STD 11 - 3. Plant kingdom — NEET STD 11 Science — Question

$A$. Asexual reproduction occurs usually by biflagellate zoospores.

$B$. Sexual reproduction is by oogamous method only.

$C$. Stored food is in the form of carbohydrates which is either mannitol or laminarin.

$D$. The major pigments found are chlorophyll $a$, $c$ and carotenoids and xanthophyll.

$E$. Vegetative cells have a cellulosic wall, usually covered on the outside by gelatinous coating of algin.

Choose the correct answer from the options given below:

$(I)$ Nucleus of the functional megaspore divides meiotically to form two nuclei.

$(II)$ After $8$ nucleate stage, cell walls are laid down leading to organization of typical female gametophyte

$(III)$ The egg apparatus, consists of two synergids and one egg cell.

$(IV)$ Three cells are at the chalaza end are called antipodal cells.