EASY
7th CBSE
IMPORTANT
Earn 100

The sleeping period of a silkworm is hours. (12, 24, 30)

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Important Questions on Fibres from Animals

EASY
7th CBSE
IMPORTANT
Basic Science For Class 7>Chapter 4 - Fibres from Animals>Exercises>Q D
The quality and quantity of wool depend upon the _____ of the sheep. (size/shape/breed)
EASY
7th CBSE
IMPORTANT
Basic Science For Class 7>Chapter 4 - Fibres from Animals>Exercises>Q D
The thinner the fibre, the _____ is the wool. (poor / better )
EASY
7th CBSE
IMPORTANT
Basic Science For Class 7>Chapter 4 - Fibres from Animals>Exercises>Q D
Wool has a _____ tensile strength. (low/high)
HARD
7th CBSE
IMPORTANT
Basic Science For Class 7>Chapter 4 - Fibres from Animals>Exercises>Q E
Match the columns A and B
  A   B
a Mulberry (i) To remove burrs from fleece
b Organzine (ii) To soak silk in solutions of salts
c Tram (iii) The best feed for silkworms
d Combing (iv) The lengthwise thread in silk weaving
e Weighting (v) The crosswise thread in silk weaving