Mcqs

Life Sciences Mcqs

Our 1000+ Life Sciences MCQs (Multiple Choice Questions and Answers) focus on all areas of Life Sciences covering 100+ topics. These topics are chosen from a collection of the most authoritative and best reference books on Life Sciences. One should spend 1 hour daily practicing these MCQs for 2-3 months to learn and assimilate the Life Sciences subjects comprehensively. This way of systematic learning will prepare anyone easily for Life Sciences exams, contests, online tests, quizzes, MCQ-tests, viva-voce, interviews, and certifications.

 

Life Sciences Multiple Choice Questions Highlights

  • 1000+ Multiple Choice Questions & Answers (MCQs) in Life Sciences with a detailed explanation of every question.
  • These MCQs cover theoretical concepts, true-false(T/F) statements, fill-in-the-blanks, and match the following style statements.
  • These MCQs also cover numerical as well as diagram-oriented MCQs.
  • These MCQs are organized chapterwise and each Chapter is further organized topicwise.
  • Every MCQ set focuses on a specific topic of a given Chapter in the Life Sciences Subject.

 

Who should Practice Life Sciences MCQs?

  • Students who are preparing for college tests and exams such as mid-term tests and semester tests on Life Sciences.
  • Students who are preparing for Online/Offline Tests/Contests in Life Sciences.
  • Students who wish to sharpen their knowledge of the Life Sciences Subject.
  • Anyone preparing for Aptitude test in Life Sciences.
  • Anyone preparing for interviews (campus/off-campus interviews, walk-in interviews and company interviews).
  • Anyone preparing for entrance examinations and other competitive examinations.
  • All - Experienced, Freshers and College / School Students.

 

Life Sciences Chapters

Here's the list of chapters on the "Life Sciences" subject covering 100+ topics.

  • Biomolecules and Catalysis
  • Bioenergetics and Metabolism
  • Cell Structure and Functions
  • Prokaryotes and Viruses
  • Immunology
  • Diversity of Life
  • Genetics
  • Molecular Genetics
  • Recombinant DNA Technology
  • Plant Physiology
  • Human Physiology
  • Ecology

 

Latest Popular
Q:

Name the amino acid, which exists in two non-superimposable mirror images of each other.

A) Epimer B) Anomer
C) Enantiomer D) Chiral carbon
 
Answer & Explanation Answer: C) Enantiomer

Explanation: When an amino acid with a chiral carbon exists in two non-superimposable mirror images of each other, it is called enantiomers. It can be easily identified by its configuration.

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Category: Biotech Engineering MCQs
Sub Category: Life Sciences Mcqs

100
Q:

A solution of L-alanine (4.0g/50 ml of 6 N HCl) has a rotation of +1.61° in a 2dm polarimeter tube. Calculate the specific rotation of L-alanine in 6 N HCl.

A) +15.1° B) +10.1°
C) +11.1° D) +16.1°
 
Answer & Explanation Answer: B) +10.1°

Explanation: [?] = ?°/ l×C; +1.61/2×0.08
[?]= +10.1°.

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Category: Biotech Engineering MCQs
Sub Category: Life Sciences Mcqs

118
Q:

Which of these are used to measure optical activity?

A) Polarimeter B) Planometer
C) Psychrometer D) Photometer
 
Answer & Explanation Answer: A) Polarimeter

Explanation: Polarimeter is used to measure the rotation of polarized light while planometer is used for area measurement and psychrometer measure humidity. Similarly, photometer measures illuminance or irradiance.

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Category: Biotech Engineering MCQs
Sub Category: Life Sciences Mcqs

29
Q:

Which of these amino acids are not optically active?

A) Cysteine B) Lysine
C) Arginine D) Glycine
 
Answer & Explanation Answer: D) Glycine

Explanation: When a carbon atom has four different constituents, it is said to be chiral. All amino acids have chiral carbon except glycine and hence they are optically active.

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Category: Biotech Engineering MCQs
Sub Category: Life Sciences Mcqs

34
Q:

An amino acid is an amphoteric molecule.

A) True B) False
 
Answer & Explanation Answer: A) True

Explanation: When an amino acid dissolved in water, it acts as acid or base and called as the zwitterion or dipolar ion. Hence, an amino acid is an amphoteric molecule.

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Category: Biotech Engineering MCQs
Sub Category: Life Sciences Mcqs

36
Q:

The general structure of all amino acids are same except for ___________

A) Lysine B) Glycine
C) Proline D) Alanine
 
Answer & Explanation Answer: C) Proline

Explanation: In general, all ?-amino acid consists of an amino group, a hydrogen atom, and a distinctive side chain, all bonded to ?-carbon. Proline is the only amino acid which has a cyclic distinctive side chain which differs from all other amino acids.

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Category: Biotech Engineering MCQs
Sub Category: Life Sciences Mcqs

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