9-sinflar uchun kirish testi

9-sinflar uchun biologiya fanidan kirish testi. 1. bakteriyali filtrdan o’ta oladigan tuzilma. a) viruslar, b) sprillalar, c) tuban zambirig’lar, d) sionobakteriyalar. 2. bakteriyafag nima? a) bakteriyalarning shakli har hil bo’lishi, b) bakteriyalar qo’zg’atadigan kasallik nomi, c) bakteriyalarning ko’payish turi, d) bakteriyalarni o’ldiruvchi virus. 3. xromatinning kimyoviy tarkibini aniqlang. a) dnk, polisaxarid, b) oqsil, nuklein kislota, c) dnk, oqsil, d) nuklein kislota, murein. 4. qaysi organoidlar tarkibida dnk bo’ladi? a) lizosoma, mitoxondriya, b) ribosoma,yadro, c) xloroplast, mitoxondriya, d) leykoplast,golji majmui. 5. virus (1), bakteriya (2) lar qo’zg’atuvchi kasalliklarni toping. 1) qutirish, 2) qizilcha, 3) o’lat, 4) kuydurgi, 5) vilt, 6) zang. a) (1)-4,6; (2)-1,2; b) (1)-...

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