Class 12 Chemistry Chapter 14 Biomolecules MCQs In English

Class 12 Chemistry Chapter 14 Biomolecules MCQs In English

आज के इस लेख में आपलोगों के लिए Class 12 Chemistry Chapter 14 Biomolecules MCQs In English के बारे में जानेगे | जैसा की आप लोग जानते ही आज के दौर में ऑब्जेक्टिव क्वेश्चन बहुत ही इम्पोर्टेन्ट हो गया है | क्लास 12th केमिस्ट्री ऑब्जेक्टिव क्वेश्चन दिया गया गई |

यदि आप चाहते है की Biomolecules MCQs in Hindi के बारे पढ़े तो और साथ में Chemistry 12th हिंदी मध्यम के सभी चैप्टर ऑब्जेक्टिव क्वेश्चन पढ़ने के क्लिक करे Class 12 Chemistry Mcq In Hindi All Chapter || English Medium Mcq

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Class 12 Chemistry Chapter 14 Biomolecules MCQs In English

Class 12 Chemistry Chapter 14 Biomolecules MCQs In English

Q1.Which of the following compounds is found abundantly in nature?

  • (A) Fructose
  • (B) Starch
  • (C) Glucose
  • (D) Cellulose
Show Answer

(D) Cellulose

Q2. Glycosidic linkage is an

  • (A) amide linkage
  • (B) ester linkage
  • (C) ether linkage
  • (D) acetyl linkage
Show Answer

(C) ether linkage

Q3. Starch is composed of two polysaccharideswhich arc

  • (A) amylopectin and glycogen
  • (B) amylose and glycogen
  • (C) amylose (20%) and amylopectin (80%)
  • (D) cellulose and glycogen
Show Answer

(C) amylose (20%) and amylopectin (80%)

Q4. Which reagent is used to convert glucose intosaccharic acid?

  • (A) Br2/H2O
  • (B) Nitric acid
  • (C) Alkaline solution of iodine
  • (D) Ammonium hydroxide
Show Answer

(B) Nitric acid

Q5. Maltose is made up of

  • (A) two α-D-glucose
  • (B) normal β-D-glucose
  • (C) α- and β-D-glucose
  • (D) fructose
Show Answer

(A) two α-D-glucose

Q6. Which of the following is an example of analdopentose?

  • (A) D-Ribose
  • (B) Glyceraldehyde
  • (C) Fructose
  • (D) Erythrose
Show Answer

(A) D-Ribose

Q7. Which of the following treatment will convertstarch directly into glucose?

  • (A) Heating with dilute H2SO4
  • (B) Fermentation by diastase
  • (C) Fermentation by zymase
  • (D) Heating with dilute NaOH
Show Answer

(A) Heating with dilute H2SO4

Q8. The a-and p-forms of glucose are

  • (A) isomers of D (+) glucose and L (-) glucoserespectively
  • (B) diastereomers of glucose
  • (C) anomers of glucose
  • (D) isomers which differ in the configuration ofC-2
Show Answer

(C) anomers of glucose

Q9. What are the hydrolysis products of sucrose?

  • (A) Fructose + Fructose
  • (B) Glucose + Glucose
  • (C) Glucose + Galactose
  • (D) D-Glucose + D-Fructose
Show Answer

(D) D-Glucose + D-Fructose

Q10. Carbohydrates are stored in human body asthe polysaccharide

  • (A) starch
  • (B) glycogen
  • (C) cellulose
  • (D) amylose
Show Answer

(B) glycogen

Class 12 chemistry chapter 14 mcq questions and answers pdf

Q11. The conversion of maltose into glucose ispossible by the enzyme

  • (A) zymase
  • (B) lactase
  • (C) maltase
  • (D) diastase
Show Answer

(C) maltase

Q12. Which of the following is a non-reducingsugar?

  • (A) Glucose
  • (B) Sucrose
  • (C) Maltose
  • (D) Lactose
Show Answer

(B) Sucrose

Q13. Which one of the following is not correct?

  • (A) D(-) Fructose exist sin furanose structure
  • (B) D (+) Glucose exists in pyranose structure
  • (C) In sucrose the two monosaccharides areheld together by peptide linkage
  • (D) Maltose is a reducing sugar
Show Answer

(C) In sucrose the two monosaccharides areheld together by peptide linkage

Q14. In cellulose, D-glucose units are joined by

  • (A) α-1, 4 glycosidic linkage
  • (B) β-1, 6 glycosidic linkage
  • (C) β-1, 4 glycosidic linkage
  • (D) peptide linkage
Show Answer

(C) β-1, 4 glycosidic linkage

Q15. The anomeric carbon in D (+) glucose is

  • (A) C-1 carbon
  • (B) C-2 carbon
  • (C) C-3 carbon
  • (D) C-4 carbon
Show Answer

(A) C-1 carbon

Objective Question with Answer for Biomolecules Class 12 Chemistry

Q16. How many C-atoms are there is a pyranosering?

  • (A) 4
  • (B) 5
  • (C) 6
  • (D) 8
Show Answer

(C) 6

Q17. The letter ‘D’ in carbohydrates signifies

  • (A) dextrorotatory
  • (B) configuration
  • (C) diamagnetic nature
  • (D) mode of synthesis
Show Answer

(B) configuration

Q18. A diabetic person carries a packet of glucosewith him always, because

  • (A) glucose increases the blood sugar levelslowly
  • (B) glucose reduces the blood sugar level
  • (C) glucose increases the blood sugar levelalmost instantaneously
  • (D) glucose reduces the blood sugar levelslowly
Show Answer

(C) glucose increases the blood sugar levelalmost instantaneously

Q19. Among the naturally occurring carbohydrates,furanose ring is found in the

  • (A) Glucose unit of cane sugar
  • (B) Glucose unit of cellulose
  • (C) Fructose unit of cane sugar
  • (D) Galactose unit of lactose
Show Answer

(C) Fructose unit of cane sugar

Q20. Globular proteins are present in

  • (A) blood
  • (B) eggs
  • (C) milk
  • (D) all of these
Show Answer

(D) all of these

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CBSE Class 12 Chemistry Biomolecules MCQs in English

Pattern BasedBihar Board, Patna
Class12th or Inter
Article Name
Class 12 Chemistry Chapter 14 Biomolecules MCQs In English
CategoryClass 12 Chemistry Chapter Wise Objective Question
Chapter NameBiomolecules
SubjectClass 12 Chemistry
Class 12th English SummaryBSEB Class 12th English Summary
Class 10th Science All Chapter Objective Question
Class 10th Science All Chapter Objective Question
Type Of Question
Objective Question || 01 Marks
ScriptHindi And English Medium
Published OnBihari Academy
sarkari result
Updated: 26/10/2023 — 7:58 AM

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