Q2 State whether the given statements are true or false. (10x1=1 (i) The S.I. unit of pressure is newton. (ii) Air pressure increaşes with increase in altitude. We sprinkle powder on the carrom board to reduce friction. (iii) (iv) The object with a streamlined shape experiences more friction. (v) The voice of a man is more shrill than that of a woman. (vi) Natural fibres are obtained from natural resources such as coal and petroleur (vii) Both bacteria and fungi are used in the preparation of antibiotics. (viii) All types of mushroom are edible. (ix) Synthetic fibres have the ability to absorb moisture well. (x) Our earth is rich in biodiversity.
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(i)The SI Unit for pressure is the Pascal. False
(ii)Air pressure decreases with increase in altitude. False
(iii)We sprinkle powder on carrom board to reduce friction. True
(iv)The objects with a streamlined shape experience less friction. False
(v)The voice of a man is less shriller compared to that of a woman. False
(vi)Natural fibres are obtained from plants and animals. False
(vii)Both bacteria and fungi are used in the preparation of antibiotics. True
(viii)All mushrooms are not edible. False
(ix)Synthetic fibres do not absorb moisture. False
(x)Our Earth is rich in biodiversity. True
Hope it helps.
Richik Das
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