NEET Biology - New - Animal Kingdom

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Question - 1

In case of poriferans the spongocoel is lined with flagellated cells called:

  • A Ostia
  • B Oscula
  • C Choanocytes
  • D Mesenchymal cells

Question - 2

The body having meshwork of cells, internal cavities lined with food filtering flagellated cells and indirect development are the characteristics of phylum:

  • A Coelenterata
  • B Porifera
  • C Mollusca
  • D Protozoa

Question - 3

Metagenesis refers to :

  • A Presence of a segmented body and parthenogenetic mode of reproduction
  • B Presence of different morphic forms
  • C Alternation of generation between asexual and sexual phases of an organism
  • D Occurrence of a drastic change in form during post-embryonic development.

Question - 4

Planaria possess high capacity of

  • A Metamorphosis
  • B Regeneration
  • C Alternation of generation
  • D Bioluminescence

Question - 5

One example of animals having a single opening to the outside that serves both as mouth as well as anus is

  • A Fasciola
  • B Octopus
  • C Asterias
  • D Ascidia

Question - 6

Which one of the following kinds of animals are triploblastic?

  • A Corals
  • B Flatworms
  • C Sponges
  • D Ctenophores

Question - 7

Which one of the following groups of animals is bilaterally symmetrical and triploblastic?

  • A Aschelminthes (Round worm)
  • B Ctenophores
  • C Sponges
  • D Coelenterates (Cnidarians)

Question - 8

Ascaris is characterised by

  • A Presence of true coelom and metamerism
  • B Absence of true coelom but presence of metamerism
  • C Presence of neither true coelom nor metamerism
  • D Presence of true coelum but absence of metamerism

Question - 9

In contrast to annelids the platyhelminthes show:

  • A Radial symmetry
  • B Presence of pseudocoel
  • C Bilateral symmetry
  • D Absence of body cavity.

Question - 10

Which of the following animals does not undergo metamorphosis?

  • A Moth
  • B Tunicate
  • C Earthworm
  • D Starfish