In ginger vegetative propagation occurs through

(1) rhizome

(2) offsets

(3) bulbils

(4) runners

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Plants, which produce characteristic pneumatophores and show vivipary belong to

(1) mesophytes

(2) halophytes

(3) psammophytes

(4) hydrophytes

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Root hairs develop from the region of

(1) maturation

(2) elongation

(3) root cap

(4) meristematic activity

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In Bougainvillea thorns are the modifications of

(1) stipules

(2) adventitious root

(3) stem

(4) leaf

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Coconut fruit is a

(1) drupe

(2) berry

(3) nut

(4) capsule

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The term 'polyadelphous' is related to 

(1) gynoecium

(2) androecium

(3) corolla

(4) calyx

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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

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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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