Animal Biotechnology — Part 2 MCQs with Explanations
Practice high-yield Biotechnology Engineering MCQs on Animal Biotechnology — Part 2 with worked academic solutions for PPSC, FPSC, NIH, NTS.
Questions
40
Difficulty Level
Exam-Level
Target Exams
PPSC, FPSC, NIH...
Estimated Time
48 mins
Exam-Level PPSC FPSC NIH NTS
Verified for Commission Syllabus • Oct 14, 2026
40
Verified Practice Questions
Interactive test mode with detailed academic worked solutions
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🎉 Set complete! All 40 questions answered.
Question 1 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
In animal cell cultures, the addition of serum to media is essential for providing
Correct Answer: Option D — All of the above
Detailed Academic Explanation:
All of the above is the correct answer to “In animal cell cultures, the addition of serum to media is essential for providing”. This question is standard in competitive examination syllabi for Animal Biotechnology.
💡Key Conceptual Anchor:Animal Biotechnology
Question 2 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
A knockout mouse is so named because it contains
Correct Answer: Option C — An activated human gene
Detailed Academic Explanation:
An activated human gene is the correct answer to “A knockout mouse is so named because it contains”. This question is standard in competitive examination syllabi for Animal Biotechnology.
💡Key Conceptual Anchor:Animal Biotechnology
Question 3 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
In animal cell culture, a CO 2 enriched atmosphere in the incubator chamber is used to maintain the culture pH between 6.9 and 7.4. Which one of the following statements is correct?
Correct Answer: Option A — Higher the bicarbonate concentration in the medium, higher should be the requirement of gaseous CO2
Detailed Academic Explanation:
Higher the bicarbonate concentration in the medium, higher should be the requirement of gaseous CO2 is the correct answer to “In animal cell culture, a CO 2 enriched atmosphere in the incubator chamber is used to maintain the culture pH between 6.9 and 7.4. Which one of the following statements is correct”. This question is standard in competitive examination syllabi for Animal Biotechnology.
💡Key Conceptual Anchor:Animal Biotechnology
Question 4 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Which of these would not Be-used to introduce DNA in animal cells?
Correct Answer: Option D — Ti-plasrnid
Detailed Academic Explanation:
Ti-plasrnid is the correct answer to “Which of these would not Be-used to introduce DNA in animal cells”. This question is standard in competitive examination syllabi for Animal Biotechnology.
💡Key Conceptual Anchor:Animal Biotechnology
Question 5 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
The first patent for a transgenic organism was awarded in 1988. Which organism was patented?
Correct Answer: Option C — A mouse that manufactures human protein in its milk
Detailed Academic Explanation:
A mouse that manufactures human protein in its milk is the correct answer to “The first patent for a transgenic organism was awarded in 1988. Which organism was patented”. This question is standard in competitive examination syllabi for Animal Biotechnology.
💡Key Conceptual Anchor:Animal Biotechnology
Question 6 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Carbon-dioxide when combined with the amino groups in haemoglobin molecule and forms
Correct Answer: Option A — HbCO2
Detailed Academic Explanation:
HbCO2 is the correct answer to “Carbon-dioxide when combined with the amino groups in haemoglobin molecule and forms”. This question is standard in competitive examination syllabi for Animal Biotechnology.
💡Key Conceptual Anchor:Animal Biotechnology
Question 7 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Term hybridoma implies
Correct Answer: Option C — Somatic hybridisation
Detailed Academic Explanation:
Somatic hybridisation is the correct answer to “Term hybridoma implies”. This question is standard in competitive examination syllabi for Animal Biotechnology.
💡Key Conceptual Anchor:Animal Biotechnology
Question 8 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
DNA ligase of E. coli requires which of the following cofactors?
Correct Answer: Option D — (NAD+) as an electron acceptor
Detailed Academic Explanation:
(NAD+) as an electron acceptor is the correct answer to “DNA ligase of E. coli requires which of the following cofactors”. This question is standard in competitive examination syllabi for Animal Biotechnology.
