Description : The type of tail found in Shark is – (1) Protocercal (2) Homocercal (3) Heterocercal (4) Diphycercal
Last Answer : (3) Heterocercal Explanation: Sharks possess a heterocercal caudal fin in which the dorsal portion is usually noticeably larger than the ventral portion. This is because the shark's vertebral column extends into that dorsal portion, providing a greater surface area for muscle attachment.
Description : The type of tail found in Shark is (1) Protocercal (2) Homocercal (3) Heterocercal (4) Diphycercal
Last Answer : Heterocercal
Description : Heterocercal tall, placoid scales are found in one of the following
Last Answer : Heterocercal tall, placoid scales are found in one of the following A. Rohu B. Neoceratodus C. Scoliodon D. Anguilla
Description : Match the following columns and select the correct option. Column-I Column-II (A) 6-15 pairs of gill slits (i) Trygon (B) Heterocercal caudal fin (ii) Cyclostomes (C) Air bladder (iii) Chondrichthyes (D) Poison sting (iv) Osteichthyes ... (i) (ii) (c) (iv) (ii) (iii) (i) (d) (i) (iv) (iii) (ii)
Last Answer : (a) (ii) (iii) (iv) (i)
Description : A post -anal tail is found in
Last Answer : A post -anal tail is found in A. Earthworm B. Lower invertebrate C. Scorpion D. Snake
Description : In which of the following animals post anal tail is found? (a) Earthworm (b) Lower invertebrates (c) Scorpion (d) Snake
Last Answer : (d) Snake
Description : Notochord is found in the tail regionof a) Chordata b) Urochordata c) Cephalochordata d) Vertebrata
Last Answer : b) Urochordata