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2024 100401

B.Tech 4th Semester Examination, 2024

Time 03 Hours
Full Marks 70
Instructions:
  • The marks are indicated in the right-hand margin.
  • There are NINE questions in this paper.
  • Attempt FIVE questions in all.
  • Question No. 1 is compulsory.

Q.1 Choose the correct answer of the following (any seven question only):

Q1.1

Which of the following best describes the primary function of red blood cells in human body?

a)

To provide immunity

b)

To help with digestion

c)

To fight infections

d)

To transport oxygen

Q1.2

In recombinant DNA technology, which of the following enzymes is used to cut DNA at specific locations?

a)

Ligase

b)

RNA polymerase

c)

DNA polymerase

d)

Restriction enzyme

Q1.3

Which of the following is a primary concern regarding the use of genetically modified organisms (GMOs)?

a)

Ethical concerns and environmental impact

b)

Reduced food production

c)

higher levels of vitamins

d)

Increased biodiversity

Q1.4

Which of the following is used for comparing biological sequences, such as genes or proteins, to identify similarities or differences?

a)

Microarray analysis

b)

PCR (Polymerase Chain Reaction)

c)

Chromatography

d)

BLAST (Basic Local Alignment Search Tool)

Q1.5

In bioinformatics, which of the following databases would likely be used for storing protein structure information?

a)

Gen Bank

b)

Protein Data Bank (PDB)

c)

UniProt

d)

Ensembl

Q1.6

Which of the following materials is commonly used in medical implants due to its biocompatibility and corrosion resistance?

a)

Steel

b)

Gold

c)

Titanium

d)

Aluminum

Q1.7

A key property of biomaterials used in medical devices is:

a)

Biocompatibility

b)

High reactivity

c)

High conductivity

d)

High porosity

Q1.8

Bioremediation refers to the use of:

a)

Heat treatment for waste disposal

b)

Chemical agents to neutralize toxins

c)

Mechanical devices to extract toxins

d)

Organisms to clean up environmental pollutants

Q1.9

Which of the following is a major advantage of using algae in biofuels production?

a)

Low environmental impact

b)

Easy cultivation on land

c)

Absence of carbon dioxide emissions

d)

High energy content

Q1.10

Which type of microorganisms is commonly used in the production of antibiotics?

a)

Bacteria

b)

Protozoa

c)

Viruses

d)

Fungi

Q.2 Solve both questions :

Q2.1

What is bioremediation? Explain the principles of bioremediation in details.

Q2.2

What is the importance of databases like Gen Bank in bioinformatics?

Q.3 Solve both questions :

Q3.1

Describe the four levels of protein structure (primary, secondary, tertiary, and quaternary).

Q3.2

Explain the role of biosensors in detecting diseases. How can engineers use biosensors to detect pathogens or monitor health conditions?

Q.4 Solve both questions :

Q4.1

How can biofuels contribute to sustainable energy production? Explain in details.

Q4.2

Explain the concept of protein folding. How do bioinformatics tools help predict the three-dimensional structure of proteins from their amino acid sequences?

Q.5 Solve both questions :

Q5.1

What is biofuel? Explain biofuels contribute to sustainable energy production.

Q5.2

What are mutations in DNA? Discuss the various types of mutations (point mutation, insertion, deletion) and their potential effects of protein function.

Q.6 Solve both questions :

Q6.1

Define biomolecules and classify them into their major categories.

Q6.2

What are the principles of bioremediation? Provide examples of how biotechnology is applied to clean up wastewater treatment.

Q.7 Solve this question :

Q7.1

Discuss any exceptions to Mendel's laws of inheritance, including incomplete dominance, co-dominance, and epistasis. Explain with examples.

Q.8 Solve both questions :

Q8.1

Discuss the role of microorganisms in biotechnology. Provide examples of how microorganisms are used in production of pharmaceuticals, biofuels, and food products.

Q.9 Write short notes on any two of the following:-

Q9.1
a)

Explain Mendel's first law (Law of Segregation).

b)

What are macromolecules? Explain with examples.

c)

Explain the concept of enzyme inhibition.

d)

What is the role of cofactors and coenzymes in enzyme function?

2024 V2 100401

B.Tech 4th Semester Examination, 2024

Time 03 Hours
Full Marks 70
Instructions:
  • The marks are indicated in the right-hand margin.
  • There are NINE questions in this paper.
  • Attempt FIVE questions in all.
  • Question No. 1 is compulsory.

