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2: Life Processes in Living Organisms Part - 1
3: Life Processes in Living Organisms Part - 2
4: Environmental Management
5: Towards Green Energy
6: Animal Classification
7: Introduction to Microbiology
8: Cell Biology and Biotechnology
9: Social Health
10: Disaster Management
![SCERT Maharashtra solutions for Science and Technology Part 2 [English] Standard 10 Maharashtra State Board chapter 1 - Heredity and Evolution - Shaalaa.com](/images/science-and-technology-part-2-english-standard-10-maharashtra-state-board_6:5f2b1b2038084cf381bfa42c826a928c.jpg "SCERT Maharashtra solutions for Science and Technology Part 2 [English] Standard 10 Maharashtra State Board chapter 1 - Heredity and Evolution")
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Solutions for Chapter 1: Heredity and Evolution
Below listed, you can find solutions for Chapter 1 of Maharashtra State Board SCERT Maharashtra for Science and Technology Part 2 [English] Standard 10 Maharashtra State Board.
SCERT Maharashtra solutions for Science and Technology Part 2 [English] Standard 10 Maharashtra State Board 1 Heredity and Evolution Choose the correct option
Choose the correct option.
Transfer of information from molecules of DNA to mRNA is called as ______ process.
Gene
Mutation
Translocation
Transcription
Gradual development
Appendix
Similarities in the initial stages indicate the _______ evidence.
Connecting links
Anatomical
Embryological
Palaeontological
______ is a vestigial organ in human beings.
Wisdom teeth
Ear muscles
Body hairs
All the above
SCERT Maharashtra solutions for Science and Technology Part 2 [English] Standard 10 Maharashtra State Board 1 Heredity and Evolution Find an odd one out
Find an odd one out.
Transcription
Translation
Translocation
Mutation
Find an odd one out.
Leaf venation
Size of seeds
Leaf petiole
Leaf shape
Find an odd one out.
Position of eyes
structure of bones of hand
structure of nostrils
structure of ear pinna
Find an odd one out.
Human hand
flipper of whale
cat’s foreleg
wings of birds
SCERT Maharashtra solutions for Science and Technology Part 2 [English] Standard 10 Maharashtra State Board 1 Heredity and Evolution Name the following
Name the following
I am a connecting link between reptiles and mammals. Who am I?
Who is the pioneer of modern genetics?
Which process is shown in the following diagram?
In which book Darwin had published his theory of Natural selection?
Which process is shown in the diagram given below?
Name the parts shown in the diagram.
Human jaw
SCERT Maharashtra solutions for Science and Technology Part 2 [English] Standard 10 Maharashtra State Board 1 Heredity and Evolution Relate the following
Relate the following.
Appendix : vestigial organ : : Peripatus : ____________
Theory of evolution : Darwin : : ____________ : Lamarck
Changes in the nucleotide of gene : Mutation : : Changes in the place of ribosome : __________
SCERT Maharashtra solutions for Science and Technology Part 2 [English] Standard 10 Maharashtra State Board 1 Heredity and Evolution Write true or false
Write whether true or false.
The decaying process of C-14 occurs continuously in dead organisms only.
True
False
SCERT Maharashtra solutions for Science and Technology Part 2 [English] Standard 10 Maharashtra State Board 1 Heredity and Evolution Match the following
Match the following.
| Column A | Column B |
| 1) Morphological evidences | a) Tail-bone or wisdom teeth |
| 2) Paleontological evidences | b) Leaf venation |
| c) Fossils |
SCERT Maharashtra solutions for Science and Technology Part 2 [English] Standard 10 Maharashtra State Board 1 Heredity and Evolution Define
Define.
Translation
Define Translocation.
Define mutation.
SCERT Maharashtra solutions for Science and Technology Part 2 [English] Standard 10 Maharashtra State Board 1 Heredity and Evolution Give scientific reasons
Give scientific reason.
Some of the characters of parents are seen in their offspring.
Give scientific reason.