💡Key Conceptual Anchor:Animal Biotechnology
Question 9 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
The syndrom es in human in which an individual's somatic cells contain only the one sex chromosome XO is called
Correct Answer: Option B — Turner syndrome
Detailed Academic Explanation:
Turner syndrome is the correct answer to “The syndrom es in human in which an individual's somatic cells contain only the one sex chromosome XO is called”. This question is standard in competitive examination syllabi for Animal Biotechnology.
💡Key Conceptual Anchor:Animal Biotechnology
Question 10 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Choose the correct sequence of steps involved in cytoplast production.
Correct Answer: Option B — Osmotic stabilizer → Digestion of cell wall → Protoplast viability → Cybrid formation
Detailed Academic Explanation:
Osmotic stabilizer → Digestion of cell wall → Protoplast viability → Cybrid formation is the correct answer to “Choose the correct sequence of steps involved in cytoplast production.”. This question is standard in competitive examination syllabi for Animal Biotechnology.
💡Key Conceptual Anchor:Animal Biotechnology
Question 11 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Which one of the following statements is incorrect about hybridoma production?
Correct Answer: Option C — Hybridoma cells are made to produce polyclonal antibodies
Detailed Academic Explanation:
Hybridoma cells are made to produce polyclonal antibodies is the correct answer to “Which one of the following statements is incorrect about hybridoma production”. This question is standard in competitive examination syllabi for Animal Biotechnology.
💡Key Conceptual Anchor:Animal Biotechnology
Question 12 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Antibody-producing hybridoma cells are generated by the fusion of a
Correct Answer: Option B — B cell with a myeloma cell
Detailed Academic Explanation:
B cell with a myeloma cell is the correct answer to “Antibody-producing hybridoma cells are generated by the fusion of a”. This question is standard in competitive examination syllabi for Animal Biotechnology.
💡Key Conceptual Anchor:Animal Biotechnology
Question 13 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Which of the following has been produced commercially from mammalian cell cultures?
Correct Answer: Option A — Plasminogen activator
Detailed Academic Explanation:
Plasminogen activator is the correct answer to “Which of the following has been produced commercially from mammalian cell cultures”. This question is standard in competitive examination syllabi for Animal Biotechnology.
💡Key Conceptual Anchor:Animal Biotechnology
Question 14 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
When the value of selection coefficient is unity (S = 1), there would be
Correct Answer: Option A — No survival
Detailed Academic Explanation:
No survival is the correct answer to “When the value of selection coefficient is unity (S = 1), there would be”. This question is standard in competitive examination syllabi for Animal Biotechnology.
💡Key Conceptual Anchor:Animal Biotechnology
Question 15 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
To promote attachment and spreading of anchorage-dependent animal cells the surface of the culture vessel needs to be coated with
Correct Answer: Option B — Collagen
Detailed Academic Explanation:
Collagen is the correct answer to “To promote attachment and spreading of anchorage-dependent animal cells the surface of the culture vessel needs to be coated with”. This question is standard in competitive examination syllabi for Animal Biotechnology.
💡Key Conceptual Anchor:Animal Biotechnology
Question 16 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
The culture fluids of 1000 to 5000 colonies of hybridoma are screened for monoclonal antibody by P. Western blot analysis. Q. Antigen capture analysis. R. Northern blot analysis. S. Antibody capture analysis. Choose the correct pair from the following
Correct Answer: Option A — P, Q
Detailed Academic Explanation:
P, Q is the correct answer to “The culture fluids of 1000 to 5000 colonies of hybridoma are screened for monoclonal antibody by P. Western blot analysis. Q. Antigen capture analysis. R. Northern blot analysis. S. Antibody capture analysis. Choose the correct pair from the following”. This question is standard in competitive examination syllabi for Animal Biotechnology.
💡Key Conceptual Anchor:Animal Biotechnology
Question 17 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Nitrogen fixing genes are called
Correct Answer: Option A — Nif' genes
Detailed Academic Explanation:
Nif' genes is the correct answer to “Nitrogen fixing genes are called”. This question is standard in competitive examination syllabi for Animal Biotechnology.
