Odisha CPET 2022 Question Paper Biotechnology

ODISHA
CPET

QUESTION PAPER
2022
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COMMON P.G. ENTRANCE TEST–2022 (CPET-2022)

Subject Code : 48 Test Booklet No.:

Entrance Subject : Biotechnology Hall Ticket No.:

TEST BOOKLET

Time Allowed : 90 Minutes Full Marks : 70

INSTRUCTIONS TO CANDIDATES
1. Please do not open this Question Booklet until asked to do so.
2. Check the completeness of the Question Booklet immediately after opening.
3. Enter your Hall Ticket No. on the Test Booklet in the box provided alongside. Do not write
anything else on the Test Booklet.

up Test Booklet Serial No. & OMR Answer Sheet Serial No. in the Attendance Sheet carefully.

5. Each question has four answer options marked (A), (B), (C) & (D).
6. Answers are to be marked on the Answer Sheet, which is provided separately.
7. Choose the most appropriate answer option and darken the oval completely, corresponding to
(A), (B), (C) or (D) against the relevant question number.
8. Use only Blue/Black Ball Point Pen to darken the oval for answering.
9. Please do not darken more than one oval against any question, as scanner will read such markings
as wrong answer.
10. Each question carries equal marks. There will be no negative marking for wrong answer.
11. Electronic items such as calculator, mobile, etc., are not permitted inside the
examination hall.
12. Don’t leave the examination hall until the test is over and permitted by the invigilator.
13. The candidate is required to handover the original OMR sheet to the invigilator and
take the question booklet along with the candidate’s copy of OMR sheet after completion
of the test.
14. Sheet for rough work is appended in the Test Booklet at the end.

W-Biotechnology-48 P.T.O.

1. The Life-cycle of marine alga Sargassum is-

(A) Diplontic

(B) Haplontic

(C) Haplo-diplonitc

(D) None of these

2. Which of the following is correct order of evolutionary history of human?

(A) Peking man, Neanderthal man, Homo sapiens, Heidelberg man

(B) Peking man, Neanderthal man, Heidelberg man, Cro-Magnon man

(C) Peking man, Heidelberg man, Neanderthal man, Cro-Magnon man

(D) Peking man, Heidelberg man, Homo sapiens, Neanderthal man

2
molecules to
generate one molecule of glucose during photosynthesis?

(A) 12 NADPH & 12 ATP

(B) 12 NADPH & 18 ATP

(C) 18 NADPH & 12 ATP

(D) 18 NADPH & 18 ATP

S

S

increment of cell size by 25%. What is the cell hydrostatic pressure ( P

5. Which one of the following is considered as missing link between reptiles and birds?

(B) Pteranodon

(C) Avimimus

W-Biotechnology-48 2

(A) Budding

(C) Parthenogenesis

(D) Somatic hybridization

lineage is known as-

(A) Phenetics

(B) Systematics

(C) Dendrogram

(D) Phylogenetics

8. The genes that are related by vertical descent from a common ancestor and encode proteins
with the same function in different species is known as-

(B) Paralogous

(C) Homologous

(D) Heterologous

(D) Steroids

multi layered structure, and each of the layer will be differentiated into distinct parts in
the fully developed organisms in due course of time. Which one of the following layer is
responsible for the development of skin and nervous system?

(A) Endoderm

(B) Mesoderm

(C) Ectoderm

(D) Blastoderm

W-Biotechnology-48 3 P.T.O.

11. Which one of the following conditions make a biological process spontaneous across all
temperature?

(A) When the process is both enthalpically and entropically favored

(B) When the process is enthalpically favored but entropically opposed

(C) When the process is enthalpically opposed but entropically favored

(D) When the process is both enthalpically and entropically opposed

12. _____________ is the most abundant element in the human body without any infection and
deformities.

(B) Nitrogen (N)

(C) Hydrogen (H)

(D) Carbon (C)

13. Which one of the following bonds is present both in DNA and protein?

(A) N-Glycosidic bond

(B) Peptide bond

(C) Phosphodiester bond

(D) Hydrogen bond

14. Tryptophan is an aromatic amino acid which synthesized in plants via shikimate pathway.
The sequence of its synthesis from phospho-enol-pyruvate (PEP) and erythrose-4-phosphate
(E-4-P) is–

(A) PEP + E-4-P DAHP Shikimate Chorismate Anthranilate Tryptophan

(B) PEP + E-4-P DAHP Shikimate Anthranilate Chorismate Tryptophan

(C) PEP + E-4-P Shikimate Chorismate DAHP Anthranilate Tryptophan

(D) PEP + E-4-P Chorismate DAHP Shikimate Anthranilate Tryptophan

content?
2

2

2

2

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The

(A) Primary structure

(B) Secondary structure

(C) Tertiary structure

(D) Quaternary structure

of Acetyl Coenzyme A.

