A. Choose the correct option.

1. This animal does not give wool.

a. Goat b. Sheep c. Cow d. Camel

Answer: (c) Cow 

2. This is two humped camel found in Siberia.

Answer: (c) Bactrian 

a. Llama b. Alpaca c. Bactrian d. Cashmere.

3. Shearing usually occurs in

a. Spring b. summer c. autumn. d. winter.

Answer.   Spring 

4. The larvae of silk worms are also called.

a. cocoons b. caterpillars c. pupae. d. moths.

Answer.b Caterpillars 

5. A common health hazard in wool products is.

a. anthrax b. blisters and wounds, c. asthma. d. back problems.

Answer. (a) Anthrax 

B. Fill in the blanks with the correct words.

1._______ (Mohair/Cashmere) wool is obtained from the Angora goat.

Answer. Mohair.

2. The process of sorting and grouping wool is called______ (grading/scouring)

Answer. Grading

3. The wool is packed into_____(bale/yarns)and sent to the mills

Answer. Bale

4. The four stages in the life cycle of a silk moth are egg, larva ______ (cocoon/pupa, and adult.

Answer. Pupa

5. Different kinds of  _____ (silk moths/processes) give us different varieties of silk.

Answer. Silk moths

6.Tussar, Mooga, and_______ (Mulberry /kosa) are three varieties of silk.

Answer. Kosa

D. Name the following.

Q1. The material is made from fibres and used to make cloth.

Answer.  Fabric 

Q2. Animal fibre that is obtained from the fur of sheep, camel, goat and rabbit

Answer. Wool

Q3.The process of superficial removal of hair from the coat of an animal.

Answer. Shearing.

Q4. The third stage in the life cycle of a silk worm

Answer. Pupa

Q5. Rearing of silkworms for silk production

Answer. Sericulture 

E. Answer the following questions.

Q1. Name four breeds of animals that give good-quality wool. Also, mention the wool they produce.

Answer. Four breeds of animals that give good-quality wool are:

Sheep: Sheep give Merino wool

 Goat gives Cashmere and Mohair wool 

 Camel give Camel wool 

 Rabbit gives Angora wool 

Q2.How does the coat of animals help it to stay warm?

Answer. The coats of animals, such as sheep and goats, contain dense fibers that trap air in between them. This trapped air acts as a natural insulator, reducing heat loss and maintaining body warmth. The thick fur layer effectively blocks cold air, helping animals survive in harsh winter conditions. This insulation property is why wool is widely used in winter clothing for humans as well.

Q3. What is mohair wool? How is it different from cashmere?

Answer. Mohair wool, sourced from Angora goats, is renowned for its silky shine, exceptional strength, and remarkable Toughness.

Cashmere wool comes from Cashmere goats. It is super soft, light, and very fancy, so it costs more. Mohair is strong and shiny, but cashmere is the softest and warmest. Both are used to make different kinds of clothes.

Q4. List the steps involved in wool production. Briefly write about each step.

Answer. the steps involved in wool production are as below:

1. Shearing – Cutting wool from sheep.

2. Scouring – Washing wool to remove dirt.

3. Sorting – Separating wool by quality.

4. Carding – Brushing wool to untangle fibers.

5. Spinning – Twisting fibers into yarn.

6. Weaving/Knitting – Turning yarn into fabric.

Q5. How is shearing beneficial to sheep?

Answer. Shearing is very good for sheep because it helps them in many ways. First, it keeps them cool in hot summer weather by removing their thick wool coat. Second, it makes them cleaner because dirt and bugs can’t stick easily to short wool. Third, it stops skin problems and keeps the healthy. Lastly, it prevents itchy bugs like fleas and ticks from living in their wool. Shearing makes sheep feel comfortable and happy, just like getting a haircut makes us feel fresh!

Q6. Draw a simple diagram to show the life cycle of a silkworm

Answer:

Q7. What is sericulture? Describe the process of silk production.

Answer: The Process of silk production is mentioned below:

1. Eggs: Mother moth lays tiny eggs.

2. Baby Worms: Eggs hatch into hungry caterpillars .

3. Eating: They eat lots of mulberry leaves to grow big.

4. Cocoon: They spin a soft, white cocoon around themselves.

5. Silk Thread: People unwind the cocoon to get the silk thread.

Q8. List a few health hazards that workers face in sericulture

Answer. Below are a few health hazards that workers face in sericulture.

1. Breathing Trouble – Dust from cocoons can make it hard to breathe.

2. Skin Rashes – Touching cocoons may cause itchy skin.

3. Burns – Hot water used to soften cocoons can hurt hands.

4. Back Pain – Long hours of sitting and working.