1
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
2
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Anatomically fairly old dicotyledonous root is distinguished from the dicotyledonous stem by :
A
Absence of secondary phloem
B
Presence of cortex
C
Position of protoxylem
D
Absence of secondary xylem
3
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Which one of the following correctly described the location of some body parts in the earthworm Pheretima ?
A
Two pairs of testes in 10th and 11th segments.
B
One pair of ovaries attached at intersegmental septum of 14th and 15th segments.
C
Two pairs of accessory glands in 16–18 segments
D
Four pairs of spermathecae in 4–7 segments
4
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
The kind of tissue that forms the supportive structure in our pinna (external ears) is also found in -
A
vertebrae
B
tip of the nose
C
ear ossicles
D
nails
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