The last chromosome to be sequenced in HGP was

(a) the last chromosome of the human genome

(b)the first chromosome of the human genome

(c)chromosome I

(d)Both b and c

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The number of autosomal chromosomes in the human beings are

(a)44

(b)22

(c)2

(d)1

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How many of the following were the features of the Human Genome

1.99.9% bases are present are exactly same in all humans

2.all sequences were found to be coding sequences

3.Repeated sequences make up very large portion of the human genome

4.Repeated sequences are useful for chromosome structure, dynamics and evolution

5.The maximum no of genes were found to be present at the chromosome which was last sequenced

6.The fewest no of genes were found to be present at the chromosome which is present in male only.

(a)1

(b)2

(c)3

(d)5

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The locations in human genome which differ by a single base difference is known as

(a)Single nucleotide mutation

(b)Single nucleotide polymorphism

(c)RFLP

(d)Single nucleotide polymorphogenesis

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The largest known human gene is

(a)Dystropin protein gene on X chromosome

(b)Sry gene on Y chromosome

(c) Dystropin protein gene on Y chromosome

(d) Sry gene on X chromosome

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If an E.coli with heavy DNA allow to grow for 80 minutes in a culture
medium of 14 NH 4 Cl, then what would be the proportion of heavy,light and
hybrid densities DNA molecule respectively?
(A) 1/16 : 1/16 : 14/16
(B) 0/16 : 14/16 : 2/16
(C) 1/16 : 14/16 : 1/16
(D) 1/8 : 2/8 : 6/8

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Which of the following RNA polymerase catalyses the formation of transfer RNA in eukaryotes?

(a) RNA polymerase I                         (b) RNA polymerase II

(c) RNA polymerase I and II               (d) RNA polymerase III

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Out of 64 codons how many of them code for amino acids?

(a) 64                             (b) 20                             (c) 61                             (d) 32

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Circular DNA is found in:
(a) Viruses
(b) Bacteria, chloroplast and mitochondria
(c) Chloroplast and mitochondria alone
(d) All of these

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If in a DNA molecule cytosine is 18%, the percentage of adenine would be:

(a) 18%                (b) 32%                (c) 36%                (d) 64%

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