ECAT Pre Engineering Chemistry Chapter 25 MCQ Test With Answer

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Farzand Shah Farzand Shah 23 - May - 2024 02 Min 04 Sec 120/120
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Nasreen Sardar 12 - Jun - 2023 01 Min 09 Sec 115/120
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Alizairfan 27 - May - 2024 04 Min 23 Sec 90/120
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GOVT. SUFFA EDUCATION CENTER GIRLS MURIDKE 30 - May - 2024 05 Min 09 Sec 90/120

ECAT Chemistry Chapter 25 Important MCQ's

Sr.#	Question	Answer
1	A fat or oil is characterised for extent of unsaturation by one of the following number, which one	A. Rancidity number B. Acid number C. Iodine number D. Saponicfication number
2	Which of the following enzymes brings about the hydrolysis of fats?	A. Urease B. Maltase C. Zymase D. Lypase
3	Enzymes catalyse all biological reactions occurring in the cell. What is true about an enzyme	A. Enzyme is a small molecule B. Enzyme is acidic in nature C. Enzyme is a protein D. Enzyme is a lipid
4	The reaction between fat and NaOH is called:	A. Esterification B. Hydrogenolysis C. Fermentation D. Sponification
5	Which of the following is a molecular diseases?	A. Allergy B. Cancer C. German measles D. Sickle cell anemia
6	Which teat is not given by both glucose and fructose	A. Give yellow ppt of CHl₃with alkaline aqueous iodine B. With 2, 4-DNPH give yellow ppt of hydrazone C. Evolve H₂gas with Na metal D. Oxidised with [Ag(NH₃)₂]⁺i.e. Tollen's reagent
7	When a nitrogeneous base combine with a sugar it is called	A. Ribose B. Nucleotides C. Nucleoside D. None
8	A nucleoside may be	A. Ribonuleoside B. Deoxyribonucleoside C. Both a and b D. None
9	Plastics are a pollution problem because many plastics	A. Are made from petroleum B. Are very inflammable C. Burn to produce toxic fumes D. Decompose to produce toxic products
10	Iodine value of an oil or fat may be defined as	A. The number of grams of iodine taken up by 1 g of the oil or fat B. The number of grams of iodine taken by 10 g of the oil or fat C. The number of grams of iodine taken by 100 g of the oil or fat D. None of the above

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ECAT Pre Engineering Chemistry Chapter 25 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 25 Macromolecules

ECAT Chemistry Chapter 25 Macromolecules

Which of the following is obtained by condensation polymerization?

Orlon is a polymer of

The simplest separating unit of a polymer is called:

Which is a protein?

The development of disagreeable odur in fats or oil is called

Which of the following is an example of ketohexose?

Which of the following is a constituent of nylon?

Two or more similar monomers combine to form:

The stroids of fungi and yeast and yeast are called:

Which one of the following is a water soluble vitamin

A condensation polymer among the following is

Which of the following is not present in RNA?

The other name of cross linked polymers is

Bakelite is obtained from phenol by reacting with

How is the secondary structure of protein stabilized

Bakelite is a product formed form

The reaction between fat and NaOH is called:

The number of amino acids found in proteins that a human body can synthesize is

A sequence of how many nucleotides in massenger RNA makes a codon for an amino acid

Which of the following is not an example of addition polymer?

Which is the derived lipid?

Which of these polymers is an addition polymer

The temp. and pressure used for PVC polymerization is

The raw material to form nylon is

Which teat is not given by both glucose and fructose

Purine derivative among the following bases is

Which of the following is a biodegradable polymer?

Which of the following is a steroid

Hydrolysis of sucrose is called

Which behaves as insulator for animals body?

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ECAT Chemistry Chapter 25 Important MCQ's

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