Q141: If an object absorbs all entire component/seven colours of light, it appears in ________ colour.
Q142: Plants absorb ____ during day time to prepare their food.
Q143: Electronic configuration is distribution of _______?
Q144: Which one the following gases is present in the atmosphere in the highest amount?
Q145: Which mineral builds red blood cells and it is also involved in the building of bones?
Q146: Ozone layer protect us from the harmful _______ of the Sun.
Q147: Which disease is caused due to the deficiency of vitamin D that causes bones to become soft and weak?
Q148: The process of making copies of DNA is called?
Q149: Digestion begins in one of the following part of the body?
Q150: The main excretory organ of the body is _____?