SSC (English Medium) १० वीं कक्षा - Maharashtra State Board Question Bank Solutions for Science and Technology 2

Answer the following question.
a) What is meant by corrosion?
b) Write names of any two methods of prevention of corrosion.
c) In which method, metal like copper, aluminium are coated with a thin layer of their oxides by means of electrolysis.
d) Explain this method with diagram.

Find the odd man out:

Identify the following symbol and state their significance.

Choose the correct alternative and rewrite the following:

Iron is _____________________.

Write three methods of preventing rusting of iron.

List the organs of Human respiratory system. 

Rewrite the following statement by selecting the correct option. 
During respiration, ____________ gas is given out.

Occurrence of diversity among the organisms of the same species is called ________ diversity.

Define.

Diversity (Biodiversity)

What is the meaning of the symbol shown in the figure with respect to environment?

What is the meaning of the symbol shown in the figure with respect to environment?

What is the meaning of the symbol shown in the figure with respect to environment?

Explain the given concept with the help of examples.

Genetic Diversity

Explain the given concept with the help of examples.

Species Diversity

Explain the given concept with the help of examples.

Ecosystem Diversity

Complete the concept map.

What is the meaning of the following symbol? Write your role accordingly.

Explain my role in the environment based on the following point.

Control

Explain my role in the environment based on the following point.

Conservation

Explain my role in the environment based on the following point.

Preservation