List of practice Questions

Describe Regeneration and Budding with diagram.

(i) What is a neutralisation reaction? Write its two examples. 
(ii) Explain roasting with an example. 

Describe the structure and function of nephron in humans.
Describe the structure of the human heart with the help of a labelled longitudinal section diagram of the human heart.
Draw a labelled diagram of structure of Neuron and describe its functions.
Describe the female reproductive system of human beings with a diagram.
Complete the following chemical equation:
CH3COOH + C2H5OH →Conc. H2SO4 ________ + H2O
What is ozone and how does it affect any ecosystem?
Describe the food chain and food web with examples.
Write short notes on the following:
(a) Vegetative propagation
(b) Budding
Budding:
Describe the structure and function of the human brain in brief.
Describe energy flow in an ecosystem with diagram.
State the following laws with the help of labelled diagram. With the help of the following, the direction of which physical quantity can be known?
(i) Fleming’s Left Hand Rule
(ii) Right Hand Thumb Rule
Three wires A, B and C are emerging out from the main source of a house. What will be the name, function, and colour of the insulation for each wire?
Write the chemical equations for two chemical properties of ethanol.
Write the chemical equations for two chemical properties of acetic acid.
Explain the following:
(a) Double decomposition reaction
(b) Neutralization reaction
Write short notes on the following:
(i) pH value
(ii) Oxidation reaction
(iii) Combustion reaction
Write the use of bleaching powder in purification of water.
Write the chemical equation for obtaining gypsum from plaster of Paris.
Explain corrosion by giving example.
Example of regeneration is —
Depletion of ozone layer is caused by which of the following?
Natural ecosystem is —