1
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
The cork cambium, cork and secondary cortex are collectively called :
A
Periderm
B
Phellem
C
Phellogen
D
Phelloderm
2
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
Transport of food material in higher plants takes place through -
A
Sieve elements
B
Transfusion tissue
C
Companion cells
D
Tracheids
3
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Which one of the folliwng is not a lateral meristem ?
A
Interfascicular cambium
B
Intercalary meristem
C
Intrafascicular cambium
D
Phellogen
4
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Heartwood differs from sapwood in –
A
Having dead and non-conducting elements
B
Being susceptible to pests and pathogens
C
Presence of rays and fibres
D
Abscence of vessels and parenchyma
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