A certain sum of money at simple interest amounts ro 2800 in 2 years and to 3220 in 5 years the rate of interest p.A is
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Q.6 Stinging hair of nettle leaves inject (A) acetic acid (B) methanoic acid (C) citric acid (D) tartaric acid Q.7 The general formula of alkane series is (A) CnH2n-2 (B) CnH2n Q.8 The smallest blood vessel in the body is a (A) Capillary (B)Artery (C) Vena cava (D) Vein Q.9 Where is bile produced? CnH2n+2 (D) CnH2n+4 (A) In gall bladder (B) In blood (C) In liver Q.10 Ovum is fertilized in (D) In spleen (A) Vagina (B) Uterus (C) Fallopian tube (D) Ovary Q.11 Which of the following is plant hormone ? (A) insulin (B) thyroxine (C) oestrogen (D) cytokinin Q.12 The ability of cell to divide into several cells during reproduction in plasmodium is called [1] (A) budding (C) Multiple fission Q.13 S.I. Unit of current is [1] (C) Volt. (D) Watt. (A) Ampere. (B) Coulomb. Q.14 When the current in a wire moves from south to north, the direction of the deflection in the magnetic needle placed parallel to the wire and above it will be [1] (A) towards west (B) towards east (C) towards south (D) No deflaction. ΞΞΞΞΞΞ (B) reproductive division (D) Binary fission