P-2 Life Processes in Living Organisms Part – 2 — Science STD 10 — Question

Find the correlation: Sun spots : Atmospheric type of disaster : : Salinization : …………..

Two pairs of Dobereiner's triad.

When a light ray travels obliquely from benzene to air, it bends…………the normal at the point of incidence.

What happens when ethanol reacts with ethanoic acid in the presence of a little of concentrated sulphuric acid? Write equation of the reaction involved.

What are the materials used for the preparation of bleaching powder?

Name one organism which reproduces by binary fission and another which reproduces by multiple fission.

Name the spherical mirror which can produce a real and diminished image of an object.

What is the nature of a lens having a power of +0.5D?

Identify me: I have chitinous exoskeleton, I have four pairs of walking appendages. I can sting you. Who am I? What phylum do I belong to?

Name the process by which the volume of solid wastes can be reduced.