Question

Which type of fish is 'Rohu'?
A.Cartilaginous
B.Bony
C.Semi-bony
D.Semi- Cartilaginous

Answer 1

Hint:
The rohu, rui, or roho labeo (Labeo rohita) is also a species of fish of the carp family, found in rivers in South Asia. its associate degree oversized omnivore and extensively utilised in cultivation.
Examples of bony fishes (Osteichthyes) are salmon, teleostan, sea horse, rohu, trout.

Complete answer:
Rohu is also a fish with a bony skeleton. It's four pairs of gills that are coated by plate on all sides. it's associate degree oversized omnivorous watercourse water fish.
The fish are divided into a pair of classes: ray-finned fish and fish.
The fish are characterized by an internal organ or sac, a cover over the gills, and bones covering the head and pectoral girdles.
Bony fish, any member of the taxon class, a bunch created from the classes Sarcopterygii (lobe-finned fishes) and Actinopterygii (ray-finned fishes) among the Vertebrata, at the side of the great majority of living fishes and almost all the world’s sport and business fishes.
Osteichthyes excludes the bone fishes of the class Agnatha (hagfishes and lampreys) and additionally the cartilaginous fishes constituting the class Chondrichthyes (sharks, skates, and rays) but includes the twenty,000 species and quite four hundred families of recent bony fishes (infraclass Teleostei) of the world, additionally as variety of primitive forms. The primary characteristic of bony fishes is also a skeleton, a minimum of part composed of true bone (as important cartilage). completely different choices embrace, in most forms, the presence of a sac (a full sac to grant buoyancy), gill covers over the gill chamber, bony flattened scales, a os with sutures, and external fertilization of eggs.

Cartilaginous fishes (chondrichthyans) represent ancient radiation of the vertebrate vertebrates characterized by having calcified cartilage but little or no bone internally, and barely any in their scales. This cluster includes sharks, skates, and rays (Elasmobranchs), and chimaeras (Holocephali).
Cartilaginous fish embrace sharks, rays, skates and chimaeras. There are approximately roughly more or less around or so 600 fully completely different species of rays and skates and regarding 5 hundred shark species. Rays and skates board oceans throughout the world. Most rays and skates maintain rock bottom of the ocean whereas some board open water.

Hence the correct answer is OPTION(B)

Note: Many fish species carry high levels of the metal mercury - a dangerous contamination that will have a bearing on the system. Consultants counsel pregnant women avoid sea-water fishes like swordfish (myli meen), tuna and shark and prefer fish that are found in native ponds like rohu, hilsa, surmai (kingfish) etc instead.
Also known as Carpo fish, Rohu is enriched with a handsome amount of supermolecule. crammed with Omega 3 fatty acids and vitamins A, B, and C. you need to eat Rohu a minimum of once weekly.