Practice Questions

TLS Online TPP Program

#Question id: 4618

Which of the following observations helped Darwin shape his concept of descent with modification?

#Unit 11. Evolution and Behavior

Species diversity declines farther from the equator.
Fewer species live on islands than on the nearest continents.
Birds live on islands located farther from the mainland than the birds' maximum nonstop flight distance.
South American temperate plants are more similar to the tropical plants of South America than to the temperate plants of Europe.

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TLS Online TPP Program

#Question id: 27036

#Unit 10. Ecological Principles

Mafia hypothesis based on

a) Taking food by theft

b) destroying all eggs of their host’s nests

c) Changing color of host making more susceptible to being eaten

TLS Online TPP Program

#Question id: 3510

#Unit 8. Inheritance Biology

Assume that the trihybrid cross AA BB RR X aa bb rr is made in a plant species in. What proportion of F2 progeny would be expected to be homozygous for all three genes when independently assort?

TLS Online TPP Program

#Question id: 24653

#Unit 2. Cellular Organization

Which of the following membrane protein form channel, in the form of gap junctions between cells?

TLS Online TPP Program

#Question id: 9236

#Unit 9. Diversity of Life Forms

Which of the following outcomes is caused by excessive nutrient runoff into aquatic ecosystems?

TLS Online TPP Program

#Question id: 10695

#Unit 10. Ecological Principles

Consumer (+) and resource (-) interactions classified by the two factor