Class 11 · Biology
Neural Control and Coordination
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250 verified questions · NCERT chapter mapped · automatic error log
BiologyPlate 42
NeetVellum atlas · fig. biology
42
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Three examples from the live 250-question bank. Answers appear after attempting them in practice mode.
Example 1 · difficulty 1/5
The resting membrane potential of a neuron is actively maintained by the sodium–potassium pump operating across the axolemma. The ratio in which this pump transports Na⁺ outwards to K⁺ inwards is:
- A. 2 Na⁺ outwards : 3 K⁺ inwards
- B. 1 Na⁺ outwards : 1 K⁺ inwards
- C. 3 Na⁺ outwards : 2 K⁺ inwards
- D. 3 K⁺ outwards : 2 Na⁺ inwards
Example 2 · difficulty 1/5
In a myelinated nerve fibre, the nerve impulse appears to leap from one point to the next along the axon. This saltatory conduction is possible because the voltage-gated ion channels are concentrated at the:
- A. nodes of Ranvier
- B. myelin sheath secreted by Schwann cells
- C. synaptic knobs at the axon terminals
- D. entire axolemma uniformly, as in unmyelinated fibres
Example 3 · difficulty 3/5
At a chemical synapse, impulse transmission involves a definite order of events: (i) neurotransmitter binds to receptors on the post-synaptic membrane, (ii) Ca²⁺ channels of the synaptic knob open and Ca²⁺ flows in, (iii) synaptic vesicles fuse with the pre-synaptic membrane and release the transmitter into the cleft, (iv) an action potential arrives at the axon terminal. The correct sequence is:
- A. ii → iv → i → iii
- B. iv → ii → iii → i
- C. iv → iii → ii → i
- D. i → ii → iv → iii
The chapter mastery loop
- 1. Attempt firstExpose recall gaps before rereading.
- 2. Classify the missConcept, careless, rushed or guessed.
- 3. Re-practiceReturn until the error pattern disappears.
Frequently asked questions
How many Neural Control and Coordination NEET questions are available?
NeetVellum publishes 250 verified questions for this chapter. Free accounts use the daily UG quota; UG Pro removes it.
How should I revise Neural Control and Coordination for NEET?
Attempt questions before rereading, classify each miss, revisit the exposed NCERT concept, then re-practice until the error pattern disappears.