Which one of the following is a matching set of a phylum and its three examples?
Cnidaria — Bonellia, Physalia, Aurelia
Platyhelminthes — Planaria, Schistosoma, Enterobius
Mollusca — Loligo, Teredo, Octopus
Mollusca — Loligo, Teredo, Octopus
C.
Mollusca — Loligo, Teredo, Octopus
Loligo, Teredo and Octopus are the members of phylum Mollusca.
Loligo is commonly called squid or sea arrow and is gregarious, fast swimmer in the open water of the sea and is carnivorous, feeding on crabs and fishes.
Octopus (Devil fish) is found at the bottom of the sea. It is nocturnal and feeds on crabs, fishes and other molluscs.
Teredo or shipworm is a marine bivalve which has small anterior shell and long slender body with a smell foot functioning as adhesive structure.
Two commons characters found in centipede, cockroach and crab are
compound eyes and anal cerci
jointed legs and chitinous exoskeleton
green gland and tracheae
green gland and tracheae
Which one of the following phyla is correctly matched with its two general characteristics?
Arthropoda - Body divided into head, thorax and abdomen and respiration by tracheae.
Chordata - Notochord at some stage and separate anal and urinary openings to the outside
Echinodermata - Pentamerous radial symmetry and mostly internal fertilisation
Echinodermata - Pentamerous radial symmetry and mostly internal fertilisation
Metameric segmentation is the characteristic of
Platyhelminthes and Arthropoda
Echinodermata and Annelida
Annelida and Arthropoda
Annelida and Arthropoda
What is common between parrot, platypus and kangaroo?
Homeothermy
Toothless jaws
Functional post-anal tail
Functional post-anal tail
Biradial symmetry and lack of cnidoblasts are the characteristics of
Starfish and sea anemone
Ctenoplana and Beroe
Aurelia and Paramecium
Aurelia and Paramecium
In which one of the following sets of animals do all the four give birth to young ones?
Lion, bat, whale, ostrich
Platypus, penguin, bat, hippopotamus
Shrew, bat, cat, kiwi
Shrew, bat, cat, kiwi
In case of poriferans the spongocoel is lined with flagellated cells called :
Ostia
Oscula
Choanocytes
Choanocytes
Frog's heart when taken out of the body continues to beat for some time
Select the best option from the following statements
(a) Frog is a poikilotherm
(b) Frog does not have any coronary circulation
(c) Heart is 'myogenic' in nature
(d) Heart is autoexcitable
Only (c)
Only (d)
(a) & (b)
(a) & (b)
Which of the following represents order of 'Horse'?
Equidae
Perissodactyla
Caballus
Caballus
