Which of these statements is true about physical changes?(a) It involves the breaking of bonds(b) It involves a change in shape(c) It does not involve a change in shape(d) Melting of ice is a physical changeI got this question during a job interview.Origin of the question is Biomolecules topic in division Biomolecules of Biology – Class 11

Which of these statements is true about physical changes?(a) It involv

1.	Which of these statements is true about physical changes?(a) It involves the breaking of bonds(b) It involves a change in shape(c) It does not involve a change in shape(d) Melting of ice is a physical changeI got this question during a job interview.Origin of the question is Biomolecules topic in division Biomolecules of Biology – Class 11
Answer» The correct answer is (b) It INVOLVES a CHANGE in SHAPE Explanation: Physical changes involve a change in the shape of a substance but it does not involve the breaking of BONDS. Physical changes are reversible, unlike CHEMICAL changes. The melting of ice is a physical change.

Discussion

No Comment Found

Related InterviewSolutions

Velocity of an enzymatic reaction keeps on increasing with an increase in substrate concentration. True or false?(a) True(b) FalseThis question was addressed to me in an international level competition.This intriguing question originated from Biomolecules in portion Biomolecules of Biology – Class 11
The metabolic synthesis of biomolecules is known as _____(a) anabolism(b) catabolism(c) digestion(d) oxidationThe question was asked during an interview.My question is taken from Biomolecules topic in portion Biomolecules of Biology – Class 11
Which of these statements is false regarding metabolism?(a) Most reactions occur in metabolic pathways(b) One metabolic reaction is linked to another in most cases(c) Metabolic pathways are linear in nature(d) Various metabolic pathways may crisscross each otherI got this question in class test.I need to ask this question from Biomolecules in division Biomolecules of Biology – Class 11
Which of these units is not used to express the concentration of biomolecules?(a) Mols/cell(b) Mols/liter(c) Mols/microliter(d) Mols/kelvinThe question was asked in an international level competition.This key question is from Biomolecules in division Biomolecules of Biology – Class 11
What makes up the primary structure of proteins?(a) Peptides(b) Peptones(c) Amino acids(d) PolypeptidesThe question was asked by my college professor while I was bunking the class.I want to ask this question from Biomolecules topic in chapter Biomolecules of Biology – Class 11
The phosphate groups present in nucleotides are related to ______(a) pyrophosphoric acid(b) phosphorous acid(c) phosphoric acid(d) metaphosphoric acidThe question was asked at a job interview.My enquiry is from Biomolecules topic in chapter Biomolecules of Biology – Class 11
Which monosaccharide is present in nucleic acid?(a) Fructose(b) Galactose(c) Glucose(d) RiboseThis question was posed to me during an interview.Question is taken from Biomolecules topic in division Biomolecules of Biology – Class 11
Chitin is a _____(a) monomer(b) heteropolymer(c) homopolymer(d) dimerThe question was asked by my school teacher while I was bunking the class.Question is from Biomolecules in portion Biomolecules of Biology – Class 11
Which molecule can starch hold in its helix?(a) Iodine(b) DNA(c) Amylopectin(d) CelluloseThis question was addressed to me in an online quiz.This intriguing question comes from Biomolecules in chapter Biomolecules of Biology – Class 11
Inulin is a polymer of ______(a) glucose and fructose(b) glucose(c) fructose(d) glucose, fructose and galactoseI had been asked this question in an online interview.Asked question is from Biomolecules topic in portion Biomolecules of Biology – Class 11

Discussion

No Comment Found

Related InterviewSolutions

Reply to Comment