In Bougainvillea, thorns are the modifications of

(1) stipules

(2) adventitious root

(3) stem

(4) leaf

Subtopic:  Morphology of Stems | Aerial Stem Modification |
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Coconut fruit is a

(1) drupe

(2) berry

(3) nut

(4) capsule

Subtopic:  Fruits & their Types |
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The term 'polyadelphous' is related to 

(1) gynoecium

(2) androecium

(3) corolla

(4) calyx

Subtopic:  Parts of Flower: II | Flower & Parts of Flower |
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How many plants among Indigofera, Sesbania, Salvia, Allium, Aloe, mustard, groundnut, raddish, gram and turnip have stamens with different lengths in their flowers?

(1) Three

(2) Four

(3) Five

(4) Six

Subtopic:  Flower & Parts of Flower: I | Flower & Parts of Flower |
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Radial symmetry is found in the flowers of 

(1) Brassica

(2) Trifolium

(3) Pisum

(4) Cassia

Subtopic:  Flower & Parts of Flower: I | Flower & Parts of Flower |
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Free-central placentation is found in

(1) Dianthus

(2) Argemone

(3) Brassica

(4) Citrus

Subtopic:  Parts of Flower: III | Flower & Parts of Flower |
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Tricarpellary, syncarpous and gynoecium is found in flowers of

(1) Solanaceae

(2) Fabaceae

(3) Poaceae

(4) Liliaceae

Subtopic:  Families of Flowering Plant: I | Families of Flowering Plant |
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Cotyledon of maize grain is called

(1) coleorhiza

(2) coleoptile

(3) scutellum

(4) plumple

Subtopic:  Seed |
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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

 

Subtopic:  Morphology of Stems | Aerial Stem Modification |
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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

Subtopic:  Parts of Flower: II | Flower & Parts of Flower |
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