💡Key Conceptual Anchor:Animal Biotechnology
Question 18 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Transgenic pharming involves using . . . . . . . . to produce recombinant proteins in . . . . . . . .
Correct Answer: Option A — Cows; Milk
Detailed Academic Explanation:
Cows; Milk is the correct answer to “Transgenic pharming involves using . . . . . . . . to produce recombinant proteins in . . . . . . . .”. This question is standard in competitive examination syllabi for Animal Biotechnology.
💡Key Conceptual Anchor:Animal Biotechnology
Question 19 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
The genes which promote cancerous growth are called as
Correct Answer: Option A — Oncogenes
Detailed Academic Explanation:
Oncogenes is the correct answer to “The genes which promote cancerous growth are called as”. This question is standard in competitive examination syllabi for Animal Biotechnology.
💡Key Conceptual Anchor:Animal Biotechnology
Question 20 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Which of the following statement is not true for Xanthine-guanine phosphoribosyl transferase (XGPRT)?
Correct Answer: Option A — It is an enzyme of endogeneous pathway
Detailed Academic Explanation:
It is an enzyme of endogeneous pathway is the correct answer to “Which of the following statement is not true for Xanthine-guanine phosphoribosyl transferase (XGPRT)”. This question is standard in competitive examination syllabi for Animal Biotechnology.
💡Key Conceptual Anchor:Animal Biotechnology
Question 21 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Production of monoclonal antibodies by hybridoma technology requires
Correct Answer: Option A — Splenocytes
Detailed Academic Explanation:
Splenocytes is the correct answer to “Production of monoclonal antibodies by hybridoma technology requires”. This question is standard in competitive examination syllabi for Animal Biotechnology.
💡Key Conceptual Anchor:Animal Biotechnology
Question 22 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Choose the correct combination of True (T) and False (F) statements about microcarriers used in animal cell culture. P. Higher cell densities can be achieved using microcarriers. Q. Microcarriers increase the surface area for cell growth. R. Microcarriers are used for both anchorage- and non-anchorage-dependent cells. S. Absence of surface charge on microcarriers enhances attachment of cells.
Correct Answer: Option B — P-T; Q-T; R-F and S-F
Detailed Academic Explanation:
P-T; Q-T; R-F and S-F is the correct answer to “Choose the correct combination of True (T) and False (F) statements about microcarriers used in animal cell culture. P. Higher cell densities can be achieved using microcarriers. Q. Microcarriers increase the surface area for cell growth. R. Microcarriers are used for both anchorage- and non-anchorage-dependent cells. S. Absence of surface charge on microcarriers enhances attachment of cells.”. This question is standard in competitive examination syllabi for Animal Biotechnology.
💡Key Conceptual Anchor:Animal Biotechnology
Question 23 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Which of the following DNA Pol has proofreading property in animal cells?
Correct Answer: Option B — DNA Pol δ
Detailed Academic Explanation:
DNA Pol δ is the correct answer to “Which of the following DNA Pol has proofreading property in animal cells”. This question is standard in competitive examination syllabi for Animal Biotechnology.
💡Key Conceptual Anchor:Animal Biotechnology
Question 24 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
When electroporation is used for introducing DNA into mammalian cell P. A carrier for DNA is not required. Q. The lipid bilayer (membrane) interacts with an electric pulse to generate permeation sites. R. The viability of the cell becomes approximately zero percent. S. The first step involves absorption of DNA on the cell membrane.
Correct Answer: Option A — P, Q
Detailed Academic Explanation:
P, Q is the correct answer to “When electroporation is used for introducing DNA into mammalian cell P. A carrier for DNA is not required. Q. The lipid bilayer (membrane) interacts with an electric pulse to generate permeation sites. R. The viability of the cell becomes approximately zero percent. S. The first step involves absorption of DNA on the cell membrane.”. This question is standard in competitive examination syllabi for Animal Biotechnology.
💡Key Conceptual Anchor:Animal Biotechnology
Question 25 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Positional cloning approach exploits information
Correct Answer: Option A — On the location of the gene in the genome
Detailed Academic Explanation:
On the location of the gene in the genome is the correct answer to “Positional cloning approach exploits information”. This question is standard in competitive examination syllabi for Animal Biotechnology.
