1
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
A woman with normal vision, but whose father was colour bind, marries a colour blind man. Suppose that the fourth child of this couple was a boy. This boy -
A
May be colour blind or may be normal vision
B
Must have normal colour vision
C
Must be colour blind
D
Will be partially colour blind since he is heterozygous for the colour blind mutant allele.
2
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Telomerase is an enzyme which is a -
A
RNA
B
Repetitive DNA
C
Simple protein
D
Ribonucleoprotein
3
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Which one of the following hydrolyses internal phosphodiester bonds in a polynucleotide chain ?
A
protease
B
Endonuclease
C
Lipase
D
Exonuclease
4
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Which of the following is not a hereditary disease ?
A
Cretinism
B
Cystic fibrosis
C
Haemophilia
D
Thalasasemia