Page 1 - 4.1- HOME ASSIGNMENT -1 (OBJECTIVE & SUBJECTIVE)FIBRES,WOOL & ANIMAL YIELDING WOOL

SAI International School
Class – VII

Subject – Chemistry
Topic – Animal Fibres
Sub-Topic – Fibres, wool, Animals Yielding wool

HOME ASSIGNMENT
OBJECTIVE:
Q. No. Questions Marks
SKIL

1. Which is the starting point of the textile chain? 1 U
(a) Fabric
(b) Fibre
(c) Silk
(d) Wool
2. 1 K
The woollen coat of the animal is called;
(a) wool
(b) Undercoat
(c) Overcoat
(d) Fleece
3. The highly healthy natural wool having excellent 1 K
thermal insulation property is obtained from;
(a) Yak
(b) Camel
(c) Sheep
(d) Angora rabbit

➢ For Assertion& Reason questions follow the following 1 U
directions.
DIRECTION: Each of these questions contains an Assertion
followed by Reason. Read them carefully and answer the
question on the basis of following options. You have to
select the one that best describes the two statements.
(a) If both Assertion and Reason are correct and Reason is
the correct explanation of Assertion.
(b) If both Assertion and Reason are correct, but Reason is
not the correct explanation of Assertion.
(c) If Assertion is correct but Reason is incorrect.
(d) If Assertion is incorrect but Reason is correct.
(e) If Assertion & Reason both are incorrect.

4 Assertion: Wool yielding animals are mostly found in 1 U&A
cold region.
Reason: Wool is grown in their body to protect them
from extreme cold.
5. Assertion: woollen clothes are used in winter season. 1 U&A
Reason: Woollen clothes have high thermal insulation
property.

Subjective

1