Which one of the following is enriched with a non-reducing sugar?

Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

1.

One molecule of triglyceride is produced using

  • one fatty acid and one glycerol

  • one fatty acid and three glycerols

  • three fatty acids and three glycerols

  • three fatty acids and one glycerol


2.

Glutenin is an important protein in

  • potato

  • wheat

  • soyabean

  • spinach


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3.

Which one of the following is enriched with a non-reducing sugar?

  • Grapes

  • Germinating barley grains

  • Table sugar

  • Mother's milk


C.

Table sugar

Sucrose is a disaccharide. It is commonly known as sugar, table sugar, cane sugar or beet sugar. It is enriched with non- reducing sugars because it is a carbohydrate which is not oxidised by a weak oxidising agent in basic aqueaous solution, i.e., it does not generate any compounds containing an aldehyde group. Sugar found in other given options ore grapes glucose and fructose (in grapes), grains maltose in germinating barley and lactose in mother's milk are all enriched with a reducing sugar, i.e., they has an aldehyde group or are capable of forming one in solution through isomerism.


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4.

Select the correct statement related to mitosis.

  • Amount of DNA in the parent cell is first halved and then distributed into two daughter cells

  • Amount of DNA in the parent cell is first doubled and then distributed into two daughter cells

  • Amount of DNA in the parent cell is first halved and then distributed into four daughter cells

  • Amount of DNA in the parent cell is first doubled and then distributed into four daughter cells


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5.

Chlorophyll molecules are located in the

  • thylakoid membrane

  • thylakoid lumen

  • stroma

  • inner chloroplast membrane


6.

The primary cell wall is mainly made up of

  • lignin

  • pectin

  • cellulose

  • protein


7.

Which of the following statements is wrong for sucrose?

  • It is a disaccharide

  • It is a non-reducing sugar

  • It accumulates in the cytoplasm

  • It is comprised of maltose and fructose


8.

Which of the following is always absent in prokaryotic cells?

  • Ribosome

  • Mitochondria

  • DNA

  • Cell wall


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9.

Which of the following tissues provide maximum mechanical support to plant organs?

  • Sclerenchyma

  • Collenchyma

  • Parenchyma

  • Aerenchyma


10.

The Respiratory Quotient (RQ) of glucose is

  • 0.5

  • 0.7

  • 1.0

  • 1.5


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