AP Board Class 7 Science Chapter 3 Animal Fibre Textbook Solutions PDF: Download Andhra Pradesh Board STD 7th Science Chapter 3 Animal Fibre Book Answers

AP Board Class 7 Science Chapter 3 Animal Fibre Textbook Solutions PDF: Download Andhra Pradesh Board STD 7th Science Chapter 3 Animal Fibre Book Answers

AP Board Class 7th Science Chapter 3 Animal Fibre Textbooks Solutions and answers for students are now available in pdf format. Andhra Pradesh Board Class 7th Science Chapter 3 Animal Fibre Book answers and solutions are one of the most important study materials for any student. The Andhra Pradesh State Board Class 7th Science Chapter 3 Animal Fibre books are published by the Andhra Pradesh Board Publishers. These Andhra Pradesh Board Class 7th Science Chapter 3 Animal Fibre textbooks are prepared by a group of expert faculty members. Students can download these AP Board STD 7th Science Chapter 3 Animal Fibre book solutions pdf online from this page.

Andhra Pradesh Board Class 7th Science Chapter 3 Animal Fibre Textbooks Solutions PDF

Andhra Pradesh State Board STD 7th Science Chapter 3 Animal Fibre Books Solutions with Answers are prepared and published by the Andhra Pradesh Board Publishers. It is an autonomous organization to advise and assist qualitative improvements in school education. If you are in search of AP Board Class 7th Science Chapter 3 Animal Fibre Books Answers Solutions, then you are in the right place. Here is a complete hub of Andhra Pradesh State Board Class 7th Science Chapter 3 Animal Fibre solutions that are available here for free PDF downloads to help students for their adequate preparation. You can find all the subjects of Andhra Pradesh Board STD 7th Science Chapter 3 Animal Fibre Textbooks. These Andhra Pradesh State Board Class 7th Science Chapter 3 Animal Fibre Textbooks Solutions English PDF will be helpful for effective education, and a maximum number of questions in exams are chosen from Andhra Pradesh Board.

Andhra Pradesh State Board Class 7th Science Chapter 3 Animal Fibre Books Solutions

Board	AP Board
Materials	Textbook Solutions/Guide
Format	DOC/PDF
Class	7th
Subject	Maths
Chapters	Science Chapter 3 Animal Fibre
Provider	Hsslive

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AP Board Class 7th Science Chapter 3 Animal Fibre Textbooks Solutions with Answer PDF Download

Find below the list of all AP Board Class 7th Science Chapter 3 Animal Fibre Textbook Solutions for PDF’s for you to download and prepare for the upcoming exams:

7th Class Science 3rd Lesson Animal Fibre Textbook Questions and Answers

Improve Your Learning

Question 1.
In sericulture industry do which stages of silkworm weavers buy? Why do they do so?
Answer:

1. The eggs of silk moth are called ‘seeds’.
2. These moths are kept in grill mesh boxes in separate rooms.
3. These are also called ‘Chilakalu’. Another name for them is ‘Bombyx Mori’.
4. White cloth pieces or paper are arranged at the time of laying eggs.
5. Moths lay hundreds of eggs on them.
6. A female moth lays around 500 eggs in one go and dies.
7. Farmers from different places come and purchase these eggs.

Question 2.
Which place in our state is called silk city?
Answer:
Dharmavaram in our state is called the silk city.

 

Question 3.
Prepare a chart showing life cycle of silk worm and display that in the classroom.
Answer:

Life Cycle

1. Eggs
2. Worm
3. Big size worm
4. Grown worm
5. Larva
6. Caterpillar
7. Cocoon
8. Pupa
9. Matured pupa
10. Imago

Question 4.
Why are cocoons stiffled?
Answer:

1. The cocoons have to be stiffled to kill the Larva inside.
2. If the Larva inside is not killed, it will cut its way out after growing into a moth and spoil the cocoon.
3. If such a thing happens continuous thread of silk from such a cocoon is not possible to get.

Question 5.
What will happen if cocoon is not boiled? (OR)
Generally larvae of silk moth are killed by a process of stiffing to collect silk from a cocoon. What will happen if the cocoon is not boiled?
Answer:

1. If the cocoon is not boiled, the larva inside the cocoon grows and cuts its way out after growing into a moth and spoil the cocoon.
2. In such a case we won’t be able to obtain quality fibre for fabric.