Q.1 Choose the correct answer of the following (any seven question only):

Q1.1

Which of the following best describes the primary function of red blood cells in human body?

a)

To provide immunity

b)

To help with digestion

c)

To fight infections

d)

To transport oxygen

Q1.2

In recombinant DNA technology, which of the following enzymes is used to cut DNA at specific locations?

a)

Ligase

b)

RNA polymerase

c)

DNA polymerase

d)

Restriction enzyme

Q1.3

Which of the following is a primary concern regarding the use of genetically modified organisms (GMOs)?

a)

Ethical concerns and environmental impact

b)

Reduced food production

c)

higher levels of vitamins

d)

Increased biodiversity

Q1.4

Which of the following is used for comparing biological sequences, such as genes or proteins, to identify similarities or differences?

a)

Microarray analysis

b)

PCR (Polymerase Chain Reaction)

c)

Chromatography

d)

BLAST (Basic Local Alignment Search Tool)

Q1.5

In bioinformatics, which of the following databases would likely be used for storing protein structure information?

a)

Gen Bank

b)

Protein Data Bank (PDB)

c)

UniProt

d)

Ensembl

Q1.6

Which of the following materials is commonly used in medical implants due to its biocompatibility and corrosion resistance?

a)

Steel

b)

Gold

c)

Titanium

d)

Aluminum

Q1.7

A key property of biomaterials used in medical devices is:

a)

Biocompatibility

b)

High reactivity

c)

High conductivity

d)

High porosity

Q1.8

Bioremediation refers to the use of:

a)

Heat treatment for waste disposal

b)

Chemical agents to neutralize toxins

c)

Mechanical devices to extract toxins

d)

Organisms to clean up environmental pollutants

Q1.9

Which of the following is a major advantage of using algae in biofuels production?

a)

Low environmental impact

b)

Easy cultivation on land

c)

Absence of carbon dioxide emissions

d)

High energy content

Q1.10

Which type of microorganisms is commonly used in the production of antibiotics?

a)

Bacteria

b)

Protozoa

c)

Viruses

d)

Fungi

Q.2 Solve both questions :

Q2.1

What is bioremediation? Explain the principles of bioremediation in details.

Q2.2

What is the importance of databases like Gen Bank in bioinformatics?

Q.3 Solve both questions :

Q3.1

Describe the four levels of protein structure (primary, secondary, tertiary, and quaternary).

Q3.2

Explain the role of biosensors in detecting diseases. How can engineers use biosensors to detect pathogens or monitor health conditions?

Q.4 Solve both questions :

Q4.1

How can biofuels contribute to sustainable energy production? Explain in details.

Q4.2

Explain the concept of protein folding. How do bioinformatics tools help predict the three-dimensional structure of proteins from their amino acid sequences?

Q.5 Solve both questions :

Q5.1

What is biofuel? Explain biofuels contribute to sustainable energy production.

Q5.2

What are mutations in DNA? Discuss the various types of mutations (point mutation, insertion, deletion) and their potential effects of protein function.

Q.6 Solve both questions :

Q6.1

Define biomolecules and classify them into their major categories.

Q6.2

What are the principles of bioremediation? Provide examples of how biotechnology is applied to clean up wastewater treatment.

Q.7 Solve this question :

Q7.1

Discuss any exceptions to Mendel's laws of inheritance, including incomplete dominance, co-dominance, and epistasis. Explain with examples.

Q.8 Solve both questions :

Q8.1

Discuss the role of microorganisms in biotechnology. Provide examples of how microorganisms are used in production of pharmaceuticals, biofuels, and food products.

Q.9 Write short notes on any two of the following:-

Q9.1
  • Explain Mendel's first law (Law of Segregation).
  • What are macromolecules? Explain with examples.
  • Explain the concept of enzyme inhibition.
  • What is the role of cofactors and coenzymes in enzyme function?
a)

Explain Mendel's first law (Law of Segregation).

b)

What are macromolecules? Explain with examples.

c)

Explain the concept of enzyme inhibition.

d)

What is the role of cofactors and coenzymes in enzyme function?

2021 100301

B.Tech 3rd Semester Examination, 2021

Time 03 Hours
Full Marks 70
Instructions:
  • The marks are indicated in the right-hand margin.
  • There are NINE questions in this paper.
  • Attempt FIVE questions in all.
  • Question No. 1 is compulsory.

