Malini Sheshdari Solutions for Chapter: Fibre to Fabric, Exercise 2: STEP UP

Author:Malini Sheshdari

Malini Sheshdari Science Solutions for Exercise - Malini Sheshdari Solutions for Chapter: Fibre to Fabric, Exercise 2: STEP UP

Attempt the practice questions on Chapter 3: Fibre to Fabric, Exercise 2: STEP UP with hints and solutions to strengthen your understanding. CONCERT Science 7 solutions are prepared by Experienced Embibe Experts.

Questions from Malini Sheshdari Solutions for Chapter: Fibre to Fabric, Exercise 2: STEP UP with Hints & Solutions

MEDIUM
7th CBSE
IMPORTANT

The silkworm secretes a substance that becomes a thread-like fiber. This is used to spin the cocoon. Describe the properties of this fiber.

MEDIUM
7th CBSE
IMPORTANT

Name another animal that secretes a substance that is drawn into thin threads. How is this thin thread like structure similar to the silk fiber? (Hint: Which animal traps its food using thin threads)

MEDIUM
7th CBSE
IMPORTANT

What is artificial silk?

MEDIUM
7th CBSE
IMPORTANT

You are given a small piece of fabric that looks like silk. When this fabric is burnt, it smells like burning plastic. Is this fabric mulberry silk or artificial silk? Why?

MEDIUM
7th CBSE
IMPORTANT

The silk cotton tree produces a cotton-like material, often called kapok. This material is wrapped around the tree's seeds (just like in the cotton plant).
Is there any silk in this silk cotton?

MEDIUM
7th CBSE
IMPORTANT

The silk cotton tree produces a cotton-like material, often called kapok. This material is wrapped around the tree's seeds (just like in the cotton plant).
Why do you think this material is called silk cotton?

MEDIUM
7th CBSE
IMPORTANT

The silk cotton tree produces a cotton-like material, often called kapok. This material is wrapped around the tree's seeds (just like in the cotton plant).
Where in India do these kapok trees grow?

MEDIUM
7th CBSE
IMPORTANT

The silk cotton tree produces a cotton-like material, often called kapok. This material is wrapped around the tree's seeds (just like in the cotton plant).
What is kapok used for?