1
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Which of the following statement is correct for node of Ranvier of nerve?
A
Neurilemma is discontinuous
B
Myelin sheath is discontinuous
C
Both neurilemma and myelin sheath are discontinuous
D
Covered by myelin sheath
2
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
What is the direction of micropyle in anatropous ovule?
A
Upwards
B
Downward
C
Right
D
Left
3
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
In angiosperm all the four microspores of tetrad are covered by a layer which is formed by
A
pectocellulose
B
callose
C
cellulose
D
sporopollenin.
4
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
In angiosperms pollen tube liberate their male gametes into the
A
central cell
B
antipodal cells
C
egg cell
D
synergids.