P-1 Gravitation — Science STD 10 — Question

The essential element in all the organic compounds is ______________ .

Fill in the following blanks with suitable words:
Gums and resins are the _________ products of plants.

Fill in the following blanks with suitable words:
The functional group present in ethanol is _________.

__________ unit has been newly launched in police department.

Rancidity in the food stuff cooked in oil or ghee is prevented by using ______________ .

The metals; aluminium, iron and zinc do not react with __________ but they react with __________ to form their oxides.

Misuse or illegal sale of written literature, software, photos, videos, music etc. of others by obtaining from internet is called as __________.

If the distance between the two object is doubled, then the gravitational force between them will be __________ times.

In arthropods, __________ exoskeleton is present around the body. (ligninous / chitinous)

In human beings, sudden genetic changes are brought about by ......... .