1
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
Change Language
Gymnosperms are also called soft wood spermatophytes because they lack
A
Cambium
B
Thick - walled tracheids
C
Phloem fibres
D
Xylem fibres
2
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
Change Language
Closed vascular bundles lack
A
Ground tissue
B
Conjunctive tissue
C
Cambium
D
Pith
3
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
Change Language
Companion cells are closely associated with
A
Sieve elements
B
Trichomes
C
Vessel elements
D
Guard cells
4
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
Change Language
For transformation, micro - particles coated with DNA to be bombarded with gene are made up of
A
Gold or Tungsten
B
Platinum or zinc
C
Silver or platinum
D
Silicon or platinum