The Fundamental Unit of Life — Science STD 9 — Question

Both stretched spring and compressed spring have __________ energy. (Elastic potential, Kinetic, Mechanical)

A nerve impulse passes from one neuron to another across a __________. (Synapse, Axon, Dendrite)

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

Cell theory was refined by __________. (Schleiden, Virchow, Schwann)

The slope of a speed-time graph of a moving body gives its __________. (Speed, Velocity, Acceleration)

Bone possesses a hard matrix composed of _________ and Minerals. (Proteins, Carbohydrates, Water)

If the nucleus of an atom has atomic number 17, mass number 37, and 17 electrons outside the nucleus, the number of neutrons in it is ____________. (20, 17, 37)

Cells of cork contain a chemical called _________. (Suberin, Lignin, Pectin)