10th Samacheer Quiz

Q1. Which cerebral lobe primarily processes visual information?

Occipital lobe Frontal lobe Temporal lobe Parietal lobe

Q2. The functional unit of the nervous system is the neuron.

Neuron Nephron Alveolus Platelet

Q3. An effector is commonly a:

Muscle or gland Neuron only Red blood cell Bone only

Q4. What does the medulla oblongata regulate?

Involuntary functions such as heartbeat and breathing Only memory Writing Only colour recognition

Q5. The sympathetic division is generally associated with:

Fight-or-flight response Rest-and-digest response Only digestion Only sleep

Q6. What is the function of a receptor cell?

Detect a stimulus and initiate a signal Only produce hormones Blood clotting Store urine

Q7. Rapid opening of Na⁺ channels during a neuronal impulse contributes to:

Depolarization Digestion Blood clotting Osmosis only

Q8. The somatic nervous system is mainly associated with:

Voluntary skeletal muscle control and sensory input Digestive glands only Heartbeat only Kidney filtration

Q9. Pulling the hand away quickly after touching a hot object is an example of:

Reflex action Voluntary learned action Digestion Hormonal secretion

Q10. How do the nervous and endocrine systems together maintain body stability?

Through rapid neural control and longer-lasting hormonal control Through photosynthesis Only through blood clotting Only through kidney filtration

Nervous System