Use app×
Join Bloom Tuition
One on One Online Tuition
JEE MAIN 2025 Foundation Course
NEET 2025 Foundation Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
52 views
in Biology by (237k points)
closed by

Identify the odd from the given group.

Hydra, Sea Anemone, Psychon, Jellyfish
1. Psychon
2. Sea Anemone
3. Jellyfish
4. Hydra

1 Answer

0 votes
by (239k points)
selected by
 
Best answer
Correct Answer - Option 1 : Psychon

The correct answer is Psychon.

  • Psychon is odd from the group.
  • Phylum Cnidaria includes the animals which show radial or biradial symmetry and are diploblastic.

  • Nearly 99 percent of cnidarians are marine species.
  • This phylum includes diverse animals like jellyfish, sea anemones, corals, and Hydra.
    • Their general characteristics are as follows-
      • Cnidarians have two distinct morphological body plans known as polyp and medusa.
      • They are diploblastic and exhibit tissue grade of organization.
      • The body wall is composed of an outer layer called as the epidermis, an inner layer called the gastrodermis and a gelatinous mesoglea is between the outer and inner epidermis.
      • They have an incomplete digestive system with only one opening.
      • Cnidarians are commonly unisexual but some are bisexual. Fertilization is external.
      • Asexual reproduction takes place by budding, fission, and fragmentation and they have a remarkable power of regeneration.

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...