MCQ
Tube feet are the characteristic structures of
- AJellyfish
- BCuttlefish
- ✓Starfish
- DCrayfish
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$(P)$ Their gametophytes is called prothallus.
$(Q)$ Rhizoid present but it is not true root.
$(R)$ Pyranoid contain protein besides starch.
$(S)$ Red pigment, $r$-phycoerythin present in their body.
| List - $A$ | List - $B$ |
| $(a)$ Citrus canker | $(i)$ Fungi |
| $(b)$ Spongiform encephalopathy | $(ii)$ Prion |
| $(c)$ Herpes | $(iii)$ Virus |
| $(d)$ Red rot | $(iv)$ Bacteria |
Choose the correct option for $A$ and $B$ to complete the given statement
$R$ : In non-competitive inhibition, inhibitor and substrate bind at same sites on the enzyme.
$R-$ Theoretical second meiosis is similar to themitosis.