Question

In which of the following animal post anal tail is
found?
(a) Earthworm
(b) Lower invertebrate
(c) Scorpion
(d) Cobra

Answer 1

Answer:

Cobra is the correct answer

Explanation:

Because cobra is a snake and it belongs to a family of reptiles

Answer 2

Answer is option "d"

Explanation:

• The spinal chord extends beyond the animal's anus present in the posterior region of the body is a post-anal tail. Postanal tails are a feature of all chordates and therefore out of four options, the snake will possess the post-anal tail.
• For example: Cobra belongs to phylum Chordata. It belongs to class Reptilia in phylum Chordata.
• They possess a post-anal tail and closed circulatory system. Whereas earthworms, scorpions and lower invertebrates do not belong to vertebrates and thus, do not possess post anal and tail.
• So the correct answer is option d "Cobra".