MCQ practice · SSC Biology Board questions · Chapter 11: Reproduction in Organisms
In which is the purity of the species likely to be lost?
Think it through first, then pick an option.
- a Mustard
- b Papaya
- c Pumpkin
- d Thorn apple
Answer and explanation
Correct answer: b Papaya
Papaya is cross-pollinated; the union of two plants of different qualities can spoil the purity of the species.
Why the other options are wrong
- a Mustard: Mustard is self-pollinated, so the purity of the species stays.
- c Pumpkin: Pumpkin is an insect-pollinated flower; the book does not give it as an example of cross-pollination, so it is not the intended answer.
- d Thorn apple: The thorn apple is self-pollinated, so purity stays intact.
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