MCQ
$A$ -Colostrum contains several antibodies.
$R$ -Due to colostrum immunity is decrease in child.
- A$A$ and $R$ correct
- B$A$ and $R$ incorrect
- ✓$A$ -correct, $R$ -incorrect
- D$A$ -incorrect, $R$ -correct
$R$ -Due to colostrum immunity is decrease in child.
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$(I)$ 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.
Match the following:
| Column $- I$ | Column $- II$ |
| $(p)$ Intine | $(v)$ Long structure |
| $(q)$ Exine | $(w)$ Nutrition to pollengrain |
| $(r)$ Pollentube | $(x)$ Sporopollenin |
| $(s)$ Tapetum | $(y)$ Pectin, cellulose |
| $(z)$ Glycogen |