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

(a) sunflower

(b) Pistia

(c) pea

(d) wheat

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Axile placentation is present in

(a) dianthus                    (b) lemon

(c) pea                           (d) Argemone

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Among China rose, mustard, brinjal, potato, guava, cucumber, onion and tulip, how many plants have superior ovary?

(a) Five                          (b) Six

(c) Three                        (d) Four

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