1
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Photosynthesis in C4 plants is relatively less limited by atmospheric CO2 levels because
A
effective pumping of CO2 into bundle sheath cells
B
RuBisCo in C4 plants has higher affinity for CO2
C
four carbon acids are the primary intial CO2 fixation products
D
the primary fixation of CO2 is mediated via PEP carboxylase.
2
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
At what stage of the cell cycle are histone proteins synthesized in a eukaryotic cell?
A
During G2 stage of prophase
B
During S-phase
C
During entire prophase
D
During telophase
3
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
In a woody dicotyledonous tree, which of the following parts will mainly consist of primary tissues ?
A
Shoot tips and root tips
B
Flowers, fruit and leaves
C
Stem and root
D
All parts
4
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Golden rice is a transgenic crop of the future with the following improved trait -
A
High lysine (essential amino acid) content
B
High protein content
C
Insect resistance
D
High vitamin – A content