Question

Dermal cells are present in
A) Anura
B) Urodela
C) Labyrinthodontia
D) Gymnophiona

Answer 1

Hint: Dermis the layer under the epidermis is composed of fibroblasts and makes an extreme, steady cell grid for the skin. It is composed of two layers, a flimsy papillary layer connected to the epidermis with meager approximately organized collagen strands and a thick reticular layer containing packs of collagen reaches out from the base of the papillary layer to the hypodermis. Dermal fibroblasts produce collagen filaments; basic proteoglycan and elastin which install macrophages and resistant able pole cells, 70% of the dermis is developed by collagen protein which keeps up skin sturdiness and quality.

Complete answer: Let us see each option one by one,
Anura: A frog is any individual from a different and to a great extent rapacious gathering of short-bodied, tailless creatures of land and water forming the request Anura. The most established fossil "proto-frog" showed up in the early Triassic of Madagascar, yet atomic clock dating recommends their roots may stretch out further back to the Permian, 265 million years prior.
Urodela: Lizards are a gathering of creatures of land and water regularly portrayed by a reptile-like appearance, with thin bodies, obtuse noses, short appendages anticipating at right points to the body, and the presence of a tail in both hatchlings and grown-ups. All present-day lizard families are gathered under the request of Urodela. Lizard variety is most elevated in the Northern Hemisphere and most species are found in the Holarctic domain, with certain species present in the Neotropical domain.
Labyrinthodontia: Labyrinthodontia (Greek, "labyrinth toothed") is a terminated land and water proficient subclass, which comprised a portion of the predominant creatures of late Paleozoic and early Mesozoic times (around 390 to 150 million years prior). The gathering developed from flap finned fishes in the Devonian and is familiar to all surviving land-living vertebrates.
Gymnophiona: The dermal sizes of Gymnophiona present a few analogies with those of advanced hard fishes. Their attributes could make them a unique model for the investigation of mineralization. Gymnophiona, likewise called apoda, is one of the three significant surviving requests of the class amphibia. Its individuals are known as caecilians. Their skin is smooth yet a few animal groups have bright skins. Inside the skin are calcite scales. As a result of these scales, the caecilians were once thought to be identified with the fossil Stegocephalia.
Thus, the answer is optical D: Gymnophiona

Note: As is regular with different creatures of land and water, earthly caecilians have all the earmarks of being uricotelic and sea-going caecilians ammonotelic. Many species have a bilobate bladder. A renal entrance framework is accepted to exist. Caecilian motion differs with species and substrate, yet all species examined may use concertina movement. Hydrostatic weight produced between the skin and the muscle layer is significant for tunneling the meager reptile-like land-living tunneling.