Inflorescence is racemose in
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Solution
Inflorescence in family fabaceae (e.g., soyabean) is racemose.
•Inflorescence in family liliaceae (e.g., tulip, Aloe) issolitary/cymose; often umbellate.
•Inflorescence in family solanaceae (e.g.,brinjal) is solitary, axillary or cymose as in Solanum.
In a cymose inflorescence the main axis
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Solution
In cymose inflorescence, the growth of the main axis is definite because the growing point of peduncle is used up in the formation of a flower. Further growth of flowering axis is continued by one or more lateral branches which also end in flower.
How many plants among China rose,Ocimum, sunflower,mustard, Alstonia, guava,Calotropis and Nerium(Oleander)have opposite phyllotaxy?
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Solution
Phyllotaxy is the pattern of arrangement of leaves on the stem or branch.
•Ocimum, Guava, Calotropis have Opposite phyllotaxy
•China rose, Sunflower, mustard have Alternate phyllotaxy
•Alstonia, Nerium (Oleander) have whorled phyllotaxy
Amongflowers of Calotropis, tulip, Sesbania, Asparagus,Colchicine, Sweet pea, Petunia, Indigofera, Mustard,Soyabean, Tobacco and groundnut how many plants have corolla with valvate aestivation?
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Solution
Calotropis, tulip, Asparagus, colchicine, Petunia,mustard, tobacco having valvate aestivation while sweet pea, groundnut, soyabean, Indigofera, Sesbania having vexillary aestivation.
Among bitter gourd, mustard, brinjal, pumpkin, china rose,lupin, cucumber, sunhemp, gram, guava, bean, chilli, plum,Petunia, tomato, rose, Withania, potato, onion, Aloe and tuliphow many plants have hypogynous flower ?
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Solution
Mustard (cruciferae) , brinjal (solanaceae) china rose(malvaceae), lupin (leguminosae), gram (leguminosae),bean (leguminosae), chilli, Petunia, potato, tomato,Withania (solanaceae), onion,Aloe, tulip (liliaceae) are having hypogynous flower while bittergourd, cucumber(cucurbitaceae), guava (myrtaceae) are having epigynous flower and rose are having perigynous flower.
In china rose the flowers are :
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Solution
In china rose (Hibiscusrose-sinensis) flowers are actinomorphic , hypogynous and twisted aestivation in corolla.
During the post-fertilisation period the ovules develop into__________ and the ovary matures into a _________.
How many plants in the list given below have marginal placentation?Mustard, Gram, Tulip, Asparagus, Arhar, Sun hemp, Chilli,Colchicine,Onion, Moong, Pea, Tobacco, Lupin
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Solution
Marginal placentation is a placentation with ovules borne on the wall along the ventral suture of a simple ovary.Gram, Arhar,Sun hemp, Moong, Pea & Lupin belongs to fabaceae family that bears marginal placentation.
Which one of the following organisms is correctly matched with its three characteristics?
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Solution
Onion- Bulb, Underground stems, Imbricate aestivation,Axile placentation, Member of Liliaceae.
Which one of the following structures is not associated with gynoeium?