1
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Which of the following is the relatively most accurate method for dating of fossils ?
A
Radio-carbon method
B
Uranium-lead method
C
Potassium–argon method
D
Electron-spin resonance method
2
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
During transcription holoenzyme RNA polymerase binds to a DNA sequence and the DNA assumes a saddle like structure at the point. What is the sequence called ?
A
TATA box
B
GGTT box
C
CAAT box
D
AAAT box
3
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Protein synthesis in an animal cell occurs -
A
On ribosomes present in the nucleolus as well as in cytoplasm
B
On ribosomes presents in cytoplasm as well as in mitochondria
C
Only on the ribosomes present in cytosol
D
Only on ribosomes attached to the nuclear envelope and endoplasmic reticulum
4
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
De Vries gave his mutation theory on organic evolution while working on -
A
Althea rosea
B
Oenothera lamarckiana
C
Pisum sativum
D
Drosophila melanogaster