1
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
The balloon-shaped structures called tyloses
A
are extensions of xylem parenchyma cells into vessels
B
originate in the lumen of vessels
C
are linked to the ascent of sap through xylem vessels
D
characterize the sapwood
2
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Cortex is the region found between -
A
endodermis and pith
B
endodermis and vascular bundle
C
epidermis and stele
D
pericycle and endodermis
3
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
Specialised epidermal cells surrounding the guard cells are called -
A
Lenticels
B
Complementary cells
C
Bulliform cells
D
Subsidiary cells
4
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Read the different components from (1) to (4) in the list given below and tell the correct order of the components with reference to their arrangement from outer side to inner side in a woody dicot stem :
(1) Secondary cortex
(2) Wood
(3) Secondary phoem
(4) Phellem
The correct order is :
A
(3), (4), (2), (1)
B
(4), (1), (3), (2)
C
(4), (3), (1), (2)
D
(1), (2), (4), (3)
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