1
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Change Language
Tracheids differ from other tracheary elements in :
A
being imperforate
B
having casparian strips
C
lacking nucleus
D
being lignified
2
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Change Language
You are given a fairly old piece of dicot stem and a dicot root. Which of the following anatomical structures will you use to distinguish between the two?
A
Secondary xylem
B
Protoxylem
C
Secondary phloem
D
Cortical cells
3
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Change Language
Bundle sheath cells :
A
lack both RuBisCo and PEP carboxylase
B
are rich in PEP carboxylase
C
are rich in RuBisCo
D
lack RuBisCo
4
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following statements is not true for stomatal apparatus ?
A
Stomata are involved in gaseous exchange
B
Inner walls of guard cells are thick
C
Guard cells invariably posses chloroplasts and mitochondria
D
Guard cells are always surrounded by subsidiary cells
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