Which statement is true for $Spongilla$,$Leech$,$Dolphin$,and $Penguin$?
- AAll possess bilateral symmetry.
- B$Penguin$ is homeothermic while the others are poikilothermic.
- C$Leech$ is a freshwater annelid,while all others are marine.
- D$Spongilla$ has special collar cells called $Choanocytes$,which are not found in the others.
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Match the following columns and select the correct option.
Column-$I$ Column-$II$ $(a)$ Coelenterata $(i)$ Parapodia $(b)$ Arthropoda $(ii)$ Radula $(c)$ Annelida $(iii)$ Malpighian tubules $(d)$ Mollusca $(iv)$ Cnidoblasts
| Column-$I$ | Column-$II$ |
| $(a)$ Coelenterata | $(i)$ Parapodia |
| $(b)$ Arthropoda | $(ii)$ Radula |
| $(c)$ Annelida | $(iii)$ Malpighian tubules |
| $(d)$ Mollusca | $(iv)$ Cnidoblasts |
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View SolutionWhich of the following options represents hermaphrodite (bisexual) animals?
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View SolutionMatch the following:
List-$I$ List-$II$ $(a)$ Physalia $(i)$ Pearl oyster $(b)$ Limulus $(ii)$ Portuguese Man of War $(c)$ Ancylostoma $(iii)$ Living fossil $(d)$ Pinctada $(iv)$ Hookworm
Choose the correct answer from the options given below.
| List-$I$ | List-$II$ |
|---|---|
| $(a)$ Physalia | $(i)$ Pearl oyster |
| $(b)$ Limulus | $(ii)$ Portuguese Man of War |
| $(c)$ Ancylostoma | $(iii)$ Living fossil |
| $(d)$ Pinctada | $(iv)$ Hookworm |
Choose the correct answer from the options given below.
MediumNEET 2021
View SolutionWhich type of asexual reproduction is $NOT$ observed in organisms belonging to the phylum Protozoa?
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View SolutionMatch the following columns:
Column-$I$ Column-$II$ $(a)$ Contractile vacuole $(i)$ Excretory unit $(b)$ Parapodia $(ii)$ Food ingestion $(c)$ Flame cells $(iii)$ Locomotion $(d)$ Nematocysts $(iv)$ Osmoregulation
| Column-$I$ | Column-$II$ |
| $(a)$ Contractile vacuole | $(i)$ Excretory unit |
| $(b)$ Parapodia | $(ii)$ Food ingestion |
| $(c)$ Flame cells | $(iii)$ Locomotion |
| $(d)$ Nematocysts | $(iv)$ Osmoregulation |
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