1
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
DDT residues are rapidly passed through food chain causing biomagnification because DDT is :
A
Moderately toxic
B
Water soluble
C
Non-toxic to aquatic animals
D
Lipo soluble
2
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Palisade parenchyma is absent in leaves of -
A
Mustard
B
Sorghum
C
Soybean
D
Gram
3
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
In barley stem vascular bundles are -
A
Closed and scattered
B
Closed and radial
C
Open and in a ring
D
Open and scattered
4
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
The annular and spirally thickened conducting elements generally develop in the protoxylem when the root or stem is -
A
Maturing
B
Widening
C
Elongating
D
Differentiating
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
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CBSE
Class 12