(a) How are Parthenocarpic fruits produced by some plants and apomictic seeds by some others ? Explain. (b) When do farmers prefer using apomictic seeds ?

(a) How are Parthenocarpic fruits produced by some plants and apomicti

1.	(a) How are Parthenocarpic fruits produced by some plants and apomictic seeds by some others ? Explain. (b) When do farmers prefer using apomictic seeds ?
Answer» A commonly preserved non-sterdal oral pill is sachli. It is a once a week pill contraceptives value.

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(i) Arrange the following compounds in an increasing order of basic strength : `C_(6)H_(5)NH_(2), C_(6)H_(5)N(CN_(3))_(2), (C_(2)H_(5))_(2)NH and CH_(3)NH_(2)` (ii) Arrange the following compounds in a decreasing order of `pK_(b)` values: `C_(2)H_(5)NH_(2), C_(6)H_(5)NHCH_(3), (C_(2)H_(5))_(2) NH and C_(6)H_(5)NH_(2)`
Rerrange the following in an increasing order of their basic strengths: `C_(6)H_(5)NH_(2),C_(6)H_(5)N(CH_(3))_(2),(C_(6)H_(5))_(2)` NH and `CH_(3)NH_(2)`.
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(a) How are Parthenocarpic fruits produced by some plants and apomictic seeds by some others ? Explain. (b) When do farmers prefer using apomictic seeds ?

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