Q. Which of the following is an intervarietal type of hybridisation? A Between different genera B Between different varieties C Between two different species of same genera D Between two plants of the same family

(i) Hybridisation means crossing between genetically dissimilar plants (ii) Cross between two varieties is called as interspecific hybridisation (iii) Introducing genes of desired character into a plant gives genetically modified crop (iv) Cross between plants of two species is called as intervarietal hybridisation A (i) and (iii) (ii) and (iii) B (ii) and (iv) C D (iii) and (iv)

Interspecies hybrids are usually not considered separate species due to which of the follwoing?Multiple choice question.They occupy the same geographic area as both parent species.They are usually more like one parent than the other.They are sterile.They have characteristics of two distinct species.

Hybridisation

Which of the following is the process in which traits that increase prezygotic isolation between two differentiated populations are favored due to natural selection against the production of unfit hybrids?Multiple choice question.EvolutionFertilizationMutationReinforcement

A ______ organism produces mixed offspring: some that are identical to the parent plant and some that are different.Multiple choice question.dominantrecessivetrue-breedinghybrid