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
Which one of the following is the example of the action of the autonomous nervous system?
A
Swallowing of food
B
Pupillary reflex
C
Peristalsis of the intestine
D
Knee-jerk response
3
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Which one of the following represents an ovule, where the embryo sac becomes horse-shoe shaped and the funiculus and micropyle are close to each other?
A
Amphitropous
B
Circinotropous
C
Atropous
D
Anatropous
4
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.