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Solution


Q.

The plant parts which consist of two generations—one within the other                      [2020]
(1) pollen grains inside the anther
(2) germinated pollen grain with two male gametes
(3) seed inside the fruit
(4) embryo sac inside the ovule
1 (1) only  
2 (1), (2), and (3)  
3 (3) and (4)  
4 (1) and (4)  

Ans.

(4)