Entrepreneurs Attempted, but Failed, to Harvest Nuts from Plantations Grown

question 100

Multiple Choice

Entrepreneurs attempted, but failed, to harvest nuts from plantations grown in Southeast Asia. Attempts to grow Brazil nut trees in South American plantations also failed. In both cases, the trees grew vigorously, produced healthy flowers in profusion, but set no fruit. Consequently, what is the likely source of the problem?

• A) poor sporophyte viability
• B) poor sporophyte fertility
• C) failure to produce fertile ovules
• D) failure to produce pollen
• E) pollination failure

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Definitions:

Thymosin

A hormone secreted by the thymus gland, involved in the maturation of T cells, which are critical to the adaptive immune response.

Immune System

A complex network of cells, tissues, and organs that work together to defend the body against infections, diseases, and foreign substances.

ACTH

or Adrenocorticotropic hormone is a hormone produced in the pituitary gland that stimulates the production of cortisol in the adrenal gland.

Adrenal Cortex Secretions

Hormones produced by the outer layer of the adrenal gland, including cortisol and aldosterone, which regulate metabolism, blood pressure, and stress responses.