Q.1 Choose the correct answer of the following (any seven):

Q1.1

A genetically engineered micro-organism used successfully in bioremediation of oil spills is a species of

a)

Trichoderma

b)

Bacillus

c)

Pseudomonas

d)

Xanthomonas

Q1.2

Which one is a hereditary disease?

a)

Cataract

b)

Leprosy

c)

Colour blindness

d)

Phenylketonuria

Q1.3

Which of the following is responsible for phosphate solubilization?

a)

Streptococcus

b)

Streptomyces

c)

Bacillus

d)

Clostridium

Q1.4

What is the concentration of $ H^+ $ in a solution of 0.1 M NaOH?

a)

10−14M10^{-14}M

b)

10−10M10^{-10}M

c)

10−13M10^{-13}M

d)

1013M10^{13}M

Q1.5

Mendel's dihybrid phenotypic ratio is

a)

1:1:1:1

b)

3:1

c)

9:3:3:1

d)

9:1:1:5

Q1.6

The bread wheat, Triticum aestivum, that is commonly used all over the world, is

a)

hexaploid

b)

tetraploid

c)

triploid

d)

diploid

Q1.7

Inheritance of ABO blood group illustrates

a)

endoploidy

b)

multiple allelism

c)

polyploidy

d)

incomplete dominants

Q1.8

Yield coefficient represents

a)

total biomass or product produced

b)

conversion efficiency of a substrate into product

c)

conversion rate of a substrate into biomass or product

d)

production time of biomass or product

Q1.9

Which ratio is constant of DNA?

a)

(A+G)/(T+C)(A+G)/(T+C)

b)

(A+T)/(G+C)(A+T)/(G+C)

c)

(A+C)/(U+G)(A+C)/(U+G)

d)

(A+U)/(C+G)(A+U)/(C+G)

Q1.10

All alleles originate from

a)

mutations

b)

cross over

c)

gene flow

d)

non-disjunction

Q.2 Write the answer in very brief of the following:

Q2.1

What is basic principle of flying of bird and aircraft?

Q2.2

Define epistasis.

Q2.3

Classify about types of proteins.

Q2.4

How can you say that RNA is a genetic material?

Q.3 Write the answer in very brief of the following:

Q3.1

Define term of complementation.

Q3.2

Define term of secondary structure of protein.

Q3.3

Define endothermic reaction in biological systems.

Q3.4

Define growth kinetics.

Q.4 Write the answer in short of the following:

Q4.1

Differentiate between autotroph and heterotroph organisms.

Q4.2

What are dominant traits in living organism?

Q.5 Write the answer in short:

Q5.1

What is the need of study of biology for an engineer?

Q5.2

Write the principle of light microscope used for observation of cell.

Q.6 Write the answer in short of the following:

Q6.1

Discuss about how biological discovery in 20th century led to major investigation in environmental science.

Q6.2

Deliberate about the gene interaction and epistasis.

Q.7 Write the answer in short of the following:

Q7.1

How can you say that proteins act as structural elements of a living cell?

Q7.2

Differentiate between photosynthesis and respiration in plant.

Q.8 Solve this question :

Q8.1

Explain that all forms of life have the same building blocks but create diversification.

Q.9 Solve this question :

Q9.1

How can you say that genetics is to biology and Newton's laws are to physical sciences?

2021 V4 100301

B.Tech 3rd Semester Examination, 2021

Time 03 Hours
Full Marks 70
Instructions:
  • The marks are indicated in the right-hand margin.
  • There are NINE questions in this paper.
  • Attempt FIVE questions in all.
  • Question No. 1 is compulsory.

Q.1 Choose the correct answer of the following (any seven):

Q1.1

A genetically engineered micro-organism used successfully in bioremediation of oil spills is a species of

a)

Trichoderma

b)

Bacillus

c)

Pseudomonas

d)

Xanthomonas

Q1.2

Which one is a hereditary disease?

a)

Cataract

b)

Leprosy

c)

Colour blindness

d)

Phenylketonuria

Q1.3

Which of the following is responsible for phosphate solubilization?

a)

Streptococcus

b)

Streptomyces

c)

Bacillus

d)

Clostridium

Q1.4

What is the concentration of $ H^+ $ in a solution of 0.1 M NaOH?

a)

10−14M10^{-14}M

b)

10−10M10^{-10}M

c)

10−13M10^{-13}M

d)

1013M10^{13}M

Q1.5

Mendel's dihybrid phenotypic ratio is

a)

1:1:1:1

b)

3:1

c)

9:3:3:1

d)

