1
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
A gene whose expression helps to identify transformed cell is known as
A
Selectable marker
B
Plasmid
C
Vector
D
Structural gene
2
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
Mycorrhizae are the example of :
A
Fungistasis
B
Antibiosis
C
Mutualism
D
Amensalism
3
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
DNA fragments are
A
Positively charged
B
Either positively or negatively charged depending on their size
C
Neutral
D
Negatively charged
4
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
Which ecosystem has the maximum biomass ?
A
Pond ecosystem
B
Lake ecosystem
C
Grassland ecosystem
D
Forest ecosystem