Code: 100708Computer Science & Eng.7th Semester3 Examination Papers

Biology for Engineers

Official Bihar Engineering University examination question papers, marks distribution, and questions transcript. Available exam sessions: 2025, 2022, 2021.

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Official Exam Paper TranscriptB.Tech 7th Semester Examination, 2025
Bihar Engineering University, Patna
B.Tech 7th Semester Examination, 2025

Biology for Engineers

Time: 03 HoursCode: 100708Course: B.TechFull Marks: 70

Instructions:

  1. The marks are indicated in the right-hand margin.
  2. There are NINE questions in this paper.
  3. Attempt FIVE questions in all.
  4. Question No. 1 is compulsory.
Q.1 Choose the correct option / answer the following (Any seven question only):[2 x 7 = 14]

  1. Which major factor differentiates DNA from RNA?

    1. Guanine
    2. Cytosine
    3. Thymine
    4. Uracil

  2. Branch of science dealing with classification of organisms is called as ____

    1. Bioautonomy
    2. Taxonomy
    3. Nomenclature
    4. Specialization

  3. What is the nature of charges that amino acid side chains carry?

    1. Positive
    2. Negative
    3. Neutral
    4. A and B

  4. Which of the following is not an exclusive characteristic of living organisms?

    1. Consciousness
    2. Movement
    3. Metabolism
    4. Reproduction

  5. The protein may consist of ____

    1. Polar residues
    2. Non polar residues
    3. Slightly polar residues
    4. Polar residues and non polar residues

  6. Who is known as the "Father of Genetics"?

    1. Morgan
    2. Mendel
    3. Watson
    4. Bateson

  7. Which part of the body is the control center for the nervous system?

    1. Leg
    2. Stomach
    3. Brain
    4. Heart

  8. What is the function of smooth ER (SER)?

    1. Protein production
    2. Provides smoothness to the cell
    3. Provides attachment with mitochondria
    4. Synthesis and transport of lipids

  9. The simplest amino acid is

    1. glycine
    2. alanine
    3. asparagine
    4. tyrosine

  10. What is the nature of charges that amino acid side chains carry?

    1. Positive
    2. Negative
    3. Neutral
    4. A and B
Q.2 Solve both questions :[14]

  1. Compare Prokaryotic and Eukaryotic cell with suitable diagram.

  2. How autotrophs utilize carbon and energy.

Q.3 Solve both questions :[14]

  1. What are enzymes and explain its role in plants?

  2. What are carbohydrates? Write any four functions of carbohydrates.

Q.4 Solve both questions :[14]

  1. Write short notes on fundamental differences between science and engineering.

  2. Compare Eye and Camera.

Q.5 Solve both questions :[14]

  1. What is Mitotic Cell division? Explain Mitosis with neat diagram.

  2. Give brief account on Dominant Epistasis with suitable example.

Q.6 Solve both questions :[14]

  1. Describe glycolysis in detail with suitable diagram.

  2. Explain identification and classification of microorganisms.

Q.7 Solve both questions :[14]

  1. What is the concept of single celled organisms?

  2. Explain briefly the sterilization and media compositions.

Q.8 Solve both questions :[14]

  1. Compare the exothermic and endothermic reactions.

  2. Discuss "Proteins as enzymes, transporters and structural elements".

Q.9 Write Short notes on any two of the following:[7 x 2 = 14]

  1. Glycolysis

  2. Working of Human Eye

  3. DNA and RNA

  4. Photosynthesis

Related Official Syllabus

Biology for Engineers

100708

Official BEU curriculum units & topics for this examination subject.

Module 1: Introduction

To Convey That Biology Is As Important A Scientific Discipline As Mathematics, Physics And Chemistry • Bring Out The Fundamental Differences Between Science And Engineering By Drawing A Comparison Between Eye And Camera, Bird Flying And Aircraft • Mention The Most Exciting Aspect Of Biology As An Independent Scientific Discipline • Why Do We Need To Study Biology • Discuss How Biological Observations Of The 18th Century Lead To Major Discoveries • Examples From Brownian Motion And The Origin Of Thermodynamics By Referring To The Original Observation Of Robert Brown And Julius Mayor • These Examples Will Highlight The Fundamental Importance Of Observations In Any Scientific Inquiry

Module 2: Classification

To Convey That Classification Per Se Is Not What Biology Is All About • The Underlying Criterion, Such As Morphological, Biochemical Or Ecological, Can Be Highlighted • Hierarchy Of Life Forms At Phenomenological Level • A Common Thread Weaves This Hierarchy Classification • Discuss Classification Based On (a) Cellularity Unicellular Or Multicellular (b) Ultrastructure Prokaryotes Or Eukaryotes • Energy And Carbon Utilisation Autotrophs, Heterotrophs, Lithotrophs • Ammonia Excretion Ammonotelic, Uricotelic, Ureotelic • Habitat Aquatic Or Terrestrial • Molecular Taxonomy Three Major Kingdoms Of Life • A Given Organism Can Come Under Different Categories Based On Classification • Model Organisms For The Study Of Biology Come From Different Groups • E.coli, S.cerevisiae, D. Melanogaster, C. Elegance, A. Thaliana, M. Musculus

Module 3: Genetics

To Convey That Genetics Is To Biology What Newton's Laws Are To Physical Sciences • Mendel's Laws • Concept Of Segregation And Independent Assortment • Concept Of Allele • Gene Mapping • Gene Interaction • Epistasis • Meiosis And Mitosis Are Taught As A Part Of Genetics • Emphasis To Be Given Not To The Mechanics Of Cell Division Nor The Phases But How Genetic Material Passed From Parent To Offspring • Concepts Of Recessiveness And Dominance • Concept Of Mapping Of Phenotype To Genes • Discuss About The Single Gene Disorders In Humans • Discuss The Concept Of Complementation Using Human Genetics

Module 4: Biomolecules

To Convey That All Forms Of Life Have The Same Building Blocks And Yet The Manifestations Are As Diverse As One Can Imagine • Molecules Of Life • In This Context Discuss Monomeric Units And Polymeric Structures • Discuss About Sugars, Starch And Cellulose • Amino Acids And Proteins • Nucleotides And DNA/RNA • Two Carbon Units And Lipids

Module 5: Enzymes

To Convey That Without Catalysis Life Would Not Have Existed On Earth • Enzymology • How To Monitor Enzyme Catalysed Reactions • How Does An Enzyme Catalyse Reactions • Enzyme Classification • Mechanism Of Enzyme Action • Discuss At Least Two Examples • Enzyme Kinetics And Kinetic Parameters • Why Should We Know These Parameters To Understand Biology • RNA Catalysis

View Complete 7th Semester Syllabus

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