9:1:1:5

Q1.6

The bread wheat, Triticum aestivum, that is commonly used all over the world, is

a)

hexaploid

b)

tetraploid

c)

triploid

d)

diploid

Q1.7

Inheritance of ABO blood group illustrates

a)

endoploidy

b)

multiple allelism

c)

polyploidy

d)

incomplete dominants

Q1.8

Yield coefficient represents

a)

total biomass or product produced

b)

conversion efficiency of a substrate into product

c)

conversion rate of a substrate into biomass or product

d)

production time of biomass or product

Q1.9

Which ratio is constant of DNA?

a)

(A+G)/(T+C)(A+G)/(T+C)

b)

(A+T)/(G+C)(A+T)/(G+C)

c)

(A+C)/(U+G)(A+C)/(U+G)

d)

(A+U)/(C+G)(A+U)/(C+G)

Q1.10

All alleles originate from

a)

mutations

b)

cross over

c)

gene flow

d)

non-disjunction

Q.2 Write the answer in very brief of the following:

Q2.1

What is basic principle of flying of bird and aircraft?

Q2.2

Define epistasis.

Q2.3

Classify about types of proteins.

Q2.4

How can you say that RNA is a genetic material?

Q.3 Write the answer in very brief of the following:

Q3.1

Define term of complementation.

Q3.2

Define term of secondary structure of protein.

Q3.3

Define endothermic reaction in biological systems.

Q3.4

Define growth kinetics.

Q.4 Write the answer in short of the following:

Q4.1

Differentiate between autotroph and heterotroph organisms.

Q4.2

What are dominant traits in living organism?

Q.5 Write the answer in short:

Q5.1

What is the need of study of biology for an engineer?

Q5.2

Write the principle of light microscope used for observation of cell.

Q.6 Write the answer in short of the following:

Q6.1

Discuss about how biological discovery in 20th century led to major investigation in environmental science.

Q6.2

Deliberate about the gene interaction and epistasis.

Q.7 Write the answer in short of the following:

Q7.1

How can you say that proteins act as structural elements of a living cell?

Q7.2

Differentiate between photosynthesis and respiration in plant.

Q.8 Solve this question :

Q8.1

Explain that all forms of life have the same building blocks but create diversification.

Q.9 Solve this question :

Q9.1

How can you say that genetics is to biology and Newton's laws are to physical sciences?

2020 100301

B.Tech 3rd Semester Examination, 2020

Time 03 Hours
Full Marks 70
Instructions:
  • The marks are indicated in the right-hand margin.
  • There are NINE questions in this paper.
  • Attempt FIVE questions in all.
  • Question No. 1 is compulsory.

Q.1 Choose the correct answer of the following (any seven):

Q1.1

The term 'biology' was introduced by

a)

Lamarck and Treviranus

b)

Darwin

c)

John Ray

d)

Aristotle

Q1.2

The time dependent permanent deformation is called

a)

plastic deformation

b)

elastic deformation

c)

creep

d)

anelastic deformation

Q1.3

Which of the following is not present in animal cells?

a)

Cell walls

b)

Mitochondria

c)

Ribosomes

d)

Cytoplasms

Q1.4

Normal human blood pressure is

a)

110/110

b)

120/70120/70

c)

120/80

d)

140/60

Q1.5

Which ancient Indian physician is known as the 'Father of Surgery'?

a)

Charaka

b)

Sushruta

c)

Nagarjuna

d)

Vagbhata

Q1.6

The existence of genes was first suggested by

a)

Gregor Mendel

b)

George Wells Beadle

c)

Edward Lawrie Tatum

d)

Frederick Griffith

Q1.7

Which of the following animals has the longest life span?

a)

Tortoise

b)

Elephant

c)

Crocodile

d)

Dog

Q1.8

Which of the following is the reason for orange colour of carrot?

a)

It grows in the soil

b)

It contains carotene

c)

It is not exposed to sunlight

d)

The entire plant is orange in colour

Q1.9

Rh factor of the blood was discovered by the scientist(s)

a)

Louis Pasteur

b)

Landsteiner and Wiener

c)

Jansky

d)

Moss

Q1.10

The suitable temperature to transport viral culture is

a)

30∘C30^{\circ}C

b)

5∘C5^{\circ}C

c)

25∘C25^{\circ}C

d)

45∘C45^{\circ}C

Q.2 Write the answer in very brief of the following:

Q2.1

What is the working principle of human eye and digital camera?

Q2.2

Define Mendel's laws.

Q2.3

Classify about the types of sugars.

Q2.4

How can you say that DNA is a genetic material?

Q.3 Write the answer in very brief of the following:

Q3.1

List the properties of genetic code.

Q3.2

Define the term of primary structure of protein.