(A) Seven and eight

(B) Eight and eight

(C) Eight and seven

(D) Seven and seven

18. In Michaelis-Menten equation the enzyme kinetics curve is always-

(A) Linear

(B) Negative

(C) Hyperbola

(D) Bell shaped

(A) Virulent Phage

(B) Temperate Phage

(C) Prophage

(D) Lysogenic phage

(A) Transient infections

(B) Acquired Infections

(C) Nosocomial infections

(D) Contagious infections

W-Biotechnology-48 5 P.T.O.

21. Which one of the following is not an antibiotic?

(B) Cephalosporin

(C) Clarithromycin

(D) None of the above

22. Genetic recombination in E. coli occurs through-

(A) Transformation

(B) Conjugation

(C) Transduction

(D) All the above

23. Gram staining differentiate Staphylococcus aureus (Gram positive) and Escherichia coli
(Gram negative) due to-

(A) Presence of multiple inter connected layer of peptidoglycans without outer membrane
in S. aureus

(B) Presence of multiple inter connected layer of peptidoglycans without outer membrane
in E. coli

(C) Presence of multiple inter connected layer of peptidoglycans with outer membrane in
S. aureus

(D) Presence of multiple inter connected layer of peptidoglycans with outer membrane in
E. coli

known as-

(A) Lag phase

(B) Log phase

(C) Stationary phase

(D) Decline phase

25. Industrial production of Vinegar through fermentation involves ______________.

W-Biotechnology-48

The antibacterial action of penicillin is due to its effect on

(A) Cell membrane permeability

(B) Cell wall synthesis

(C) DNA synthesis

(D) Protein synthesis

genetic material because DNA possesses-

(A) Autocatalytic properties

(B) Heterocatalytic properties

(C) Mutability

(D) All the above

28. Which one of the following is used as template strand during transcription of E. coli?

(A) Sense strand

(B) Antisense strand

(C) Both sense and antisense strand

(D) None of the above

(A) Intein splicing

(B) Proteolytic cleavage

(C) Apurinic cleavage

(A) Hydrogen bond

(B) Phosphodiester bond

(C) Electrostatic interaction

(D) Hydrophobic interaction

W-Biotechnology-48 P.T.O.

31. Which one of the following enzyme is required for the photoreactivation of the T:T dimer?

(A) DNA Photoligase

(B) DNA Photolyase

(C) AP endonuclease

(D) DNA glycosylase

32. Termination of DNA replication in E. coli is triggered by

(A) DNA polymerase-III

(B) Helicase

(D) Tus protein

33. Tryptophan operon in E. coli is regulated by the unique phenomenon of –

(A) Induction

(C) Attenuation

(D) None of the above

34. The cDNA clone differs from genomic DNA clone by ______________.

(A) presence of intron

(B) absence of intron

(A) Using an illumination of shorter wave length and decreasing the numerical aperture

(B) Using an illumination of shorter wave length and increasing the numerical aperture

(C) Using an illumination of longer wave length and increasing the numerical aperture

(D) Using an illumination of longer wave length and decreasing the numerical aperture

(A) Increase in saturated fatty acids in the membrane

(B) Increase in unsaturated fatty acids in the membrane

(C) Increase in glycolipid content in the membrane

(D) Increase in phospholipid content in the membrane

W-Biotechnology-48 8

Which of the following plasma membrane receptors activate signalling pathways usually by
forming molecular dimers that result in protein phosphorylation reactions upon binding of

(A) G-protein coupled receptors

(B) Steroid hormone receptors

(D) Ligand gated ion channels

38. Which one of the following cell organelles is semi autonomous in all eukaryotic cells?

(A) Chloroplast

(B) Mitochondria

(D) Lysosomes

(A) Actin

(B) Tubulin

(C) Keratin

(D) Amanitin

41. Mitochondrial DNA (Mt DNA) is advantageous for evolutionary studies because:

(A) Mt DNA is inherited maternally which paves the way to elucidate phylogenetic
relationship.

(B) Mt DNA evolves more accurately than the genes of the nucleus.

