Q1) Put a tick mark against the corredct alternative in th following statements :
(a) Identify the part which contain pigment:
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Cell membrane
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Plastid
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centrosome
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Cell wall
(b) The organelle that controls all activities in
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nucleus
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vacuole
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Plastids
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cytoplasm
(c) A cell that is spherical in shape is:
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white blood cell
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nerve cell
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red blood cell
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amoeba
(d) The vacuole contains:
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water
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cell sap
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salts
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food