Question : An egg sinks in a soft water but floats in a concentrated solution of salt because:

Option 1: egg absorbs salt from the solution and expands.

Option 2: albumin dissolves in a salt solution and the egg becomes lighter.

Option 3: the density of the salt solution exceeds the density of eggs.

Option 4: water has high surface tension

Question : Ringworm is a ........ disease.

Option 1: Bacterial

Option 2: Protozoan

Option 3: Viral

Option 4: Fungal

Question : Which one of the following is not a true fish?

Option 1: sliver fish

Option 2: Saw fish

Option 3: Hammer fish

Option 4: sucker fish

Question : What is zeolite?

Option 1: Hydrated aluminium silicate

Option 2: Hydrated calcium sulphate

Option 3: Dehydrated aluminosilicate

Option 4: Dehydrated calcium sulphate

Question : Nuts, vegetable oil, and fish are good sources of which of the following?

Option 1: Carbohydrates

Option 2: Minerals

Option 3: Healthy fats

Option 4: Proteins