CBSE Class 7 Science Fibre to Fabric MCQs

 

CBSE Class 7 Science Fibre to Fabric MCQs

Refer to CBSE Class 7 Science Fibre to Fabric MCQs provided below available for download in Pdf. The MCQ Questions for Class 7 Science with answers are aligned as per the latest syllabus and exam pattern suggested by CBSE, NCERT and KVS. Multiple Choice Questions for Chapter 3 Fibre to Fabric are an important part of exams for Class 7 Science and if practiced properly can help you to improve your understanding and get higher marks. Refer to more Chapter-wise MCQs for CBSE Class 7 Science and also download more latest study material for all subjects.

नीचे दिए गए CBSE कक्षा 7 विज्ञान फाइबर से फैब्रिक MCQs देखें जो Pdf में डाउनलोड के लिए उपलब्ध हैं। उत्तर के साथ कक्षा 7 विज्ञान के लिए MCQ प्रश्न CBSE, NCERT और KVS द्वारा सुझाए गए नवीनतम पाठ्यक्रम और परीक्षा पैटर्न के अनुसार संरेखित हैं। अध्याय 3 फाइबर से फैब्रिक के लिए बहुविकल्पीय प्रश्न कक्षा 7 विज्ञान के लिए परीक्षाओं का एक महत्वपूर्ण हिस्सा हैं और यदि ठीक से अभ्यास किया जाए तो आपको अपनी समझ को बेहतर बनाने और उच्च अंक प्राप्त करने में मदद मिल सकती है। CBSE कक्षा 7 विज्ञान के लिए अधिक अध्याय-वार MCQ देखें और सभी विषयों के लिए अधिक नवीनतम अध्ययन सामग्री भी डाउनलोड करें। 



MCQ for Class 7 Science Chapter 3 Fibre to Fabric

Class 7 Science students should refer to the following multiple-choice questions with answers for Chapter 3 Fibre to Fabric in Class 7.

कक्षा 7 विज्ञान के छात्रों को कक्षा 7 के अध्याय 3 रेशे से कपड़ा के लिए निम्नलिखित बहुविकल्पीय प्रश्नों के उत्तर देखने चाहिए।

Chapter 3 Fibre to Fabric MCQ Questions Class 7 Science with Answers

 

Question. Which of the following does not yield wool? ( )
a. Yak
b. Camel
c. Goat
d. Woolly dog

Answer: D

Question. Which type of wool is common in Tibet and Ladhak? ( )
a. Yak
b. sheep wool 
c. Angora wool  
d. Pashmina wool

Answer: D

Question. ______________type of wool is commonly available in the market( ) 
a. Sheep wool
b. Yak wool
c. Angora wool
d. Camel wool

Answer: A

Question. Pashmina shawls are found in ( )
a. South America
b. Kashmir
c. South Africa
d. Gujarat

Answer: B

Question. The process of removing the fleece of sheep along with a thin Layer of skin is called 
a. Rearing 
b. Shearing
c. Sorting
d. Scouring 

Answer: B

Question. The bacterium by which the people working in wool industry getinfected is ( )
a. Rhizobium
b. Anthrax 
c. Streptococcus
d. Bacillus

Answer: B

Question. The rearing of silkworms to obtain silk is called ( )
a. Sericulture
b. Horticulture
c. Agriculture
d. Aqua-culture 

Answer: A

Question. Food of the caterpillar in case of silk moth is ( )
a. Mulberry leaves 
b. Neem leaves
c. Tulsi Leaves
d. Pudina leaves 

Answer: A

Question. Silk fibre obtained from silk moth is_________ ( )
a. Carbohydrate
b. Fat
c. Protein
d. Sugars

Answer: C

Question. Find from the following where Silk Industry began ( )
a. India
b. China 
c. Tibet
d. Africa

Answer: B

Question. For how long do the caterpillars eat mulberry leaves? ( )
a. 10 to 15 days
b. 20 to 30 days 
c. 25 to 30 days 
d. 5 to 10 days

Answer: C

Question. Woollen clothes are made from ( )
a. Animals 
b. Plants
c. Insects
d. Bacteria

Answer: A

 

Question. The process of taking out threads from the cocoon for use as silk is called:
(a) reeling the silk
(b) reeling silk worms
(c) both of them
(d) none of these

Answer:  A

Question. Weavers weaves the silk thread into
(a) Silk yarn
(b) Silk fleece
(c) Silk cloth
(d) Silk cotton

Answer:  A

Question. Which type of wool is common in Ladakh and Tibet?
(a) Yak wool
(b) Sheep wool
(c) Angora wool
(d) Pashmina wool

Answer:  A

Question. What is the scientific name of mulberry tree?
(a) Magnifera indica
(b) Morus alba
(c) Desmodium girence
(d) None of these

Answer:  B

Question. Silk industry began in:
(a) China
(b) India
(c) Japan
(d) Korea

Answer:  A

Question. Which of the following fibres are made into wool for sweaters?
(a) Shorter fibres
(b) Longer fibres
(c) Both (a) and (b)
(d) None of these

