MCQ
Apomictic embryos in Citrus arise from
- Asynergids
- ✓maternal sporophytic tissue in ovule
- Cantipodal cells
- Ddiploid egg.
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| $(a)$ Restriction endonuclease | $(i)$ Joins the $DNA$ fragements |
| $(b)$ Restriction exonuclease | $(ii)$ Extends primers on genomic $DNA$ template |
| $(c)$ $DNA$ ligase | $(iii)$ Cuts $DNA$ at specific position |
| $(d)$ Taq polymerase | $(iv)$ Removes nucleotides from the ends of $DNA$ |
Select the correct option from the following
| Column $-I$ | Column $-II$ |
| $(1)$ Pollination by water | $(a)$ Grass |
| $(2)$ Pollination by wind | $(b)$ free-nuclear endosperm |
| $(3)$ coconut water | $(c)$ Guava |
| $(4)$ Fleshy fruit | $(d)$ Hydrilla |
| $(e)$ cellular endosperm |