1
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
The length of different internodes in a culm of sugarcane is variable because of:
A
shoot apical meristem
B
position of axillary buds
C
size of leaf lamina at the node below each internode
D
intercalary meristem
2
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
For a critical study of secondary growth in plants, which one of the following pairs is suitable ?
A
Deodar and fern
B
Wheat and maiden hair fern
C
Sugarcane and sunflower
D
Teak and pine
3
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
Passage cells are thin-walled cells found in:-
A
Endodermis of roots facilitating rapid transport of water from cortex to pericycle
B
Testa of seeds to enable emergence of growing embryonic axis during seed germination.
C
Phloem elements that serve as entry points for substances for transport to other plant parts
D
Central region of style through which the pollen tube grows towards the ovary.
4
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
A common structural feature of vessel elements and sieve tube elements is-
A
Enucleate condition
B
Presence of p-protein
C
Thick secondary walls
D
Pores on lateral wall
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