Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
(a) Cones: Iodopsin:: Rods: ..............
(b) Sound: Eardrum: Dynamic balance: ..............

Note the relationship between the first two word and suggest the suitable word/words for the fourth place:
(a) Lub: atrioventricular valves:: Dup:
(b) Coronary artery: Heart:: Hepatic artery:

Note the relationship between the first two words and suggest the suitable word/words for the fourth place.

(a) Stimulus : Receptor :: Impulse : ..............

(b) Cerebrum : Diencephalon :: Cerebellum : ................

(c) Receptor : Sensory nerve :: Motor nerve :...............

Note the relationship between the first two words and suggest suitable words in the fourth place.

1. HIV : AIDS : : HB : ………………… .

2. Typhoid : Salmonella typhi : : Tuberculosis : …………….. .

3. Pulse polio : Poliomyletis : : DOTS : …………………… .

4. TB : communicable : : Cancer : ………………. .