SSC (English Medium) 10th Standard - Maharashtra State Board Important Questions for Science and Technology 2

Explain the mechanism of hereditary changes.

Survival of fittest : Darwin : : Acquired characters : ..............................

Observe the picture and answer the following questions.
A) Which evidence of evolution is shown in the picture?
B) What can be proven with this proof?
C) Give one more example of evidence of evolution

Answer the following question.
Wisdom teeth : Vestigial organs :: Lungfish : ....................

a) Explain in brief - Lamarck’s principle of ‘use or disuse of organs’.
b) Give two examples.
c) What are ‘acquired characters’?

Complete the following chart:

What do you mean by vestigial structures? Name four vestigial organs found in man.

State Darwin’s theory of evolution.

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.

What is carbon dating?

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.

What are the components of the DNA molecule?

Find odd one out: