Birds and mammals have
- AThree chambered heart
- BFour chambered heart
- CSix chambered heart
- DNone of the above
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What is common between the trichocysts of $Paramecium$ and the nematocysts of $Hydra$?
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View SolutionWhich one of the following animals is correctly matched with its one characteristic and the taxon?
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View SolutionIn which one of the following is the genus name,its two characters,and its class/phylum correctly matched?
Genus Name
Two Characters $\&$ Class/Phylum
$A$. $Ascaris$
$(i)$ Body segmented,$(ii)$ Males and females distinct; Phylum: $Annelida$
$B$. $Salamandra$
$(i)$ $A$ tympanum represents ear,$(ii)$ Fertilization is external; Class: $Amphibia$
$C$. $Pteropus$
$(i)$ Skin possesses hair,$(ii)$ Oviparous; Class: $Mammalia$
$D$. $Aurelia$
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| Genus Name | Two Characters $\&$ Class/Phylum |
|---|---|
| $A$. $Ascaris$ | $(i)$ Body segmented,$(ii)$ Males and females distinct; Phylum: $Annelida$ |
| $B$. $Salamandra$ | $(i)$ $A$ tympanum represents ear,$(ii)$ Fertilization is external; Class: $Amphibia$ |
| $C$. $Pteropus$ | $(i)$ Skin possesses hair,$(ii)$ Oviparous; Class: $Mammalia$ |
| $D$. $Aurelia$ | $(i)$ Cnidoblasts present,$(ii)$ Organ level of organization; Phylum: $Coelenterata$ |
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