10th Class Biology Chapter 5 Test05. Nervous system

Q1. Multiple choice questions (Attempt all · 10 × 1 = 10)

1. Which hormone increases calcium levels in blood?
   1. Parathormone
   2. Calcitonin
   3. Thyroxine
   4. Insulin
2. Which nervous system controls involuntary actions?
   1. Somatic
   2. Autonomic
   3. Sympathetic
   4. Parasympathetic
3. Growth hormone deficiency in childhood causes:
   1. Gigantism
   2. Pituitary dwarfism
   3. Acromegaly
   4. Diabetes mellitus
4. Which neurotransmitter is involved in muscle contraction and hormone release?
   1. Epinephrine
   2. Glycine
   3. Serotonin
   4. All of these
5. Axon endings are highly branched structures called:
   1. Dendrites
   2. Synapses
   3. Terminals
   4. Nodes
6. The plural of stimulus is:
   1. Stimulas
   2. Stimuluses
   3. Stimuli
   4. Stimulons
7. Synapses allow communication between neurons in the:
   1. CNS only
   2. PNS only
   3. Both CNS and PNS
   4. Endocrine system
8. Nerve impulse is best described as:
   1. chemical
   2. electrical
   3. osmotic
   4. electrochemical
9. Glucagon is secreted by:
   1. Alpha cells of pancreas
   2. Beta cells of pancreas
   3. Thyroid gland
   4. Adrenal cortex
10. Which of the following is an example of internal stimulus?
    1. Smell of food
    2. Level of glucose in the blood
    3. Vision
    4. Touch