Answer:  B

Question. Removal of wool from a sheep is known as
(a) rearing
(b) shearing
(c) sorting
(d) scouring

Answer:  B

Question. Which of the following is not a type of silk?
(a) Mulberry silk
(b) Tassar silk
(c) Mooga silk
(d) Moth silk

Answer:  D

Question. Best quality of wool is obtained from
(a) Merino sheep
(b) Goat
(c) Paschimini sheep
(d) Kashmiri sheep

Answer:  A

Question. Silk worms are made of:
(a) protein
(b) vitamins
(c) minerals
(d) all of these

Answer:  A

Question. The bringing up and looking after the sheep is called:
(a) rearing
(b) shearing
(c) scouring
(d) all of these

Answer:  A

Question. Silkworms feed on leaves of
(a) Guava
(b) Mulberry
(c) Banana
(d) Mango

Answer:  B

Question. The caterpillars of silkworms feed on
(a) peepal leaves
(b) grass
(c) rose leaves
(d) mulberry leaves

Answer:  D

Question. Silk is obtained from
(a) Llama
(b) yak
(c) sheep
(d) cocoon

Answer:  D

Question. In which of the following processes new offspring with special characters is produced by selecting parents?
(a) Translation
(b) Selective breeding
(c) Separating
(d) Rearing

Answer:  B

Question. Which bacterium causes a fatal blood disease ?
(a) Rhizobium
(b) Anthrax
(c) Both rhizobium and anthox
(d) None of these

Answer:  A

Question. Wool and silk fibres are obtained from:
(a) plants
(b) animals
(c) plants and animals
(d) all of these

Answer:  A

Question. Which of the following materials is/are used for clothing in ancient times?
(a) Animal skins
(b) Leaves
(c) Vines
(d) All of these

Answer:  D

Question. Which of the following wool-yielding animal is suitable for making Pashmina shawls?
(a) Kashmiri goat
(b) Angora goat
(c) Llama
(d) Alpaca

Answer:  A

Question. Which part of the black sheep have wool ?
(a) Legs
(b) Face
(c) Abdomen and back
(d) All of these

Answer:  A

Question. Woollen fibres are obtained from which of the following things?
(a) Wool worms.
(b) Carbon compounds.
(c) Fleece of sheep.
(d) Cotton plants.

Answer:  C

Question. Which of the following is naturally occurring polymer?
(A Polythene
(B) Starch
(C) Nylon
(D) Teflon

Answer: B

Question. Neoprene is a polymer of
(A) chloroprene
(B) chloroquin
(C) propylene
(D) isoprene

Answer: A

Question. The monomer unit of PVC is:
(A) vinyl chloride
(B) ethylene
(C) chloroprene
(D) acrylonitrile

Answer: A

Question. Nylon-66 is obtained from
(A) hexamethylene diamine and adipic acid
(B) phenol and formaldehyde
(C) propylene and adipic acid
(D) adipic acid and phthalic acid

Answer: A

Question. Which of the following is not an example of addition polymer?
(A) Polystyrene
(B) Polyethylene
(C) Polypropylene
(D) Terylene

Answer: D

Question. Buna-S is obtained by the polymerisation of butadiene and
(A) chloroprene
(B) styrene
(C) acrylonitrile
(D) adipic acid

Answer: B

Question. F2C = CF2is a monomer of
(A) glyptal
(B) teflon
(C) orlon
(D) buna-S

Answer: B

Question. Natural rubber is
(A) neoprene
(B) trans-polyisoprene
(C) cis-polyisoprene
(D) butyl rubber

Answer: C

Question. Terylene is a polymer of ethylene glycol and
(A) phthalic acid
(B) terephthalic acid
(C) adipic acid
(D) 1,6-hexadiamine

Answer: B

Question. Which of the following is not a step growth polymer?
(A) Polybutadine
(B) Nylon-6,6
(C) Glyptal
(D) Terylene

Answer: A

Question. Peptide bond is present in
(A) carbohydrates
(B) nucleic acids
(C)a-amino acids
(D) proteins

Answer: D

Question. Which of the following fibres are made of polyamides?
(A) Dacron
(B) Orlon
(C) Nylon-6, 6
(D) Rayon

Answer: C

Question. Nylon-6, 6 is made from
(A) 1,3-butadiene
(B) chloroprene
(C) adipic acid
(D) caprolactam

Answer: D

Question. Self drinks and baby feeding bottles are generally made up of
(A) Polyester
(B) Polyurethane
(C) Polyurea
(D) Polyamide

Answer: A

Question. Teflon is a polymer of
(A) tetrafluoroethylene
(B) tetraiodoethylene
(C) tetrabromoethylene
(D) tetrachloroethylene.

Answer: A

Question. Which of the following is used in paints?
(A)Terylene
(B) Nylon
(C) Glyptal
(D) Chloroprene

Answer: C

Question. Which of the following is a biodegradable polymer?
(A) Cellulose
(B) Polystyrene
(C) Polyvinylchloride
(D) Nylon-6, 6

Answer: A

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