Structure of the Atom — Science STD 9 — Question

Scientists say that there are actually five states of matter: Solid, liquid, gas, ________ and Bose-Einstein Condensate (BEC). (Fog, Plasma, Smoke)

The rate of diffusion of liquids is ________ than that of solids. (More, Equal, Less)

A sulphide ion has a negative charge because it contains fewer Protons than ____________. (Protons, Electrons, Neutrons)

An ostrich egg is the _________ animal cell. (Smallest, Largest, Medium-sized)

Newton’s first law of motion is also called Galileo’s law of ________.

Brass is an alloy which is considered a _________.

Phloem conducts ________ in plants. (Sucrose, Water, Oxygen)

Growing wheat and groundnut on the same field is called __________. (Crop Rotation, Mixed Cropping, Monoculture)

It is the __________ force which makes objects appear lighter in water. (Gravitational, Buoyant, Magnetic)

The inner mitochondrial membrane has a number of in-foldings called __________. (Cristae, Lamellae, Thylakoids)