1
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
A student wishes to study the cell structure under a light microscope having 10X eyepiece and 45X objective. He should illuminate the object by which one of the following colours of light so as get the best possible resolution ?
A
Yellow
B
Red
C
Blue
D
Green
2
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Centromere is required for -
A
Crossing over
B
Movement of chromosomes towards poles
C
Transcription
D
Cytoplasmic cleavage
3
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
A women with 47 chromosomes due to three copies of chromosome 21 is characterized by
A
triploidy
B
Down’s syndrome
C
superfemaleness
D
Turner’s syndrome
4
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Which one of the following makes use of RNA as a template to synthesize DNA -
A
Reverse transcriptase
B
DNA dependant RNA polymerase
C
RNA polymerase
D
DNA polymerase