Peripatus is said to be the connecting link between Annelida and Arthropoda.
Give scientific reason.
Vertebrates have slowly originated from invertebrates.
Give scientific reason.
Duck-billed platypus shows relationship with mammals.
SCERT Maharashtra solutions for Science and Technology Part 2 [English] Standard 10 Maharashtra State Board 1 Heredity and Evolution Solve the following questions
Solve the following subquestions.
Write a short note:
Embryological evidences
Complete the flowchart.
Write advantages of science of heredity.
Enlist the evidences of evolution.
What is inheritance of acquired characters?
What is species and speciation?
Which genetic disorders are caused by mutation?
Define the evidence of evolution shown in the figure.
SCERT Maharashtra solutions for Science and Technology Part 2 [English] Standard 10 Maharashtra State Board 1 Heredity and Evolution Distinguish between
Distinguish between the following.
Transcription and Translation
SCERT Maharashtra solutions for Science and Technology Part 2 [English] Standard 10 Maharashtra State Board 1 Heredity and Evolution Answer the following questions
Answer the following questions.
Answer the following questions.
Explain the mechanism of hereditary changes.
What is carbon dating?
Where is carbon dating used?
What are objections raised against Darwin's theory?
Observe the given images and answer the following questions.
- Which evolutionary evidence does it indicate?
- What does it prove?
- State another example of evolutionary evidence.
Define vestigial organs.
Write names of some vestigial organs in the human body.
Write the names of those animals in whom some vestigial organs in human body are functioning.
Define fossil.
Explain importance of fossils as proof of evolution.
Explain Lamarck’s Principle.
Which evidence of evolution is shown in the given picture? Explain the importance of this evidence.
Write short notes based upon the information known to you.
Darwin’s theory of natural selection
Complete the following paragraph with the words given in brackets.
(Cro-Magnon, brain, fire, agriculture, Cultural, homo-sapiens, wise man)
Evolution of upright man continued in the direction of developing its ________ for the period of about 1 lakh years and meanwhile it discovered the __________. Brain of a 50 thousand year old man had been sufficiently evolved to the extent that it could be considered as a member of the class _______. Neanderthal man can be considered as the first example of _______. The _______ man evolved about 50 thousand years ago and afterwards, this evolution had been faster than the earlier. About 10 thousand years ago, wise-man started to practice the _______. It started to rear the cattle-herds and established the cities. _______ development took place.
Observe the following images and answer the questions.
- Which evolutionary evidences are indicated in the given picture?
- How are they formed?
- Which method is used to measure their age or their time?
Observe the picture and answer the following questions.
- The given picture indicates which principle?
- Explain that principle in your language.
- What is the meaning of acquired characteristics?
SCERT Maharashtra solutions for Science and Technology Part 2 [English] Standard 10 Maharashtra State Board 1 Heredity and Evolution Solve the following questions
Solve the following questions.
Explain any five types of evidence that support the theory of evolution.
Explain in short.
Transcription
Explain in short.
Mutation
Write the answers to the questions by observing the figure below.
 |
 |
 |
| (a) | (b) | (c) |
- Write the name of the animal ‘(a)’ in the figure.
- Write the name of the animal ‘(b)’ in the figure.
- Write the name of the animal ‘(c)’ in the figure.
- Which evolutionary evidence is illustrated by this figure?
- Write the definition of that evidence for evolution.
Solutions for 1: Heredity and Evolution
SCERT Maharashtra solutions for Science and Technology Part 2 [English] Standard 10 Maharashtra State Board chapter 1 - Heredity and Evolution
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Concepts covered in Science and Technology Part 2 [English] Standard 10 Maharashtra State Board chapter 1 Heredity and Evolution are Darwin’s Theory of Natural Selection (Darwinism), Lamarck’s Theory of Evolution (Lamarckism), Anatomical Evidences, Human Ancestors, Homo Sapiens Sapiens (Modern Man), Speciation, Transcription, Mutations, Translation, Translocation, Heredity, Evolution.
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