Question

1. Choose the correct answer.
1. The SI unit of resistance is:
(A) Newton (B) Ohm (C) Watt (D) Joule.
2. What prevents backflow of blood inside the heart during contraction?
(A) Valves in heart (B) Thick muscular walls of 11 (C) Thin walls of atria (D) All of the
3. Which one of the following types of medicines is used for treating indigestion?
(A)Antibiotic (B) Analgesic
(C) Antacid
(D) Antiseptic
4. The gap between two neurons is called
(A) Dendrite (B) Synapse
(C) axon
(D) impulse
5. The instrument used for measuring potential difference between two ends of the wire is
(A)Ammeter (B) Galvanometer (C) Voltmeter (D) Potentiometer​

Answer 1

Answer:

1- ohm

2-valves in heart

3-Antacid

4-axon

5-Galavanometer