(A) Correns
(B) Bernstein
(C) T.H Morgan
(D) Landsteiner
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Adventitive embryoyny in Citrus is due to:
(A) Nucellus
(B) Integuments
(C) Zigotic embryo
(D) Fertilized egg
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In grass what happens in microspore mother cell for the formation of mature pollen grains:
(A) One meiotic and two mitotic division
(B) One meiotic and one mitotic division
(C) One meiotic division
(D) One mitotic division
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Which one breaks the dormancy of potato tuber:
(A) Gibberellin
(B) IAA
(C) ABA
(D) Zeatin
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Which is the eyes of potato:
(A) Auxillary bud
(B) Accessary bud
(C) Adventious root
(D) Apical bud
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Anemophily type of pollination is found in:
(A) Salvia
(B) Bottle brush
(C) Vallisneria
(D) Coconut
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By which action a seed coat becomes parmable to water:
(A) Scarification
(B) Starification
(C) Vernalization
(D) All of the above
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Endosperm is formed during the double fertilization by:
(A) Two polar nuclai and one male gemete
(B) One polar nuclai and one male gemete
(C) Ovume and male gemete
(D) Two polar nuclai and two male gemete
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Eight nuclated embryo sac is:
(A) Only monosporic
(B) Only bisporic
(C) Only tetrasporic
(D) All of the above