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Earn 100

Read following statement carefully with regards to "Sea Walnut"
"The body of sea walnut bears external rows of comb plates which help in ".
Select the correct option which correctly fills up the both blanks and respectively.
Select the correct option which correctly fills up the both blanks and respectively.
(a)-Eight, -Digestion
(b)-Eight, -Locomotion
(c)-Sixteen, -Locomotion
(d)-Sixteen, -Digestion

50% studentsanswered this correctly
Important Questions on Classification
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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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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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Observe the following simplified scheme and choose the correct option that matches with the letters given in the boxes.

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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 |

EASY
Match the animals of Column with their respective classes in Column and choose the correct answer.
Column- | Column- | ||
Aptenodytes | Aves | ||
Hemidactylus | Chondrichthyes | ||
Carcharodon | Mammalia | ||
Pteropus | Reptilia | ||
Osteichthyes |
Select the code for the correct answer from the options given below.

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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

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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

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MEDIUM
Match the following:
Mollusc | Class | ||
A) | Neopilina | Tetrabranchiata | |
B) | Chiton | Scaphopoda | |
C) | Aplysia | Monoplacophora | |
D) | Pulsellum | Polyplacophora | |
Gastropoda |
The correct match is

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Match List with List.
List | List | ||
(a) | Metamerism | (i) | Coelenterata |
(b) | Canal system | (ii) | Ctenophora |
(c) | Comb plates | (iii) | Annelida |
(d) | Cnidoblasts | (iv) | Porifera |

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

