MCQs on Invertebrates
Q. A characteristic feature, which is present only in the phylum Coelenterata is
(a) nematocysts
(b) flame cells
(c) hermaphroditism
(d) polymorphism
Answer: : (a)
Q. Cnidarians, which exhibit only polyp stage
(a) Cubozoa
(b) Scyphozoa
(c) Anthozoa
(d) Hydrozoa
Answer: : (c)
Q. Excretion is performed by _______ in flatworms.
(a) protonephridia
(b) flame cells
(c) green glands
(d) malpighian tubules
Answer: : (b)
Q. The group of molluscs, which possess eyes similar to vertebrates
(a) bivalvia
(b) gastropoda
(c) cephalopoda
(d) pelecypoda
Answer: : (c)
Q. Tube feet are found in
(a) cuttlefish
(b) crayfish
(c) jellyfish
(d) starfish
Answer: : (d)
Q. Flagellated cells, which line the spongocoel in Poriferans are known as
(a) ostia
(b) mesenchymal cells
(c) choanocytes
(d) oscula
Answer: : (c)
Q. Which of the following is not a characteristic of the phylum Arthropoda?
(a) Metameric segmentation
(b) Jointed appendages
(c) Chitinous exoskeleton
(d) Parapodia
Answer: : (d)
Q. This is an example of bilaterally symmetrical and triploblastic animal
(a) cnidarians
(b) sponges
(c) ctenophores
(d) round worms
Answer: : (d)
Q. Phylum Annelida is not characterized by
(a) segmentation
(b) closed circulatory system
(c) ventral nerve chord
(d) pseudocoelom
Answer: : (d)
Q. Which of the following contains notochord in the embryonic stage?
(a) Non-chordates
(b) Vertebrates
(c) All chordates
(d) Some of the chordates
Answer: : (c)
