoology

Which of the following is a good description of an ecological niche?

TLS Online TPP Program

#Question id: 12104

#SCPH28 | Zoology

Two barnacles, Balanus and Chthamalus, can both survive on the lower rocks just above the low-tide line on the Scottish coast, but only Balanus actually does so, with Chthamalus adopting a higher zone. Which of the following best accounts for this niche separation?

TLS Online TPP Program

#Question id: 12105

#SCPH28 | Zoology

A species of fish is found to require a certain water temperature, a particular oxygen content of the water, a particular depth, a rocky substrate on the bottom, and a variety of nutrients in the form of microscopic plants and animals to thrive. These requirements describe its