Class X

Book of Charles Darwin "On Origin of Species by means of Natural Selection" was published in
  1. 1868
  2. 1859
  3. 1862
  4. 1864
Law which states that offspring gets genes in pairs as of male and female gametes is called
  1. law of segregation
  2. law of assortment
  3. law of independent assortment
  4. law of dependent assortment
Scientists who proposed DNA (Deoxyribonucleic Acid) structures are
  1. Francis Crick and James Watson
  2. James Crick and Francis Watson
  3. Marie Curie and Niels Bohr
  4. Nikola Tesla and Marie Curie
Part of DNA (Deoxyribonucleic Acid) that have instructions for synthesis of specific protein is called
  1. mitotic nucleus
  2. gene
  3. chromosome
  4. ribosome
Units of inheritance carried by chromosomes are called
  1. genes
  2. nucleotide
  3. oogenesis
  4. spermatogenesis
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