Q. Photo tactic movement helps chloroplast to retain maximum light for

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Q. Turgor pressure keeps plant rigid and resistant to

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Q. Vascular bundles possesses bundle cap to strengthened additionally in

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Q. Sclerenchymatous cells are heavily lignified cells in

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Q. If entire cell or organism show response to stimulus of light, phenomenon is

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Q. Compact bone constitutes outer shell and provides attachment site for

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Q. Major role in movements in plants is of

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Q. Passive movements of chloroplast is an example of positive tactic movement due to

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Q. Growth of roots towards water is positive hydrotropism if it grows towards

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Q. Bones and cartilages are composed of protein known as

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Q. External pinnae of ear and epiglottis is formed by

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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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