Crossing between two genetically dissimilar plants to develop a new variety is called.

hybridisation

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fertilisation

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pollination

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Solution

The correct option is A hybridisation
$∙$ Hybridisation is a technique used to develop seeds with desired characteristics. Bio-technologists develop hybrid varieties by crossing between two plants which have genetically different characters to develop new varieties with useful characters.
$∙$ These hybrid varieties are high yielding, disease-resistant, have low water requirement and can grow in acidic soil as well.

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Question 5
Find out the correct sentence

(i) Hybridization means crossing between genetically dissimilar plants
(ii) Cross between two varieties is called as interspecific hybridization
(iii) Introducing genes of the desired character into a plant gives a genetically modified crop
(iv) Cross between plants of two species is called as inter varietal hybridisation

(a) (i) and (iii)
(b) (ii) and (iv)
(c) (ii) and (iii)
(d) (iii) and (iv)

Q. Find out the correct sentence.
(i) Hybridization means crossing between genetically dissimilar plants.
(ii) Cross between two varieties is called as inter specific hybridisation.
(iii) Introducing genes of desired character into a plant gives genetically modified crop.
(iv) Cross between plants of two species is called as inter varietal hybridisation.

Q. Hybridization refers to crossing between genetically dissimilar plants.

Crossing between two different species or varieties of a plant to get plants with improved qualities is called as ____ .

Q. The method of producing new crop varieties in which two or more plants of unlike genetic constitution are crossed together is known as clonal selection.

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