Classify the following organisms into their respective kingdoms as per Whittaker's five kingdom classification:
$Amoeba$,$Euglena$,Birds,Herbs,Cats,$Lactobacillus$.

What do you understand by the term $diploblastic$? Give one example of an organism that is $diploblastic$.

You are given leech,Nereis,Scolopendra,prawn,and scorpion; all have a segmented body organization. Will you classify them in one group? If no,give the important characters based on which you will separate these organisms into different groups.

Which among the following has specialised tissue for the conduction of water?
$(i)$ Thallophyta
$(ii)$ Bryophyta
$(iii)$ Pteridophyta
$(iv)$ Gymnosperms

$A$ plant specimen was found without differentiated roots.
$(a)$ Which plant structure helps in attaching this plant to the substratum?
$(b)$ To which group would you classify this plant?
$(c)$ Which plant could it be?

Mention any three major differences between Porifera and Coelenterata.