MTTC MTTC Biology 5

Question 1

Which of the following is an example of a density-dependent limiting factor on a population?

Accepted Answer

Competition for food resources

Answer

Density-dependent factors like intraspecific competition intensify as population density increases, regulating population growth.

Question 2

During which stage of embryonic development does gastrulation produce the three primary germ layers?

Accepted Answer

Gastrula

Answer

Gastrulation transforms the blastula into a gastrula, forming the three germ layers: ectoderm, mesoderm, and endoderm.

Question 3

A biome characterized by permafrost, very low precipitation, and dominated by mosses and lichens is:

Accepted Answer

Tundra

Answer

The tundra biome has permanently frozen subsoil (permafrost), extremely low precipitation, and supports only cold-adapted vegetation like mosses, lichens, and grasses.

Question 4

Which type of symbiosis benefits one organism while the other is neither harmed nor helped?

Accepted Answer

Commensalism

Answer

In commensalism, one organism benefits and the other is unaffected; an example is barnacles attaching to a whale.

Question 5

Which structure connects a muscle to a bone?

Accepted Answer

Tendon

Answer

Tendons are dense connective tissue that attach skeletal muscles to bones, transmitting the force of muscle contraction to move the skeleton.

MTTC Test Practice Test

MTTC Test Practice Test

MTTC MTTC Biology 5