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Solution


Q.

Which of the statements is incorrect
1 The filiform apparatus blocks the entry of pollen and sperm cells.  
2 The secondary nuclei form a polar nucleus prior to fertilisation.  
3 Androecium is a part of the carpel.  
4 All of the above  

Ans.

(4)

Filiform apparatus are the finger-like projections that direct the entry of pollen tube and aid in sperm discharge. The definitive nucleus is a secondary nucleus generated by the fusion of two polar nuclei. Stamens are the male parts of a flower; together, they make up the androecium.