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Biology X | How do Organisms Reproduce?
How do Organisms Reproduce? Reproduction is the process by which living organism produce new individuals similar to themselves. Reproduction ensured continuity of life on earth. It involves continuation of characters from the parents to daughter cells by copying of DNA (deoxyribose Nucleic Acid) molecules present in the chromosomes of the cell. The DNA…
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CBSE Sample Paper for Class X Science
Time: 3hrs MM: 90 General instructions: The question paper comprises of two sections, A & B. you are to attempted both the sections. All the questions are compulsory. There is no overall choice. However, internal choice has been provided in all the five questions of five marks category. Only one option in each question is…