Force and Laws of Motion — Science STD 9 — Question

An ostrich egg is the _________ animal cell.

Fill in the following blanks with suitable word: The acceleration due to gravity on the moon is about ______ of that on the earth.

Fill in the following blanks with suitable words: The smell of perfume gradually spreads across a room due to _________.

Lateral appendages in aquatic Annelid is .

Fill in the blanks: _________ is defined as physical, mental and social well - being and comfort.

Fill in the following blanks with suitable words: The best evidence that the particles of matter are constantly moving comes from the studies of ________ and ________.

Fill in the following blanks with suitable words:
The gases of air can be separated by fractional distillation of liquid air because they have different ___________.

Fill in the blanks in the following statements: The anode rays obtained form hydrogen gas consist of particles called __________.

Angular speed of second hand of a clock is                 radian per second.

Matter can neither be created nor be destroyed is law of __________.