SSC (Marathi Semi-English) इयत्ता १० वी - Maharashtra State Board Important Questions for Science and Technology 2

Explain the importance of Anatomical evidences with examples.

Name the parts shown in the diagram.
Human jaw

Match the following.

Give scientific reason.

Duck-billed platypus shows relationship with mammals.

Complete the flowchart.

Write the answers to the questions by observing the figure below.

(a)	(b)	(c)

1. Write the name of the animal ‘(a)’ in the figure.
2. Write the name of the animal ‘(b)’ in the figure.
3. Write the name of the animal ‘(c)’ in the figure.
4. Which evolutionary evidence is illustrated by this figure?
5. Write the definition of that evidence for evolution.

Complete the following diagram:

Complete the following chart:

Give a scientific reason.

Morphological evidences suggest that dog, sheep and wolf have a common origin.

Find odd one out:

Pick the odd man out:

Write names of some vestigial organs in the human body.

Tinning : Tin : : Galvanizing : _________

Write two methods of preventing the rusting of iron.

What is anodising? Give its applications.

In the extraction of aluminium: Draw the diagram for the extraction of aluminium.

In the extraction of aluminium: Why is it necessary to replace anodes time to time?

Identify the process shown in the diagram and explain it in short

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: