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Subjects
Science CBSE
Class 10
How do organisms reproduce?
Reproduction in plants
16.
Double fertilization
Exercise condition:
4
m.
Choose all the best ones:
1.
The correct definition of reproduction is:
The fusion of male and female gametes to form a zygote
The fusion of male and female spores to form a sporophyte
The fusion of male and female gametes to form a diploid zygote
The fusion of male and female gametes to form a haploid zygote
2.
How does the pollen grain reach the ovary?
The pollen tube penetrates through the micropylar end
The pollen tube penetrates through the chalazal end
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