51. Which of the following statements are correct about Homo erectus?
1. Had a large brain around 900cc.
2. Appeared about 1.5 million years ago.
3. Ate meat, i.e; omnivorous.
4. Evolved from Homo habilis.
Choose the correct option.
1. Had a large brain around 900cc.
2. Appeared about 1.5 million years ago.
3. Ate meat, i.e; omnivorous.
4. Evolved from Homo habilis.
Choose the correct option.
52. If the haploid chromosome complement of Raphanus is represented by R, and that of Brassica by B, then the chromosome complement of the F2 tetraploid will be
53. The structural genes transcribe mRNA and synthesize enzymes called
54. Who among the following condemned the special creation theory by saying that earth has not always been inhabited by the plants and animals as we know now?
55. The starting material for larger 55 Kb artificial yeast chromosomes was
56. A cross between homozygous recessive and heterozygous plant is
57. Which of the following experiments suggests that the simplest-living organisms could not have originated spontaneously from non-living matter?
58. The transposable elements that may be used as vectors for gene-cloning are the
59. Which of the following actions takes place during regulation of protein synthesis when the corepressor is present?
60. A pair of genes representing the two alternatives of the same character and located at the same locus in the homologous chromosomes are known as
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