Question 1 Name two types of movements shown by plants? Question 2 Define the term phototropism? Question 3 What is positive stimulus? Question 4 What is negative stimulus? Question 5 Define the term geotropism? Question 6 Define the term chemotropism? Question 7 Define the term hydrotropism? Coordination in Plants Plants do not have nervous system, muscles … [Read more...] about Plant Movement
Class 10
Central Nervous System
Question 1 What are voluntary actions? Question 2 What are involuntary actions? Question 3 What is cranium? What is its function? Question 4 What are meninges. What is their function? Question 5 Name the three regions of brain? Question 6 What are the functions of fore brain? Question 7 What are the functions of mid brain? Question 8 What are the functions … [Read more...] about Central Nervous System
Reflex Action
Question 1 What is a reflex action? Give example? Question 2 Why reflex actions are generally known as spinal reflexes? Question 3 What are receptors? Question 4 What are Effectors? Question 5 What are connectors? Reflex Action A reflex action is a spontaneous, automatic and mechanical response to stimulus or sudden action in response to something in the … [Read more...] about Reflex Action
Alloys
Question 1 What is an alloy? Question 2 Give two examples of alloys? Question 3 How are the properties of an alloy different from those of the constituent metals? Question 4 What elements are present in steel? Question 5 What are the constituents of stainless steel? Question 6 State an alloy of copper? Question 7 Give the constituent of brass? Question 8 … [Read more...] about Alloys
Corrosion
Question 1 Define the term corrosion? Question 2 What is meant by rusting of iron? Question 3 State the conditions necessary for rusting of iron? Question 4 State the ways to prevent the rusting of iron? Question 5 Name the metal used for galvanising iron? Question 6 Why copper objects lose their shine after sometime? Question 7 Why silver articles became … [Read more...] about Corrosion