Name the small openings (holes) on the sides of the body of an insect.

Given below is a square of letters in which are hidden different words related to respiration in organisms. These words may be present in any direction - upwards, downwards, or along the diagonals. Find the words for your respiratory system. Clues about those words are given below the square. (i) The air tubes of insects (ii) Skeletal structures surrounding chest cavity (iii) Muscular floor of chest cavity (iv) Tiny pores on the surface of leaf (v) Small openings on the sides of the body of an insect (vi) The respiratory organs of human beings (vii) The openings through which we inhale (viii) An anaerobic organism (ix) An organism with tracheal system

Locomotor centre of the body of an insect is

What is obtained from the body of insects?

Name three social insects.

Give the names of three useful insects.

In cockroaches, the respiratory system consists of a network of trachea that open outside through small holes hat are present on lateral side of the body are called

A tank, which is open at the top, contains a liquid up to a height H. A small hole is made in the side of the tank at a distance y below the liquid surface. The liquid emerging from the hole lands at a distance x from the tank :

Consider the diffraction patern for a small pinhole. As the size of the hole is increased