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Q. No.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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Which among the following is a rootless plant?
(1) Nymphaea
(2) Sagittaria
(3) Ceratophyllum
(4) Vallisneria
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Composite fruit develops from
(1) single ovary
(2) inflorescence
(3) apocaropous ovary
(4) pericarp
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Cocoa is the plant from which chocolate is made. Which part is used to extract it?
(1) Flower
(2) Fruit
(3) Seeds
(4) Bark
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