Which of the following has synandrous condition

(1) Colocasia

(2) Cucurbita

(3) Mimosa

(4) Ricinus

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Following is not true of monocots

(1) most of the food of the seed is stored in endosperm

(2) have parallel veins in their leaves

(3) flower parts occur in fours

(4) flower parts occur in threes

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Which floral family has (9) + 1 arrangement of anthers in the androecium?

(1) Malvaceae

(2) Rutaceae

(3) Fabaceae

(4) Caesal pinaceae

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Clove is a

(1) floral bud

(2) modified root

(3) auxillary bud

(4) seed

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Velamen is a specialized tissue found in

(1) aerial roots of orchids

(2) succulent leaves

(3) pneumatophores

(4) stilt roots

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Coconut's husk fibre, coir of commerce is extracted from

(1) epicarp

(2) mesocarp

(3) endocarp

(4) all of these

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When the filament runs throughout the length of anther, it is called

(1) adnate

(2) dorsi fixed

(3) versatile

(4) syngenesious

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Which of the following is the largest root parasite?

(1) Rafflesia

(2) Areuthobium

(3) Monotrapa

(4) Pistia

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The family containing mustard and its main characters are

(1) Brassicaceae - Tetramerous flowers, six stamens, bicarpellary gynoecium, siliqua type fruit.

(2) Brassicaceae - Pentamerous flowers, many stamens, pentacarpellary gynoecium, capsule type fruit

(3) Solanaceae - Pentamerous flowers, five stamens, bicarpellary gynoecium, berry type fruit

(4) Poaceae - Trimerous flowers, three stemens, monocarpellary gynoecium, caryopsis type of fruit

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Velamen present in orchids helps in

(1) absorption of nutrients from host plant

(2) respiration

(3) absorption of moisture from air

(4) synthesising food

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