Angiosperms Are Unique in Having Double Fertilization That Forms Endosperm

question 23

Multiple Choice

Angiosperms are unique in having double fertilization that forms endosperm.What is true about double fertilization in angiosperms?

• A)One pollen grain combines with the egg to form the zygote,and one pollen grain combines with the polar nuclei to form endosperm.Two sperm combine with a polar nucleus to form endosperm.
• B)Two pollen grains combine with two ovules to form the zygote and endosperm.
• C)One sperm combines with the polar nuclei to form the zygote,and one sperm combines with the egg to form endosperm.
• D)One sperm combines with the egg to form the zygote,and one sperm combines with the polar nuclei to form endosperm.

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Definitions:

Economic

Relating to the system of production, distribution, and consumption of goods and services in a society, and the study of how scarce resources are allocated.

Biomass

The total mass of all living organisms in a given area or volume; it can also refer to plant or animal matter used as fuel.

Clear-cut

A forestry or logging practice where all trees in an area are uniformly cut down, often used for timber production but criticized for environmental impact.

Acid Soils

Soils with a pH level below 7, often resulting from heavy rainfall, certain parent material, or anthropogenic sources, which can affect plant growth and soil biology.