Q. Organisms respond to stimuli i.e.

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Q. Daily changes in turgor pressure facilitates sleeping movements in

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Q. Arrangements of vascular bundles are effective to

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Q. Sponge bone comprises of cells

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Q. Bones are hard due to presence of

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Q. Chemotropism response is seen in

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Q. Endoskeleton is made up of

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Q. Liver-worts, mosses, ferns move towards archegonia following stimulus of

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Q. If herbaceous stem loose its turgidity, it may

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Q. Commercial cork is obtained from bark of a tree like

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Q. An organic substance which hardens secondary cell wall is usually impregnated with

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Q. Opening of bud is achieved when leaf in bud condition shows more

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Q. Molluscan body possess

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Q. Procuticle is further hardened by

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Q. Flowers of plant which close at night due to rapid growth in lower side is

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Q. Word tropic is a Greek word in which 'Tropos' mean

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Q. The plant can be de starched in

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Q. Carbon dioxide (CO₂) is reduced to carbohydrate (CₙH₂ₘOₘ) through

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Q. Light absorbed by chlorophyll is converted into

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Q. First stable form of carbohydrates (CₙH₂ₘOₘ) formed in photosynthesis is

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