Radial symmetry is found in the flowers of
(1) Brassica
(2) Trifolium
(3) Pisum
(4) Cassia
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Free-central placentation is found in
(1) Dianthus
(2) Argemone
(3) Brassica
(4) Citrus
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Tricarpellary, syncarpous and gynoecium is found in flowers of
(1) Solanaceae
(2) Fabaceae
(3) Poaceae
(4) Liliaceae
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Cotyledon of maize grain is called
(1) coleorhiza
(2) coleoptile
(3) scutellum
(4) plumple
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Which of the following is not a stem modification?
(1) Thorns of citrus
(2) Tendrils of cucumber
(3) Flattened structures of Opunita
(4) Pitcher of Nepenthes
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Proximal end of the filament of stamen is attached to the
(1) connective
(2) placenta
(3) thalamus or petal
(4) anther
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Stems modified into flat green organs performing the functions of leaves are known as
(1) phyllodes
(2) phylloclades
(3) scales
(4) cladodes
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The standard petal of a papilionaceous corolla is also called
(1) pappus
(2) vexillum
(3) corona
(4) carina
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Roots play insignificant role in absorption of water in
1. sunflower
2. Pistia
3. pea
4. wheat
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Axile placentation is present in
1. dianthus
2. lemon
3. pea
4. Argemone
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