Home
Class 12
BIOLOGY
Which of the statements regarding coelen...

Which of the statements regarding coelenterates is/are wrong
I. Cnidocytes are present on the tentacles and on the body
II. Diploblastic with cellular level of organisation
III. Polyp forms are free living
IV. Exhibit metagenesis
V. Polyps produce medusae sexually and medusae form polyps asexually.

A

(ii) and (iv) only

B

(iii) and (v) only

C

(ii) , (iii) and (v)

D

(i),(ii) and (iii)

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • NTA NEET TEST 80

    NTA MOCK TESTS|Exercise BIOLOGY|90 Videos

  • NTA NEET TEST 85

    NTA MOCK TESTS|Exercise BIOLOGY|90 Videos

Similar Questions

Explore conceptually related problems

(i) Radial symmetrical (ii) Diploblastic (iii) The cellular level of organization (iv) Digestion is intracellular only (v) Exhibit two basic body forms called polyp and medusa. How many points are correct about Obelia?

Which of the following coelenterate exist in both forms polyp and medusa and exhibit metagenesis.

Mark te given statements True (T) or False (F) (i) All members of animalia are multicellular. (ii) Sponges exhibit tissue grade level of body organization (iii) A complete digestive system has two openings, mouth and anus. (iv) Annelids are pseudocoelomate animals. (v) notochord is an endodermally derived structure. (vi) all vertebrates are chordates. (vii) all chordates are vertebrates (viii) Polyps produce medusae asexually and medusae form the polyps sexually. (ix) Hooks and suckers are present in non parasitic flatworms (x) Lamprey dies after few days of spawning.

Which of the following statement/s regarding ecological pyramid is/are wrong? I. In most ecosystem, all the pyramids, of number, of energy and biomass are upright. II. Each trophic level has a certain mass of living material at a particular time called as the standing crop. III. The pyramid of biomass in sea is generally upright because the biomass of fishes far lower that of phytoplankton. IV. Pyramid of energy is always upright, can never be inverted. V. Energy at a lower trophic level is always less than at a higher level.

Which of the following statement/s regarding gametogensis is/ are wrong ? I. Gametogensis refers to the process of formation of the two types of gametes. II. Gametogenesis occurrs is gonads. III. In a majority of sexually reproducing organisms the gameter produced are of morphologically in simialr types (isogametes). IV. Gametogenesis involves the meictioc divison . V. The male gamtes is called the antheroid or sperm and the female gamete is called the egg or ovum.

Cnidarians exhibits two basic body forms called polyp and medusa. The polyp represents

Read the following statements and choose the correct options I. Pelvic fins of female sharks bear claspers. II . In Obelia polyps produce medusae sexually and medusae form the polyps produce medusae sexually and medusae form the polyps a sexually . III . Flame cells in platyheliminthes help in osmoregulation and excretion . IV. In nonchordates , central nervous system is ventral , solid and double . V . Pinnae are present in mammals .

Which of the following statements are true? I. Molluscs possess cellular level of organisation. II. Arthropods are true coelomates. III. Platyhelminthes are pseudocoelomates. IV. Ctenophores have bilateral symmetry. Choose the correct option.

NTA MOCK TESTS-NTA NEET TEST 81-BIOLOGY
  1. The first movements of the fetus are observed during

    Text Solution

    |

  2. peritoneum of coelom is an example of

    Text Solution

    |

  3. Which of the statements regarding coelenterates is/are wrong I. Cnid...

    Text Solution

    |

  4. Match Column I with Column II and select the correct option . {:(,"C...

    Text Solution

    |

  5. Malic acid inhibits the activity of enzyme succinates dehydrogenase . ...

    Text Solution

    |

  6. Which stage is marked by terminalizatioh of chiasmata?

    Text Solution

    |

  7. Glycolipids in the plasma membrane are located at

    Text Solution

    |

  8. A type of natural selection that preserves existing allelic frequencie...

    Text Solution

    |

  9. Which is wrong about oogenesis?

    Text Solution

    |

  10. Genital warts are commonly spread by

    Text Solution

    |

  11. Which one of the following is matching set of a phylum and its three e...

    Text Solution

    |

  12. Recognise the figure and find out the CORRECT matching .

    Text Solution

    |

  13. The following graph represents enzyme activity with changing

    Text Solution

    |

  14. Axoneme having 9 + 2 doublet microtubule arrangement is found in

    Text Solution

    |

  15. Replica plate experiment by Lederbery showing antibiotic resistance pr...

    Text Solution

    |

  16. Which event ensures that only one sperm can fertilize an ovum ?

    Text Solution

    |

  17. What will be the distribution of phenotypic features in the first gene...

    Text Solution

    |

  18. What is a herbarium ?

    Text Solution

    |

  19. What is so special about tropics that might account for their greater ...

    Text Solution

    |

  20. Escherichia coli is used in biological researches because

    Text Solution

    |