Draw a ray diagram to show the path of the reflected ray corresponding to an incident ray of light parallel to the principal axis of a convex mirror and show the angle of incidence and angle of reflection on it.

"Name two simple organisms having the ability of regeneration.

Which of the following are always at the second trophic level of food chains?

Carnivores, Autotrophs, Herbivores

Why is sustainable management of natural resources necessary? Out of the two reuse and recycle which, in your opinion, is better to practice? Give reason.

Write the name and general formula of a chain of hydrocarbons in which an addition reaction with hydrogen is possible. State the essential condition for an addition reaction. Stating this condition, write a chemical equation giving the name of the reactant and the product of the reaction.