Tiêu đề ENCOUNTER FREE TEST 2 (20.11.2024) ANSWER KEY.pdf ✅

1 STAR POLICE ACADEMY, SI–2024, ENCOUNTER TEST BATCH – (FREE TEST – 2) - 9363459430 TNUSRB – SUB INSPECTOR– 2024 ENCOUNTER TEST BATCH FREE TEST - 2 GENERAL SCIENCE DATE:20.11.2024 (Time: 1 Hour 40 Minutes) 1. Statement 1: Carbon is the Latin word 'carbo' Statement 2: Carbon was discovered by Antony Lavassier a) Only 1 is correct b) Only 2 is correct c) Both are correct d) Both are wrong $w;W 1: fhu;gd; vd;gJ ‘fhu;Ngh’ vd;w yj;jpd; thh;j;ijahFk; $w;W 2: Mz;lhdp ythrpau; vd;gtu; fhu;gidf; fz;Lgpbj;jhu; a) 1 kl;Lk; rhp b) 2 kl;Lk; rhp c) ,uz;Lk; rhp d) ,uz;Lk; jtW 2. Statement 1: Compounds of carbon are classified as organic carbon compounds and inorganic carbon compounds. Statement 2: Frederick Haller was the first to discover urea crystals a) Both are correct b) Both are wrong c) Only 1 is correct d) Only 2 is correct $w;W 1: fupk fhu;gd; Nru;kq;fs;> fdpk fhu;gd; Nru;kq;fs; vd fhu;gdpd; Nru;kq;fs; tifg;gLj;jg;gLfpd;wd. $w;W 2: gpunlupf; N`yu; vd;gtu; A+hpah gbfq;fis Kjd; Kjypy; fz;Lgpbj;jhh; a) ,uz;Lk; rhp b) ,uz;Lk; jtW c) 1 kl;Lk; rhp d) 2 kl;Lk; rhp
2 STAR POLICE ACADEMY, SI–2024, ENCOUNTER TEST BATCH – (FREE TEST – 2) - 9363459430 3. Who is called the "Father of Modern Organic Chemistry". a) Antony Lavoisier b) Frederick Haler c) Frankish's d) Mendeleev “etPd fupk Ntjpapaypd; je;ij” vd miof;fg;gLgtu; ahu; a) Mz;ldp yhta;rpau; b) gpunlupf; N`yu; c) gpuhd;fp]pd; d) nkz;lypg; 4. Statement 1: Carbon has five face bonds Statement 2: Carbon has Allotropic form a) Only 1 is correct b) Only 2 is correct c) Both are correct d) Both are wrong $w;W 1: fhu;gd; Ie;J Kf gpizg;igf; nfhz;lJ MFk; $w;W 2: fhu;gd; Gw Ntw;Wik tbtj;Jtk; nfhz;lJ a) 1 kl;Lk; rhp b) 2 kl;Lk; rhp c) ,uz;Lk; rhp d) ,uz;Lk; jtW 5. An element has a different composition and the same molecular weight. a) Substitution b) Allotropic form c) Chaining d) Crystallization xU jdpkk; NtWgl;l mikg;igAk; xNu %yf;$W tha;g;ghl;ilAk; nfhz;bUg;gJ. a) khw;wpak; b) GwNtw;Wik tbtk; c) rq;fpypj; njhluhf;fk; d) gbfkhf;fy; 6. Primary organs of photosynthesis are a) Sunlight b) Leaves c) Stem d) Root xspr;Nru;f;if eilngWk; Kjd;ik gFjp a) #upa xsp b) ,iyfs; c) jz;L d) Ntu;fs; 7. Excess carbon causes the formation of organic compounds is a) Allotropic form b) Substitution c) Four parallelism d) Chaining fhu;gd; mjpfg;gbahd fupkr; Nru;kq;fis cUthf;f fhuzk; a) GwNtw;Wik tbtk; b)khw;wpak; c) ehd;F ,izj;jpwd; d) rq;fpypj; njhluhf;fk;
