Simultaneous meiotic division of microspore mother cells leads to : - tetrahedral tetrad
- linear tetrad
- isobilateral
- decussate tetrad.
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Development of embryo from any cell of nucellus is called :
- Apogamy
- Apospory
- Parthenogenesis
- Sporogenesis
Parthenocarpic fruit is :
- fruit with immature seeds
- fruit with mature seed
- fruit developed without fertilization
- only seeds and no fruits.
The fertilization occurs in the :
- ovary
- ovule
- embryo sac
- nucellus.
The female gametophyte of a typical dicot at the time of fertilization is:
- 8-celled
- 7-celled
- 6-celled
- 4-celled