💡Key Conceptual Anchor:Animal Biotechnology
Question 26 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Determine the correctness or otherwise of the following Assertion [A] and the Reason [R] . Assertion [A]: Embryonic stem cells are suitable for developing knockout mice. Reason [R]: Homologous recombination is more frequent in embryonic stem cells than that in somatic cells.
Correct Answer: Option B — Both [A] and [R] are true, and [R] is the correct reason for [A]
Detailed Academic Explanation:
Both [A] and [R] are true, and [R] is the correct reason for [A] is the correct answer to “Determine the correctness or otherwise of the following Assertion [A] and the Reason [R] . Assertion [A]: Embryonic stem cells are suitable for developing knockout mice. Reason [R]: Homologous recombination is more frequent in embryonic stem cells than that in somatic cells.”. This question is standard in competitive examination syllabi for Animal Biotechnology.
💡Key Conceptual Anchor:Animal Biotechnology
Question 27 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Gene targeting is done on an
Correct Answer: Option D — Early embryonic cell
Detailed Academic Explanation:
Early embryonic cell is the correct answer to “Gene targeting is done on an”. This question is standard in competitive examination syllabi for Animal Biotechnology.
💡Key Conceptual Anchor:Animal Biotechnology
Question 28 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Detection of which hormone is the commonly used test for pregnancy in humans?
Correct Answer: Option C — Chorionic gonadotropin
Detailed Academic Explanation:
Chorionic gonadotropin is the correct answer to “Detection of which hormone is the commonly used test for pregnancy in humans”. This question is standard in competitive examination syllabi for Animal Biotechnology.
💡Key Conceptual Anchor:Animal Biotechnology
Question 29 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Methotrexate (MTX) resistant cell lines developed through selection show
Correct Answer: Option C — Changed DHFR with reduced affinity for MTX
Detailed Academic Explanation:
Changed DHFR with reduced affinity for MTX is the correct answer to “Methotrexate (MTX) resistant cell lines developed through selection show”. This question is standard in competitive examination syllabi for Animal Biotechnology.
💡Key Conceptual Anchor:Animal Biotechnology
Question 30 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Hybridoma technology is used to produce
Correct Answer: Option A — Monoclonal antibodies
Detailed Academic Explanation:
Monoclonal antibodies is the correct answer to “Hybridoma technology is used to produce”. This question is standard in competitive examination syllabi for Animal Biotechnology.
💡Key Conceptual Anchor:Animal Biotechnology
Question 31 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Match the following reporter gene with their source Column-I Column-II A. β-Galactosidase 1. Firefly B. Lux 2. E. coli C. TK 3. Herpers simplex virus D. Blasticidin deaminase (bed) 4. Aspergillus terrcus
Correct Answer: Option B — A-2, B-1, C-3, D-4
Detailed Academic Explanation:
A-2, B-1, C-3, D-4 is the correct answer to “Match the following reporter gene with their source Column-I Column-II A. β-Galactosidase 1. Firefly B. Lux 2. E. coli C. TK 3. Herpers simplex virus D. Blasticidin deaminase (bed) 4. Aspergillus terrcus”. This question is standard in competitive examination syllabi for Animal Biotechnology.
💡Key Conceptual Anchor:Animal Biotechnology
Question 32 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
For the growth of T-cell, the growth factor needed would be
Correct Answer: Option B — Interleukin-2
Detailed Academic Explanation:
Interleukin-2 is the correct answer to “For the growth of T-cell, the growth factor needed would be”. This question is standard in competitive examination syllabi for Animal Biotechnology.
💡Key Conceptual Anchor:Animal Biotechnology
Question 33 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
A hybrid derived from the fusion of a myeloma cell (HPRT − ) with an antibody secreting B-lymphocyte (HPRT + ) can be selected to produce monoclonal antibody by growing in a medium containing
Correct Answer: Option D — Thymidine, Hypoxanthine, Aminopterin
Detailed Academic Explanation:
Thymidine, Hypoxanthine, Aminopterin is the correct answer to “A hybrid derived from the fusion of a myeloma cell (HPRT − ) with an antibody secreting B-lymphocyte (HPRT + ) can be selected to produce monoclonal antibody by growing in a medium containing”. This question is standard in competitive examination syllabi for Animal Biotechnology.
