Sexual Reproduction In Flowering Plants Ques 54
54. The arrangement of the nuclei in a normal embryo sac in the dicot plants is
(a) $3+2+3$
(b) $2+3+3$
(c) $3+3+2$
(d) $2+4+2$
Show Answer
Answer : a
Hints & Solutions
(a) In a dicot plant general arrangement of nuclei in the embryosac is that 3 nuclei in 3 cells of egg apparatus (one egg cell & 2 synergids) at micropylar end and 2 polar nuclei in almost middle region and 3 nuclei in the form of antipodals at the distal end from micropyle, towards nucellus. So total nuclei 3 $+2+3$.
BETA
