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Biology /
Chap No 12 /
Quiz 2

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MDCAT Past Papers - NMDCAT - Biology - Chap No 12 Quiz

Attempt 10 MCQs on MDCAT Past Papers - NMDCAT - Biology - Chap No 12 | Quiz 2

11. Which of the following is incorrect statement about axons?

nissl's granules are present
can be a meter long
carries impulses towards effectors
all are correct

12. What is nature of motor neurons that conduct impulses away from the nervous system?

unipolar
Multipolar
pseudounipolar
bipolar

13. The speed of nerve impulse in myelinated nerves is many time higher than non-myelinated nerves due to:

Saltatory conduction
myelinated neurons use more energy
continuous impulse
myelinated fibres are thin

14. Which of the following neurotransmitter function, Both as neurotransmitter and hormones decreasing our perception of pain?

Epinephrine
Serotonin
Dopamine
Endorphins

15. A — is a junction between two neurons or between a motor neuron and a muscle cell:

Epinephrine
Serotonin
Synaptic knob
Dopamine

16. The terminal part of axon of one neuron forming synapse with the other neuron ends in:

Dendrite of next neuron
post synaptic neuron
synaptic knob
a & b

17. Memory loss occurs in which disease?

parkinson's disease
alzheimer's disease
alzheimer's disease
occur in all

18. Which one is example of steroid hormone?

Cortisol
testosterone
estrogen
all of above

19. Glucagon is released from:

Liver
islets of Langerhans
spleen
exocrine cells of pancreas

20. Which hormone is not secreted by placenta?

LH
progesterone
estrogen
all are secreted by placenta

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