1
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Cri-du-chat syndrome in humans is caused by the-
A
Loss of half of the long arm of chromosome 5
B
Loss of half of the short arm of chromosome 5
C
Trisomy of 21st chromosome
D
Fertilization of an XX egg by a normal Y-bearing sperm
2
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Jurassic period of the Mesozoic era characterized by-
A
Radiation of reptiles and origin of mammal like reptiles
B
Flowering plants and first dinosaurs appear
C
Gymnosperms are dominant plants and first birds appear
D
Dinosaurs become extinct and angiosperms appear
3
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Which one of the following amino-acids was not found to be synthesized in Miller's experiment ?
A
Aspartic acid
B
Alanine
C
Glycine
D
Glutamic acid
4
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
An important evidence in favour of organic evolution is the occurrence of-
A
Homologous organs onl
B
Homologous and vestigial organs
C
Homologous and analogous organs
D
Analogous and vestigial organs