MHT CET Biology question

Which of the following statements about electrical synapse are correct? (i) At electrical synapses, the membranes of pre-synaptic and post-synaptic neurons are in very close contact (ii) During electrical synapse, the chemical flows directly from one neuron to other across the synapse (iii) The transmission of impulse across electrical synapse is faster than that of chemical synapse (iv) Electrical synapse and chemical synapse works simultaneously

• (A)(i) and (ii) are correct
• (B)(i) and (iii) are correctCorrect
• (C)(ii) and (iv) are correct
• (D)(iii) and (iv) are correct