Class 12th Chemistry Biomolecules Free Test Quiz

#ChemistryClass12 #Biomolecules #FreeTestQuiz #ScienceStudents #ExamPreparation #StudySmart Prepare for your Class 12th Chemistry exam with our free test quiz on Biomolecules. Learn about carbohydrates, proteins, vitamins, and nucleic acids, including their classifications, structures, functions, and importance. Get insights into amino acids, peptide bonds, enzymes, DNA, RNA, and more. Ace your exam with comprehensive knowledge in biomolecules.

Are you ready to master the world of biomolecules? ?? From carbohydrates to proteins, vitamins to nucleic acids, our free test quiz has got you covered! ?

Check 12th Chemistry Biomolecules Chapter Knowledge

Class 12th Chemistry Chapter 14 Biomolecules Free Test Quiz

12th Chemistry: Biomolecules

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1. Glucose is found to exist in two different α and β crystalline forms. These forms can be obtained by.
(i) The α form of glucose is obtained by crystallisation from concentrated solution of glucose at 303 K.
(ii) The β form of glucose is obtained by crystallisation from concentrated solution of glucose at 303 K.
(iii) The β form is obtained by crystallisation from hot and saturated aqueous solution at 371 K.
(iv) The α form is obtained by crystallisation from hot and saturated aqueous solution at 371 K.

(i) and (iii)

(ii) and (iv)

(ii) and (iii)

(i) only

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2. Which of the following carbohydrate does not correspond to the general formula Cx(H₂O)y ?

Glucose

2-Deoxyribose

Fructose

Arabinose

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3. Which of the following statements is incorrect regarding glucose?

It is an aldohexose.

It is also known as dextrose

It is monomer of cellulose.

It is the least abundant organic compound on earth.

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4. A solution of D-glucose in water rotates the plane polarised light

to the right

to the left

to either side

None of these

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5. The reaction of glucose with red P + HI is called

Sandmeyer’s reaction

Reformatsky reaction

Gattermann’s reaction

Reduction

6 / 10

6. Which of the following monosaccharide is pentose?

Glucose

Fructose

Arabinose

Galactose

7 / 10

7. When glucose reacts with bromine water, the main product is

gluconic acid

glyceraldehyde

saccharic acid

acetic acid

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8. The sugar present in honey is

sucrose

glucose

fructose

maltose

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9. The α-D glucose and β-D glucose differ from each other due to difference in carbon atom with respect to its

conformation

configuration

number of OH groups

size of hemiacetal ring

10 / 10

10. Glucose does not react with

Br₂/H₂O

H₂NOH

NaHSO₃

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Chapter wise chemistry mock test quiz

? Carbohydrates ? Understand the classifications of aldoses and ketoses, delve into monosaccharides like glucose and fructose, explore oligosaccharides like sucrose, lactose, maltose, and discover the world of polysaccharides such as starch, cellulose, and glycogen. Learn about their significance in living organisms. ?

? Proteins ? Get an elementary idea of á-amino acids and their importance in forming proteins. Dive into the world of peptide bonds and polypeptides. Gain insights into the primary, secondary, tertiary, and quaternary structures of proteins (qualitative idea only) and understand the process of denaturation. Also, explore the fascinating world of enzymes and their role in biological reactions. ⚙️

? Vitamins ? Discover the classification of vitamins and their diverse functions in the human body. Unravel the essential role they play in maintaining overall health and supporting vital processes. ?

? Nucleic Acids ? Learn about the building blocks of life, DNA and RNA. Understand their structures, functions, and significance in genetic information transmission and protein synthesis. ?

Ace your Class 12th Chemistry exam with confidence! Take our free test quiz on Biomolecules and boost your understanding of these fundamental components of life. ??

FAQ

Q1: What is syllabus for class 12th chemistry chapter 14 mock test quiz.

Answer: Carbohydrates: Classification (aldoses and ketoses), monosaccharides (glucose and fructose),u003cbr/u003eoligosaccharides (sucrose, lactose, maltose), polysaccharides (starch, cellulose, glycogen);u003cbr/u003eimportance.u003cbr/u003eProteins: Elementary idea of á – amino acids, peptide bond, polypeptides, proteins, primaryu003cbr/u003estructure, secondary structure, tertiary structure and quaternary structure (qualitative idea only),u003cbr/u003edenaturation of proteins; enzymes.u003cbr/u003eVitamins: Classification and functions.u003cbr/u003eNucleic Acids: DNA and RNA.

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Answer: You can simply visit section of quiz for 12th class chemistry chapter 14 and start without any registration.

Q3: Is this really free to participate in 12th class chemistry chapter 14?

Answer: Yes! This is absolutely free to participate in 12th class chemistry chapter 14. You can try as many as time and improve your score.

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