Suggest a suitable word for the fourth place
a) thin filament : Actin :: Thick filament : ……………….
b) Pectoral girdle : humerus :: Pelvic girdle : …………………...

Note the relationship between first two words and suggest a suitable word for fourth place. a) Alpha cell : Glucagon - Beta cell: ….... b) Glucocorticoids : Cortisol - Mineralocorticoids : …......

Find the relationship between given words and suggest the suitable word for the fourth place. a) Annelida : Nephridia : : Arthropoda : …..... b) Osteichthyes : Cycloid scales : : Chondrichthyes : …......

Note the relationship between first two words and suggest suitable words for the 4th place. a) Planaria: Flame cells : Earthworm : ….... b) Jaw present: Gnathostomata:: Jaw absent: …..

Note the relationship between the first two words and suggest suitable words forthe fourth place a) Collection of living plants : Botanical garden, animals kept in protected environment: ............ b) Homo sapiens : Man, Musca domestica : ..........

Find out the relationships and write the suitable word in the Ivth place. a) Cornea : Sclera , Yellow spot :…………. b) Incus : Middle ear, Cochlea : …………. c) Scala vestibuli Perilymph , Scala media : ……….. d) Rods : Rhodopsin , Cones : ...............

Observe the relationship between first two words and suggest a suitable word to the fourth place. Genetic make up : Genotype : External appearance: …………..

Observe the relation between the first two words and fill in the fourth place (a) Angiosperm: roots Rhodophyta:……….. (b) Fern : Prothallus Moss: …………