The last chromosome to be sequenced in HGP was
1. the last chromosome of the human genome
2. the first chromosome of the human genome
3. chromosome I
4. Both b and c
The number of autosomal chromosomes in the human beings are
1. 44
2. 22
3. 2
4. 1
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.
1. 1
2. 2
3. 3
4. 5
The locations in human genome which differ by a single base difference is known as
1. Single nucleotide mutation
2. Single nucleotide polymorphism
3. RFLP
4. Single nucleotide polymorphogenesis
The largest known human gene is
1. Dystropin protein gene on X chromosome
2. Sry gene on Y chromosome
3. Dystropin protein gene on Y chromosome
4. Sry gene on X chromosome
Which of the following RNA polymerase catalyses the formation of transfer RNA in eukaryotes?
1. RNA polymerase I
2. RNA polymerase II
3. RNA polymerase I and II
4. RNA polymerase III
Out of 64 codons how many of them code for amino acids?
1. 64
2. 20
3. 61
4. 32
Isotopes used in proving semiconservative replication of DNA were:
1. 14N 14C
2. 14N 15N
3. 14N 31P
4. 14C 31P
Bacterial nucleoid has:
1. One single-stranded DNA
2. One double-stranded DNA
3. Two single-stranded DNA
4. Many double-stranded DNAs
Column-I Column-II
I. Operator site (A) Binding site for RNA polymerase
II. Promoter site (B) Binding site for repressor molecule
III. Structural gene (C) Codes for enzyme protein
IV. Regulator gene (D) Code for repressor molecules
The correct match is:
1. I - B, II - A, III - C, IV - D
2. I - B, II - A, III - D, IV - C
3. I - D, II - C, III - A, IV - B
4. I - B, II - C, III - A, IV - D