$(i)$ Draw a neat diagram of Hydra.
$(ii)$ Label mesoglea and gastrovascular cavity.
$(iii)$ Name the group of animals it belongs to.
$(iv)$ Name one species of this group that lives in colonies.

State whether the following statement is true or false:
Gymnosperms are usually perennial,evergreen,and woody.

What is haemocoel?

$(i)$ To which division of Plantae do algae belong? Write one characteristic of the division. Give two examples.
$(ii)$ Name the group:
$(a)$ Which includes unicellular eukaryotic organisms.
$(b)$ In which the mode of nutrition is saprophytic.
$(c)$ In which seeds are not enclosed in fruit.
$(iii)$ Classify flowering plants on the basis of the number of cotyledons present in the seed.

Which of the following is not an aquatic animal?

Fungi are heterotrophic eukaryotic organisms and have a cell wall made of chitin. Name five cell organelles that are present in the fungal cell. Also,state two structural differences between a plant cell and a fungal cell. Which life form occurs due to the association of cells of fungi and algae?