 

Question 6.
What are the differences between fleece of Angora goat and camel?
Answer:

Angora goat fleece	Camel fleece
1) Angora goat live in Kashmir.	2) Angora goat have soft hair.
1) Camel live in Rajasthan.	2)      Camels have rough and coarse hair.

Question 7.
Make a flow chart showing various stages of production of woollen fabric.
Answer:

Question 8.
In what way is knitting different from weaving?
Answer:

1. Strands of yarn are arranged in vertical and horizontal rows in a loom to weave fabric.
2. Two sets of yarn arranged together to make fabric is called weaving.
3. Wool can be knit easily because it has a natural bend or crimp on it.
4. By making knots with loops and rings of a long thread of yarn, woolen fabrics are knitted.
5. In addition to handmade process of knitting, handlooms and powerlooms are also used on which woolen yarn is woven to fabric.
   
6. Woolen threads are stretched from the top of loom to the bottom. These are called warp threads. The threads that go side to side are weft threads.
7. A shuttle like a big needle takes the weft threads over and under warp threads. One more important part of the loom is the harness.
8. The harness lifts every other warp thread so that the weft threads go over one and under the next. All types of yarn whether cotton or silk or wool etc. are woven in this manner.
   

 

Question 9.
Prepare a scrap book with pictures of different wool yielding animals.
Answer:

The student is advised to prepare this scrap book independently.

Question 10.
Fill up the blank and give your reasons for the statement.
…….. fabric protect us from cold.
Answer:
Woolen fabric protect us from cold. Because wool is a poor conductor of heat. Air trapped in between the woolen fibres and our body prevents the flow of heat from our body to surroundings.

Question 11.
If you are going to visit Dal lake at Kashmir which type of clothes would you like to keep in your luggage? Why?
Answer:

1. In Kashmir, it would be very cold.
2. Unless one wears clothes to protect himself from this chill weather, It becomes difficult to carry on with the day to day activities.
3. Woolen clothes protect from chill weather.
4. The gap between the threads of the woolen cloth is filled with air.
5. Air and wool are bad conductors of heat.
6. Woolen clothes are best to wear in Kashmir.
7. So I keep woolen clothes in my luggage when I am going to visit Kashmir.

Question 12.
Do you find any similarities between silk and wool weaving? What are they?
Answer:

1. Both silk and wool weaving is done on power looms as well as on handlooms.
2. Woolen threads are stretched from the top of the loom to the bottom. These are called warp threads.
3. The threads that go side to side are weft threads.
4. A shuttle like a big needle takes the weft threads over and under warp threads.
5. One more important part of the loom is the harness.
6. The harness lifts every other warp thread so that the weft threads go over one and under the next.
7. All types of yarn whether cotton or silk or wool etc. are woven in this manner.

 

Question 13.
Write 5 differences between wool and silk manufacturing.
Answer:

Silk	Wool
1) The silk yarn is obtained from the cocoon of the silk moth.	1) The fleece of the sheep along with a thin layer of skin is removed from its body. This process is called shearing.
2) For obtaining silk, moths are reared and their cocoons are collected to get silk thread.	2) The sheared skin with hair is thoroughly washed in tanks to remove grease, dust and dirt. This is called scouring.
3) The process of taking out threads from the cocoon for use as silk is called reeling the silk.	3) The hairy skin is sent to a factory where hair of different textures are separated.
4) Tassar, Mooga, Kosa etc., are different varieties of silk.	4) The small fluffy fibres called burrs are picked out from the hair.
5) Silk fibres obtained by reeling the spun into silk threads, which are woven into silk cloth by the weavers.	5) Fibres are straightened, combed and rolled into yarn. The longer fibres are made into wool for sweaters and the shorter fibres are spun and woven into woolen cloth.

