1
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Parkinson's disease (characterized by tremors and progressive rigidity of limbs) is caused by degeneration of brain neurons that are involved in movement control and make use of neurotransmitter
A
acetylcholine
B
norepinephrine
C
dopamine
D
norepinephrine
2
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
In a man, abducens nerve is injured. Which one of the following functions will be affected?
A
Movement of the eyeball
B
Movement of the tongue
C
Swallowing
D
Movement of the neck
3
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
In a type of apomixis known as advice embryony, embryos develop directly from the
A
nucellus or integuments
B
zygote
C
synergids or antipodals in an embryo sac
D
accessory embryo sacs in the ovule.
4
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Through which cell of the embryo sac, does the pollen tube enter the embryo sac?
A
Egg cell
B
Persistant synergid
C
Degenerated synergids
D
Central cell
EXAM MAP