cbse sample paper class 12 biology set 5 general instructions 1 there are total 26 questions and five sections in the question paper all questions are compulsory 2 section a ...
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...Cbse sample paper class biology set general instructions there are total questions and five sections in the question all compulsory section a contains number to very short answer type of mark each b i marks c ii d value based e long is no overall choice however an internal provided one three these examinee attempt any two given alternatives how many chromosomes do drones honey bees possess name cell division involved production sperms by them what cistron retroviruses have dna infected host does viral it possible why children cured enzyme replacement therapy adenosine deaminase deficiency need periodic treatment list advantages use unleaded petrol automobiles as fuel moss plants produce large male gametes provide reason called select homologous structures from combinations below forelimbs whales bats tuber potato sweet iii eyes octopus mammals iv thorns bougainvillea tendrils cucurbita state kind evolution they represent raised through micropropagation termed somaclones mention this te...