What gives the rise to the cohesiveness of water molecules? is it hydrogen bonds?

Yes. The H is water is + and the O is - making it want to connect to more and more +H and -O without ever actually being balanced.

Glucose, also called grape sugar, blood sugar or corn sugar, is among the simplest and one of the primary naturally occurring sugars. produced naturally by plants as the primary photosynthesis product, it is heavily used by living beings as a main energy source and is necessary for cellular respiration. chemically, it is a monosaccharide carbohydrate and serves as a building block for complex sugars like starch.