CLEP Biology Plant Reproduction and Structure 4

Question 1

Which of the following describes a self-incompatibility mechanism in flowering plants?

Accepted Answer

A genetic system that prevents fertilization by pollen from the same plant

Answer

Self-incompatibility is a genetically controlled mechanism that prevents self-fertilization, promoting outbreeding and genetic diversity.

Question 2

The ripened ovary wall in a fruit is called the:

Accepted Answer

Pericarp

Answer

The pericarp is the entire ripened ovary wall, which may be differentiated into epicarp (skin), mesocarp (flesh), and endocarp (pit).

Question 3

A tomato is botanically classified as which type of fruit?

Accepted Answer

Berry

Answer

Botanically, a tomato is a berry because it is a fleshy fruit with a soft pericarp and multiple seeds derived from a single ovary.

Question 4

Which plant structure is responsible for vegetative reproduction in strawberries?

Accepted Answer

Stolons (runners)

Answer

Strawberries reproduce vegetatively via stolons (runners), which are horizontal stems that touch the ground and produce new plants at nodes.

Question 5

Apomixis in plants refers to:

Accepted Answer

Seed production without fertilization

Answer

Apomixis is the production of seeds without fertilization, resulting in offspring genetically identical to the mother plant.

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