Question 14.
Observe designs on silk sarees, trace them in your notebook and make your own designs.
Answer:

 

Question 15.
In East India silk is called pat. You may collect different pieces of silk fabric from cloth stores and write the names of the type of fabric and make a chart.
Answer:

AP Board Textbook Solutions PDF for Class 7th Science

• AP Board Class 7
• AP Board Class 7 Science
• AP Board Class 7 Science 1st Lesson Food for Health
• AP Board Class 7 Science 2nd Lesson Nature of Substances
• AP Board Class 7 Science 3rd Lesson Nutrition in Organisms
• AP Board Class 7 Science 4th Lesson Respiration and Circulation
• AP Board Class 7 Science 5th Lesson Motion and Time
• AP Board Class 7 Science 6th Lesson Electricity
• AP Board Class 7 Science 7th Lesson Reproduction in Plants
• AP Board Class 7 Science 8th Lesson Wonders of Light
• AP Board Class 7 Science 9th Lesson Heat, Temperature and Climate
• AP Board Class 7 Science 10th Lesson Changes Around Us
• AP Board Class 7 Science 11th Lesson Fibres and Fabrics
• AP Board Class 7 Science 12th Lesson Soil and Water
• AP Board Class 7 Science 1st Lesson ఆహారంతో ఆరోగ్యం
• AP Board Class 7 Science 2nd Lesson పదార్థాల స్వభావం
• AP Board Class 7 Science 3rd Lesson జీవులలో పోషణ
• AP Board Class 7 Science 4th Lesson శ్వాసక్రియ – ప్రసరణ
• AP Board Class 7 Science 5th Lesson చలనం – కాలం
• AP Board Class 7 Science 6th Lesson విద్యుత్
• AP Board Class 7 Science 7th Lesson మొక్కలలో ప్రత్యుత్పత్తి
• AP Board Class 7 Science 8th Lesson కాంతితో అద్భుతాలు
• AP Board Class 7 Science 9th Lesson ఉష్ణం, ఉష్ణోగ్రత మరియు శీతోష్ణస్థితి
• AP Board Class 7 Science 10th Lesson మన చుట్టూ జరిగే మార్పులు
• AP Board Class 7 Science 11th Lesson దారాలు – దుస్తులు
• AP Board Class 7 Science 12th Lesson నేల మరియు నీరు
• AP Board Class 7 Science Chapter 1 Food Components
• AP Board Class 7 Science Chapter 2 Acids and Bases
• AP Board Class 7 Science Chapter 3 Animal Fibre
• AP Board Class 7 Science Chapter 4 Motion and Time
• AP Board Class 7 Science Chapter 5 Temperature and Its Measurement
• AP Board Class 7 Science Chapter 6 Weather and Climate
• AP Board Class 7 Science Chapter 7 Electricity Current and Its Effect
• AP Board Class 7 Science Chapter 8 Air Winds and Cyclones
• AP Board Class 7 Science Chapter 9 Reflection of Light
• AP Board Class 7 Science Chapter 10 Nutrition in Plants
• AP Board Class 7 Science Chapter 11 Respiration in Organisms
• AP Board Class 7 Science Chapter 12 Reproduction in Plants
• AP Board Class 7 Science Chapter 13 Seed Dispersal
• AP Board Class 7 Science Chapter 14 Water Too Little To Waste
• AP Board Class 7 Science Chapter 15 Soil Our Life
• AP Board Class 7 Science Chapter 16 Forest Our Life
• AP Board Class 7 Science Chapter 17 Changes Around Us

Andhra Pradesh Board Class 7th Science Chapter 3 Animal Fibre Textbooks for Exam Preparations

Andhra Pradesh Board Class 7th Science Chapter 3 Animal Fibre Textbook Solutions can be of great help in your Andhra Pradesh Board Class 7th Science Chapter 3 Animal Fibre exam preparation. The AP Board STD 7th Science Chapter 3 Animal Fibre Textbooks study material, used with the English medium textbooks, can help you complete the entire Class 7th Science Chapter 3 Animal Fibre Books State Board syllabus with maximum efficiency.

FAQs Regarding Andhra Pradesh Board Class 7th Science Chapter 3 Animal Fibre Textbook Solutions

How to get AP Board Class 7th Science Chapter 3 Animal Fibre Textbook Answers??

Students can download the Andhra Pradesh Board Class 7 Science Chapter 3 Animal Fibre Answers PDF from the links provided above.

Can we get a Andhra Pradesh State Board Book PDF for all Classes?

Yes you can get Andhra Pradesh Board Text Book PDF for all classes using the links provided in the above article.

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