HARD
Earn 100

Incomplete digestive tract (blind sac body plan) is found in
(a)Annelids
(b)Arthropods
(c)Molluscs
(d)Platyhelminthes

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Important Questions on Classification
MEDIUM
Column – I | Column – II | ||
---|---|---|---|
Pila | Flame cells | ||
Bombyx | Comb plates | ||
Pleurobrachia | Radula | ||
Taenia | Malpighian tubules |
Select the correct option from the following:

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MEDIUM
Match the following columns and select the correct option.
Column-I | Column-II | ||
(a) | Gregarious, polyphagous pest | (i) | Asterias |
(b) | Adult with radial symmetry and larva with bilateral symmetry | (ii) | Scorpion |
(c) | Book lungs | (iii) | Ctenoplana |
(d) | Bioluminescence | (iv) | Locusta |

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Observe the following simplified scheme and choose the correct option that matches with the letters given in the boxes.

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HARD
I) Colloblasts are found in sea gooseberries
II) Larva of cestodes is Muller's larva
III) Nematodes have renette gland for excretion
IV) Stomochord is found in hemichordates

MEDIUM
Aristotle's lantern is found in echinoids
Glochidium is the larva of cephalopods
Scorpions respire with book lungs.
Parapodia are found in oligochaetes

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MEDIUM
Match the following
List - I | List - II | ||
(a) | Crab | (i) | Green glands |
(b) | Dugesia | (ii) | Malpighian tubules |
(c) | Wuchereria | (iii) | Renette glands |
(d) | Scolopendra | (iv) | Flame cells |
The correct answer is

EASY
Column-I | Column-II |
Flame cells | Sponges |
Collar cells | Hydra |
Stinging cells | Planaria |

