Question

Which of the following structures is incorrectly paired with its function?

• A. Gonads-gamete-producing organs
• B. Spermatheca-sperm-transferrring organ found in male insects
• C. Cloaca-commori opening for reproductive, excretory, and digestive systems
• D. Endometrium-lining of the uterus, forms maternal part of placenta

Answer 1

The correct option is B Spermatheca-sperm-transferrring organ found in male insects

Gonads- A gonad, sex gland, or reproductive gland is a mixed gland that produces the gametes (sex cells) and sex hormones of an organism. In the female of the species the reproductive cells are the egg cells, and in the male, the reproductive cells are the sperm.

Spermatheca- The spermatheca is an organ of the female reproductive tract in insects. Its purpose is to receive and store sperm from the male or, in the case of hermaphrodites, the male component of the body.

Cloaca- In animal anatomy, a cloaca is a posterior orifice that serves as the only opening for the digestive, reproductive, and urinary tracts (if present) of many vertebrate animals, opening at the vent. All amphibians, birds, reptiles, and a few mammals (monotremes, tenrecs, golden moles, and marsupial moles) have this orifice, from which they excrete both urine and faeces.

Endometrium- The endometrium is the inner epithelial layer, along with its mucous membrane, of the mammalian uterus. It has a basal layer and a functional layer; the functional layer thickens and then is shed during menstruation in humans, as well as some other mammals.

So the correct option is 'spermatheca- sperm-transferring organ found in male insects'.