1
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
Function of companion cells is :
A
Providing water to phloem
B
Loading of sucrose into sieve elements
C
Loading of sucrose into sieve elements by passive transport
D
Providing energy to sieve elements for active transport
2
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
The pathogen Microsporum responsible for ringworm disease in humans belongs to the same kingdom of organisms as that of
A
Taenia, a tapeworm
B
Wuchereria, a filarial worm
C
Rhizopus, a mould
D
Ascaris, a round worm.
3
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
Some vascular bundles are described as open because these :
A
are capable of producing secondary xylem and phloem
B
are not surrounded by pericycle
C
possess conjunctive tissue between xylem and phloem
D
are surrounded by pericycle but no endodermis
4
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
Biodiversity of a geographical region represents :
A
The diversity in the organisms living in the region
B
Species endemic to the region
C
Genetic diversity present in the dominant species of the region.
D
Endangered species found in the region