Coconut's husk fibre, coir of commerce is extracted from
1. epicarp
2. mesocarp
3.endocarp
4. all of these
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhen the filament runs throughout the length of anther, it is called
(1) adnate
(2) dorsi fixed
(3) versatile
(4) syngenesious
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is the largest root parasite?
(1) Rafflesia
(2) Areuthobium
(3) Monotrapa
(4) Pistia
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe 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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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyVelamen 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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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich among the following is a rootless plant?
(1) Nymphaea
(2) Sagittaria
(3) Ceratophyllum
(4) Vallisneria
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyComposite fruit develops from
(1) single ovary
(2) inflorescence
(3) apocaropous ovary
(4) pericarp
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyCocoa 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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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe cells of the quiescent centre are characterised by
(1) having dense cytoplasm and prominent nuclei
(2) having light cytoplasm and small nuclei
(3) dividing regularly to add to the corpus
(4) dividing regularly to add to tunica
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is true?
(1) Umbel is a racemose inflorescence where all stalked flower aggregate on the flat receptacle.
(2) Raceme is a racemose inflorescence having main axis shortened & flower born acropetally.
(c) Spadix is a racemose inflorescence having pendulous spike with main axis much flattened.
(d) Spike is a racemose inflorescence having sessile flowers
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology