P-2 Animal Classification — Science STD 10 — Question

Complete the following sentences:
Short-sighted person cannot see _____ objects clearly. Short-sightedness can be corrected by using _____ lenses.

Fill in the following blanks with suitable words:
Our ________system allows Us to react to our surroundings. Information from receptors passes along ________neurons to our brain. Our brain sends impulses along _______neurons to our muscles.

The long rod like supporting structure present on the dorsal side of animal body is called __________. (Notochord/Nerve chord)

Fill in the following blanks:
The chemical formula of plaster of Paris is _________.

Fill in the following blanks with suitable words:
Nuclear ____________ is used in nuclear power stations for the production of electricity.

When the value of 'r' is 90°, then the 'i' for it is called as __________.

The force acting on a current carrying conductor is maximum when the direction of current is ………… to the direction of magnetic field.

Ability to change one's own behaviour according to changing social conditions is an important characteristic of __________.

Chromosomes complete their condensation and become clearly visible along with their sister chromatids during_________.