1
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Manipulation of DNA in genetic engineering became possible due to the discovery of : -
A
Transcriptase
B
DNA ligase
C
Primase
D
Restriction endonuclease
2
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
What is true for individuals of same species ?
A
Live in same habitat
B
Live in different habitat
C
Interbreeding
D
Live in same niche
3
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Wildlife is continuously decreasing. What is the main reason of this ?
A
Cutting down of fores
B
Predation
C
Hunting
D
Destruction of habitat
4
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Two different species can not live for long duration in the same niche or habitat. This law is : -
A
Competitive exclusion principal
B
Weiseman's theory
C
Allen's law
D
Gause's hypothesis