The dietary fibres are from Class 12 TET Previous Year Board Pap

Subject

Science

Class

TET Class 12

Pre Boards

Practice to excel and get familiar with the paper pattern and the type of questions. Check you answers with answer keys provided.

Sample Papers

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 Multiple Choice QuestionsMultiple Choice Questions

1.

Given below are a few chemical processes
A. Rusting of iron
B. Burning of a candle
C. Respiration
D. Photosynthesis'

Which two of these represent slow combustion? 

  • D and A

  • A and C

  • B and C

  • B and D


2.

The smallest of living organisms with cell wall are

  • yeast

  • cyanobacteria

  • algae

  • bacteria


3.

When CNG or LPG undergoes complete combustion, the products formed are

  • CO2 and H2O

  • CO2, SO2, and H2O

  • CO2 only

  • CO2, CO, and H2O


4.

Assessment in Science should focus more on testing the ability of students to

  • answer open-ended questions

  • be sufficiently equipped for higher learning

  • state the facts and principles of Science correctly

  • apply the understanding of concepts to unfamiliar situations in everyday life


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5.

The SI unit of calorific value is

  • J/kg

  • Kilocalorie/kg

  • kJ/kg

  • Calorie


6.

The process of converting sugars into alcohols is known as

  • pasteurisation

  • sterilisation

  • homogenisation

  • fermentation


7.

One of the main limitations of the Project method of teaching Science is that

  • knowledge is not acquired in a sequential manner

  • integration of concept in various subjects can be achieved

  • the students have to perform excessive mental and physical work

  • it is a psychological method


8.

Summative Assessment in Science should mainly focus on 

  • assessing observation skills

  • diagnosing the areas of learning difficulties of students

  • testing of mainly the practical skills

  • testing important theoretical concepts


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9.

The dietary fibres are

  • made up of collagen fibres

  • made up of proteins

  • also called roughage

  • made up of cellulose and proteins


C.

also called roughage

In a balanced diet, main nutrients are carbohydrates, proteins, fats, vitamins and mineral salts. Beside this dietary fibres and water are also included in our diet. Dietary fibres are also called roughage. The requirement of dietary fibres completes from plant products. The main sources of dietary fibres are pulses, fresh fruit juice and vegetables. These fibres also help in the ejection of undigested food from our body in the form of faeces.


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10.

If the frequency of vibrations of a body is decreased and its amplitude is increased, then

  • pitch increases but loudness decreases

  • pitch decreases but loudness increases

  • both pitch and loudness of sound produced will increase.

  • both pitch and loudness of sound produced will decrease


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