Q3.3

List the laws of thermodynamics.

Q3.4

Write the examples of single-cell organism and multicellular organism.

Q.4 Write the answer in short of the following:

Q4.1

Differentiate between prokaryote and eukaryote organisms.

Q4.2

What are recessive traits in living organism?

Q.5 Write the answer in short of the following:

Q5.1

Explain about Brownian motion.

Q5.2

Write the parts of light microscope used for observation of cells.

Q.6 Write the answer in short of the following:

Q6.1

Discuss how biological discovery of 20th Century led to major investigation in medical science.

Q6.2

Discuss about Mendel's laws of segregation and independent assortment.

Q.7 Write the answer in short of the following:

Q7.1

How can you say that proteins are transporters and receptors of a living cell?

Q7.2

Differentiate between photosynthesis and transpiration in plant.

Q.8 Solve this question :

Q8.1

How can you prove that biology is an important scientific discipline similar to mathematics, physics and chemistry? Answer in detail.

Q.9 Solve this question :

Q9.1

Draw the flow chart of Krebs cycle.

2020 V4 100301

B.Tech 3rd Semester Examination, 2020

Time 03 Hours
Full Marks 70
Instructions:
  • The marks are indicated in the right-hand margin.
  • There are NINE questions in this paper.
  • Attempt FIVE questions in all.
  • Question No. 1 is compulsory.

Q.1 Choose the correct answer of the following (any seven):

Q1.1

The term 'biology' was introduced by

a)

Lamarck and Treviranus

b)

Darwin

c)

John Ray

d)

Aristotle

Q1.2

The time dependent permanent deformation is called

a)

plastic deformation

b)

elastic deformation

c)

creep

d)

anelastic deformation

Q1.3

Which of the following is not present in animal cells?

a)

Cell walls

b)

Mitochondria

c)

Ribosomes

d)

Cytoplasms

Q1.4

Normal human blood pressure is

a)

110/110

b)

120/70120/70

c)

120/80

d)

140/60

Q1.5

Which ancient Indian physician is known as the 'Father of Surgery'?

a)

Charaka

b)

Sushruta

c)

Nagarjuna

d)

Vagbhata

Q1.6

The existence of genes was first suggested by

a)

Gregor Mendel

b)

George Wells Beadle

c)

Edward Lawrie Tatum

d)

Frederick Griffith

Q1.7

Which of the following animals has the longest life span?

a)

Tortoise

b)

Elephant

c)

Crocodile

d)

Dog

Q1.8

Which of the following is the reason for orange colour of carrot?

a)

It grows in the soil

b)

It contains carotene

c)

It is not exposed to sunlight

d)

The entire plant is orange in colour

Q1.9

Rh factor of the blood was discovered by the scientist(s)

a)

Louis Pasteur

b)

Landsteiner and Wiener

c)

Jansky

d)

Moss

Q1.10

The suitable temperature to transport viral culture is

a)

30∘C30^{\circ}C

b)

5∘C5^{\circ}C

c)

25∘C25^{\circ}C

d)

45∘C45^{\circ}C

Q.2 Write the answer in very brief of the following:

Q2.1

What is the working principle of human eye and digital camera?

Q2.2

Define Mendel's laws.

Q2.3

Classify about the types of sugars.

Q2.4

How can you say that DNA is a genetic material?

Q.3 Write the answer in very brief of the following:

Q3.1

List the properties of genetic code.

Q3.2

Define the term of primary structure of protein.

Q3.3

List the laws of thermodynamics.

Q3.4

Write the examples of single-cell organism and multicellular organism.

Q.4 Write the answer in short of the following:

Q4.1

Differentiate between prokaryote and eukaryote organisms.

Q4.2

What are recessive traits in living organism?

Q.5 Write the answer in short of the following:

Q5.1

Explain about Brownian motion.

Q5.2

Write the parts of light microscope used for observation of cells.

Q.6 Write the answer in short of the following:

Q6.1

Discuss how biological discovery of 20th Century led to major investigation in medical science.

Q6.2

Discuss about Mendel's laws of segregation and independent assortment.

Q.7 Write the answer in short of the following:

Q7.1

How can you say that proteins are transporters and receptors of a living cell?

Q7.2

Differentiate between photosynthesis and transpiration in plant.

Q.8 Solve this question :

Q8.1

How can you prove that biology is an important scientific discipline similar to mathematics, physics and chemistry? Answer in detail.

Q.9 Solve this question :

Q9.1

Draw the flow chart of Krebs cycle.

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