PART - 3 CH - 10 The Human Eye and The Colourful World — Science STD 10 — Question

Pepsin is an enzyme that can act only in ….. medium. (basic, acidic, phenolic)

At night as we move up in the atmosphere of the earth, the refractive index ______________ continuously. (Decreases, Increases, Remains constant)

The classification of living organisms explain their ................ relationships. (revolutionary, evolutionary, heredity)

The metals at the bottom of the reactivity series are __________ reactive.(Less, More, Highly)

_________ part of brain for learning process and _________ part of brain responsible for memory.(Cerebellum, Cerebrum, Medulla)

A long wound cylindrical coil of insulated wire is called __________ . (Solenoid, Electromagnet, Conductor)

When sperms reach in urethra from testes, secretions from _________ and ________ are added with them. (Seminal vesicles, Prostate gland, Fallopian tube)

Respiration is an __________  process. 

The type of image formed by the eye lens is ........ and ........ . (inverted, real, erect, virtual)

The opening and closing of the Stomata is a function of __________  cells.