Match the reaction given in column I with the statements given in column II.

Match the terms given in column I with their descriptions given in column II and select the correct option from the codes given below. {:(,"Column-I",,"Column-II"),((A),"Out-crossing",(i),"Mating of closely related individuals within the same breed"),((B),"Interspecific hybridisation",(ii),"Mating of animals of same breed but having no common ancestors on either side of their pedigree for 4-6 generations"),((C),"Cross-breeding",(iii),"Mating of animals of two different species"),((D),"Inbreeding",(iv),"Mating of animals belonging to different breeds"):}

Match the terms given in column I with their definitions in column II and select the correct answer from codes given below. {:(Column I,Column II),(A."Transformation",(i)"Sequences cut by restriction enzymes"),(B."Recognition site",(ii)"Process by which DNA fragments are separated based on their size"),(C."Gel electrophoresis",(iii)"Plasmid DNA that has incorporated human DNA"),(D."Recombinant DNA",(iv)"Process by which bacteria take up pieces of DNA from the environment"):}

Match the animals given in column A with their location in column B. {:(,"Column A",,"Column B"),((i),"Dodo",A.,"Africa"),((ii),"Quagga",B.,"Russia"),((iii),"Thylacine",C.,"Mauritius"),((iv),"Stellar's sea cow",D.,"Australia"):} Choose the correct match from the following. (a) i-A, ii-C, iii-B, iv-D (b) i-D, ii-C, iii-A, iv-B (c) i-C, ii-A, iii-B, iv-D (d) i-C, ii-A, iii-D, iv-B

Match the types of bacteria listed under column I with their activity given in column II. Choose the answer which given the correct combination of alphabets of the two columns:

Match the organisms given in column I with their mode of reproduction in column II and select the correct answer from the codes given below. {:("Column I", "Column II"),("Potato", (i) "Zoospores"),("Spirogyra", (ii) "Stem cuttings"),("Rose" ,(iii)"Conidiospores"),("Penicillium",(iv)"Stem tubers"):}

Match the cell organelles given in column I with cellular prosesses in column II and select the correct option from the codes given below. {:(,"Column I",,"Column II"),(A.,"Lysosomes",(i),"Protein synthesis"),(B.,"Ribosomes",(ii),"Hydrolytic activity"),(C.,"Smooth endoplasmic reticulum",(iii),"Steroid synthesis"),(D.,"Centriole",(iv),"Formation of spindle"):}

Match the compounds in column I with their functions in Column II correctly :

Match the excretory organs listed under column I with the animals given under column II and select the correct option. {:(Column I,Column II),("(Excretory organs)",("Animals")),(A."Nephridia",(i)"Hydra"),(B."Malpighian tubules",(ii)"Leech"),(C."Protonephridia",(iii)"Shark"),(D."Kidneys",(iv)"Roundworms"),(,(v)"Cockroach"):}

Match the contraceptive methods given under column-1 with their example given under column-2, select the correct option from those given below

Match the items of column I and column II.