(D) Mt. DNA evolves more slowly than the genes in the nucleus

W-Biotechnology-48 P.T.O.

42. If
gene action is considered as

(A) Lethal gene action

(B) Pleotropic gene action

(C) Dominant gene action

(D) Epistatic gene action

1
offspring that are light blue. When the F1 progeny ar selfed
the F2 progenies have segregated in the ratio of 1 dark blue : 2 light blue : 1 white for its

(A) Epistasis

(B) Dominance

(C) Incomplete dominance

(D) Codominance

1. Breaking up of the cell and tissue under suitable cell lysis buffer

3. Ethanol precipitation of DNA and Solubilization of DNA with TE buffer

4. Assessment of the quality by UV-spectrophotometry.

(A) 5, 4, 3, 2, 1

(B) 1, 2, 3, 5, 4

(C) 1, 2, 5, 3, 4

(D) 1, 5, 2, 3, 4

45. Antibodies are-

(B) Carbohydrates

(C) Glycoproteins

(D) All of the above

W-Biotechnology-48

t chain and heavy chain of antibody are joined by

(A) Hydrogen bond

(B) Hydrophobic bond

(C) Ionic bond

(D) Di-sulphide bond

(A) IgG

(B) IgM

(C) IgA

(D) IgE

48. The monoclonal antibody recognizes-

(A) B- Cell

(B) Antigen

(C) Epitope

(D) None of the above

fermentor?

(A) Impeller

(C) Sparger

(D) All the above

(C) Phagemid

(D) Cosmid

W-Biotechnology-48 11 P.T.O.

51. DNA ligase is –

(A) An enzyme that joins fragments during cloning of gene

(B) An enzyme involved in protein synthesis

(A) SNP sequence

(D) All the above

53. Which of the following is used as selection marker for the plant cells transformed with an
Agrobacterium tumefaciens based vector?

(A) Neomycin phosphotransferase-II (Npt-II)

(B) -Glucuronidase (GUS)

(C) Bacterial Luciferase (LUX)

(D) Green Fluorescent Protein (GFP)

54. Which of the following is a direct gene transfer method used in plant system?

(A) Electrofusion

(B) Particle bombardment

(C) Liposome mediated transformation

(D) Agrobacterium mediated transformation

55. A non-anchorage dependent cell is host to a Baltimore Type V virus. If the cells are grown
14
C]-dUTP], which of the
following statements are correct?

(A) Newly synthesized viral genomes will become radioactively labelled.

(B) Newly synthesized mitochondrial genomes will become radioactively labelled.

(C) Newly synthesized nuclear genomes will become radioactively labelled.

(D) None of the above

W-Biotechnology-48 12

Which one of the following statements is true for enzymes?
(A) Apoenzyme (inactive) + Cofactor Holoenzyme (active)
(B) Holoenzyme (inactive) + cofactor Apoenzyme (active)
(C) Apoenzyme (active) + Cofactor Holoenzyme (inactive)
(D) Holoenzyme (active) + cofactor Apoenzyme (inactive)

(A) Centrifugation
(B) Electrophoresis
(C) UV spectrophotometry
(D) Polymerase Chain reaction

fragmentsin vitro?

(B) Polymerase chain reaction
(C) Southern hybridization
(D) Gene cloning

(A) Cathode
(B) Anode
(C) Doesn’t move
(D) None of the above

(A) National Center for Bioinformatics information
(B) National Center for Biological information
(C) National Center for Biotechnology information
(D) None of the above

(A) Patents
(B) Copyrights

(C) Trademarks

(D) Geographical distributions

W-Biotechnology-48 13 P.T.O.

Secondary metabolites including alkaloids are produced through ___________

(B) Microspore culture

(C) Embryo culture

(D) Meristem culture

(A) Hepatitis-B vaccine

(D) Polio vaccine

environment biotechnology?

(A) Global warming

(B) Marine pollution

(D) None of the above

large amounts of ____________.

(B) Lysosomes

(C) Smooth endoplasmic reticulum

(A) GC substituted by AT

(B) CG substituted by GC

(C) AT substituted by CG

(D) TA substituted by AT

W-Biotechnology-48 14

top corner, the correlation is called as

(A) No correlation

(B) Perfect positive correlation

(C) Perfect negative correlation

(D) The high degree of positive correlation

(A) Bt Brinjal

(C) Flavr-savr Tomato

(D) Terminator Cotton

*****

W-Biotechnology-48 15 P.T.O.

ROUGH WORK

W-Biotechnology-48