Tag: chemistry

Quizzes (490) Questions (9892)

Questions Related to chemistry

Multiple choice chemistry animal fibre wool - animal fibre wool fibres from animals

Wool fibre can be obtain from_________.

  1. sheep

  2. goat

  3. llama

  4. all of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Although $sheeps$ are associated with the production of wool, there are certain $goats$ that produce wool fibre. Fibres such as Mohair from Angora goats, cashmere wool from many breeds of goats. $Llamas$ produce very soft and lanolin free wool. 

Multiple choice chemistry animal fibre wool - animal fibre wool fibres from animals

The term sericulture is used for which of the following purpose? 

  1. Production of silk

  2. Production of raw silk

  3. Rearing of silkworm

  4. Refinement of silk fibre
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Sericulture, or silk farming, is the rearing of silkworms for the production of raw silk.

Multiple choice chemistry animal fibre wool - animal fibre wool fibres from animals

Shearing does not hurt the sheep because :

  1. the uppermost layer of the skin is dead

  2. the shearing machine do not touch the skin of sheep

  3. sheep cannot feel the pain

  4. None of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The uppermost layer of the skin is dead.


Cutting or shaving the wool off of a Sheep is called shearing. Shearing doesn't usually hurt a Sheep. It is just like getting a hair cut.


 However, shearing requires skill so that the sheep is shorn efficiently and quickly without causing cuts or injury to the Sheep or shearer.


Hence the option A is correct.

Multiple choice chemistry animal fibre wool - animal fibre wool fibres from animals

Which kind of hazards are included in occupational hazards?

  1. Biological

  2. Chemical

  3. Physical

  4. All of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Occupational hazards are hazards experienced in the workplace. 


There are various types of occupational hazards depending on their nature namely, biological hazards, chemical hazards, physical hazards, psychosocial hazards.

Hence the option D is correct.

Multiple choice chemistry animal fibre wool - animal fibre wool fibres from animals

______ is the lung related disease.

  1. Silicosis

  2. Bronchitis

  3. Anemia

  4. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Silicosis is a form of occupational lung diseases a form of caused by inhalation of crystalline silica dust and is marked by inflammation and scarring in the form of nodular lesions in the upper lobes of the lungs.


It is a type of pneumoconiosis.

Hence the option A is correct.

Multiple choice chemistry animal fibre wool - animal fibre wool fibres from animals

Once the fibres have been obtained, they are made into _____________ by twisting the strands together.

  1. cloth

  2. strips

  3. yarn

  4. wool
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Yarn, it is a long continuous length of interlocked fibres, suitable for use in the production of textiles,sewing, crocheting, knitting, weaving, embroidery and ropemaking. Thread of  is a type of yarn intended for sewing by hand or machine.

Multiple choice chemistry animal fibre wool - animal fibre wool fibres from animals

Fiber particles can deposit in the ________ .

  1. eyes

  2. ears

  3. lungs

  4. Throts
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Fibre particle can deposit in the lungs. 


This occupational disease is also known as silicosis. 

Silicosis is a form of occupational lungs disease caused by inhalation of crystalline silica dust and is marked by inflammation and scarring in the form of nodular lesions in the upper lobes of the lungs. 

It is a type of pneumoconiosis.

Hence the option C is correct.

Multiple choice chemistry animal fibre wool - animal fibre wool fibres from animals

What is occupational hazards?

  1. Hazards experienced at workplace

  2. Hazards experienced at home

  3. Hazards experienced at public place

  4. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Occupational hazards are risks or dangers that are specifically associated with a person's work environment or job duties.

Multiple choice chemistry animal fibre wool - animal fibre wool fibres from animals

During fiber making _______ can occur.

  1. physical hazards

  2. chemical hazards

  3. biological hazards

  4. none of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The process of Fibre making involves a lot of physical hazards such as physical injuries during the process, heat, noise, dust, etc.


Hence the option A is correct.