| कॉलम $X$ | कॉलम $Y$ |
| $(1)$ बहिःप्रजनन (Outcrossing) | $(P)$ अगर-अगर जेल |
| $(2)$ अंतर्जातीय संकरण (Interspecific hybridization) | $(Q)$ खच्चर |
| $(3)$ कैलस संवर्धन (Callus culture) | $(R)$ रोटरी शेकर |
| $(4)$ निलंबन संवर्धन (Suspension culture) | $(S)$ सांता गर्टूडिस |
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