Improvement in Food Resources — Science STD 9 — Question

Cork cells possess __________ on their walls that makes them impervious to gases and water. (Suberin, Lignin, Pectin)

Fill in the following blanks with suitable words:
If a body moves with uniform velocity, its acceleration is ________.

A colloid is a Heterogeneous,mixture and its components can be separated by the technique known as ________.(Centrifugation, Filtration, Chromatography)

The anode rays obtained from hydrogen gas consist of particles called __________. (Protons, Electrons, Neutrons)

Leaves get detached from a tree due to __________. (Strain, Friction, Force)

Bone consists of _______ cells. (Osteocyte, Chondrocyte, Fibroblast)

1 watt is a rate of working of one _____ per _____.

The subatomic particle not present in a hydrogen atom is _________.

When a running car stops suddenly, the passengers are jerked ________.