3 STAR POLICE ACADEMY, SI–2024, ENCOUNTER TEST BATCH – (FREE TEST – 2) - 9363459430 8. Statement 1: Diamond is an excellent conductor of electricity Statement 2: Diamond has no unpaired electrons a) Only 1 is correct b) Only 2 is correct c) Both are correct d) Both are wrong $w;W 1: ituk; xU rpwe;j kpd; flj;jp MFk; $w;W 2: ituj;jpy; fl;Lwh vyf;uhd;fs; ,y;iy a) 1 kl;Lk; rhp b) 2 kl;Lk; rhp c) ,uz;Lk; rhp d) ,uz;Lk; jtW 9. Absence of double bond in dichloromethane is fPof;fz;ltw;Ws; ,ul;ilg; gpizg;G ,y;yhjJ a) CO2 b) C2H2 c) HCL d) O2 10.the most toxic of all the poisons is a) Carbon-dioxide b) Carbon monoxide c) Calcium carbonate d) Sodium bicarbonate fPof;fz;ltw;Ws; mjpf er;Rj;jd;ik tha;e;jJ a) fhu;gd;-il-Mf;i]L b) fhu;gd; Nkhdhf;irL c) fhy;rpak; fhu;gNdl; d) Nrhbak; ig fhu;gNdl; 11.A resin made of polycarbonate (PC) and acrylonitrile butadiene resin (AB) is not a resin of which code? ghypfhu;gNdl; (PC) kw;Wk; mf;iuNyh iel;iuy; gpAl;lhil4 STAR POLICE ACADEMY, SI–2024, ENCOUNTER TEST BATCH – (FREE TEST – 2) - 9363459430 13.Graphene is made of monolayer carbon atoms a) Diamond b) Fullerene c) Graphite d) Gaseous carbon xuLf;F fhu;gd; mZf;fshy; Md fpuhgPd; vjpypUe;J fpilf;fpwJ a) ituk; b) /Gy;yupd; c) fpuh/igl; d) thA fhu;gd; 14.National Pollution Control Day was introduced in which year? Njrpa khR fl;Lg;ghl;L jpdk; ve;j Mz;L nfhz;Ltug;gl;lJ? a) 1981 b) 1982 c) 1983 d) 1984 15.What does a Nano meter mean? a) 10-7 m b) 10-8 m c) 10-6 m d) 10-9 m xU ehNdh kPl;lu; vd;gJ vjidf; Fwpf;Fk; a) 10-7 kPl;lu; b) 10-8 kPl;lu; c) 10-6 kPl;lu; d) 10-9 kPl;lu; 16.What happens in an electrochemical cell with a countercurrent gate? a) Oxidation b) Condensation c) Neutralization d) Chain link xU kpd; Ntjpf; fyj;jpy; vjpu; kpd;thahy; vd;d epfOk; a) Mf;]p[Ndw;wk; b) xLf;fk; c) eLepiyahf;fk; d) rq;fpyp ,izg;G 17.Which isotope is used to determine the age of dead animals? a) Carbon b) Iodine c) Phosphorus d) Oxygen ,we;j tpyq;Ffspd; taijj; jPu;khdpf;f ve;j INrhNlhg;G gad;gLfpwJ. a) fhu;gd; b) mNahbad; c)gh];gu]; d) Mf;]p[d; 18.Which of the following does not apply in terms of natural paint? a) Potato b) Beetroot c) Carrot d) Yellow fPo;fz;ltw;Ws; ,aw;if rhaq;fspy; nghUe;jhjJ vJ? a) cUisf; fpoq;F b) gPl;Ul; c) Nful; d) kQ;rs; 19.Which of the following protects us from deficiency diseases? a) Carbohydrate b) Vitamins c) Proteins d) Fats fPo;fz;l vit ek;ik Fiwg;ghl;L Neha;fspypUe;J ghJfhf;fpwJ? a) fhu;Nghi`l;Nul; b) itl;lkpd;fs; c) Gujq;fs; d) nfhOg;Gfs;