PART - 1 - Unit III : CH - 8 Cell: The Unit of Life — BIOLOGY STD 11 Science — Question

$(I)$ Body is circular in cross-section.

$(II)$ Parasite found in animals and plants.

$(III)$ Organ-system level of body organization.

$(IV)$ Incomplete digestive system.

$(a)$ Heterospory

$(b)$ Endosporic development of gametophyte

$(c)$ Reduced gametophyte

$(d)$ Localization of sporangium bearing appendages in strobili

$(e)$ Unisexual gametophytes

$(f)$ Fertilization with the help of water