Which is true for flatworms?
1.Bilaterally symmetrical
2.Triploblastic body plan
3.Acoelomate animals
4.All of these
The number of ciliated rows present in Comb jellies are
(1) 8
(2) 6
(3) 4
(4) 9
Which of the following helps in excretion and osmoregulation in Flatworms
1.Flame cells
2.Nephridia
3.Malphigian tubules
4.Green glands
Which of the following is known liverfluke
1.Taeniasaginata
2.Taeniasolium
3.Fasciola hepatica
4.Schistoma
Planaria posses high capacity of
(1) metamorphosis
(2) regeneration
(3) alternation of generation
(4) bioluminescence
Which of the following is true about Ctenophores?
1.Reproduction takes place by sexual means only
2.Fertilisation is external
3.Indirect development
4.All of these
Which of the following is known as Tapeworm
1.Dugesia tigrina
2.Taenia solium
3.Fasciola hepatica
4.Schistoma
Which of the following is common in Cnidarians and Ctenophora
1.Digestion is both intracellular and extracellular
2.Cnidoblast
3.Only sexual means of reproduction present
4.Metagenesis
Match the following cells/structures with their phyla of origin
1) | Flame cells | (i) | Coelenterata |
2) | Choanocytes | (ii) | Platyhelminthes |
3) | Cnidocytes | (iii) | Ctenophora |
4) | Comb plates | (iv) | Porifera |
(1) 1-(i), 2-(iv), 3-(ii), 4-(iii)
(2) 1-(iii), 2-(ii), 3-(iv), 4-(i)
(3) 1-(ii), 2-(iv), 3-(i), 4-(iii)
(4) 1-(ii), 2-(iii), 3-(i), 4-(iv)
The function of flame cells are
(1) Digestion and excretion
(2) Attachment and osmoregulation
(3) Anchorage and excretion
(4) Excretion and osmoregulation