Q. Total number of vertebrae in a vertebral column is

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Q. Ball and socket joint is formed by bone

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Q. Earthworm posses another type of tubular excretory system called as

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Q. Lower two pairs of ribs are not attached to sternum and called as

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Q. Row of phalanges are attached to metacarpals which support

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Q. Displacement of set point in hypothalamus is due to

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Q. Mammals maintain a constant temperature range, which is about

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Q. Nephrons are arranged in distinct region of

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Q. In rainy season, part of plant act as photosynthetic organ and stores water is

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Q. Cleaning of blood is termed as

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Q. Tuft of cilia propels interstitial fluid into

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Q. Animals and plants have distributed themselves in a wide range of habitats due to

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Q. Rickets is disease which deform pelvis and bow legs of mostly

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Q. In earthworm excretory system, epithelium reabsorbs salts from

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Q. Components of living control system are

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Q. There are extensive stomata on upper surface of leaves in

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Q. Hormone aldosterone is secreted by

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Q. Skull, vertebrae, ribs and sternum together make up

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Q. Poikilotherms fluctuate more or less with

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Q. Hind limbs consist of

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