💡Key Conceptual Anchor:Animal Biotechnology
Question 34 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
A bacterial culture contains 108 cells/ml in the beginning. Two hours later, it was found to contain 10 12 cells/ml. Calculate the doubling time.
Correct Answer: Option B — 0.15 hr
Detailed Academic Explanation:
0.15 hr is the correct answer to “A bacterial culture contains 108 cells/ml in the beginning. Two hours later, it was found to contain 10 12 cells/ml. Calculate the doubling time.”. This question is standard in competitive examination syllabi for Animal Biotechnology.
💡Key Conceptual Anchor:Animal Biotechnology
Question 35 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
r-HuEPO is
Correct Answer: Option C — Recombinant Erythropoietin
Detailed Academic Explanation:
Option "Recombinant Erythropoietin" is the correct answer for this question under Animal Biotechnology.
💡Key Conceptual Anchor:Animal Biotechnology
Question 36 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Receptor R is over expressed in CHO cells and analyzed for expression. 6 × 10 7 cells were incubated with its radioactive ligand (specific activity 100 counts per picomole). If the total counts present in cell pellet was 1000 cpm. the average number of receptors R per cell is (assume complete saturation of receptors with ligand and one ligand binds to one receptor)
Correct Answer: Option B — 105
Detailed Academic Explanation:
105 is the correct answer to “Receptor R is over expressed in CHO cells and analyzed for expression. 6 × 10 7 cells were incubated with its radioactive ligand (specific activity 100 counts per picomole). If the total counts present in cell pellet was 1000 cpm. the average number of receptors R per cell is (assume complete saturation of receptors with ligand and one ligand binds to one receptor)”. This question is standard in competitive examination syllabi for Animal Biotechnology.
💡Key Conceptual Anchor:Animal Biotechnology
Question 37 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Which one of the following is NOT used for the measurement of cell viability in animal cell culture?
Correct Answer: Option D — Coulter counter
Detailed Academic Explanation:
Coulter counter is the correct answer to “Which one of the following is NOT used for the measurement of cell viability in animal cell culture”. This question is standard in competitive examination syllabi for Animal Biotechnology.
💡Key Conceptual Anchor:Animal Biotechnology
Question 38 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Gene therapy that is hereditary relates to
Correct Answer: Option B — Germline cells
Detailed Academic Explanation:
Germline cells is the correct answer to “Gene therapy that is hereditary relates to”. This question is standard in competitive examination syllabi for Animal Biotechnology.
💡Key Conceptual Anchor:Animal Biotechnology
Question 39 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
All of the following are produced by animal cells in culture and help the cells adhere to the culture dish except
Correct Answer: Option C — Phospholipase A
Detailed Academic Explanation:
Phospholipase A is the correct answer to “All of the following are produced by animal cells in culture and help the cells adhere to the culture dish except”. This question is standard in competitive examination syllabi for Animal Biotechnology.
💡Key Conceptual Anchor:Animal Biotechnology
Question 40 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
The product commercially produced by animal cell culture is
Correct Answer: Option B — Tissue plasminogen activator
Detailed Academic Explanation:
Tissue plasminogen activator is the correct answer to “The product commercially produced by animal cell culture is”. This question is standard in competitive examination syllabi for Animal Biotechnology.
💡Key Conceptual Anchor:Animal Biotechnology
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Analytical Tools In Biotechnology — Part 1
Master the next curriculum module with 40 exam-standard MCQs.
💡Examiner's Advisory for Biotechnology Engineering
In competitive commission exams (FPSC, PPSC, KPPSC, SPSC, CSS, PMS), questions are frequently phrased with distractor options designed to catch rote learners. Whenever you answer an MCQ, read the Detailed Academic Explanation and Conceptual Anchor to understand why the remaining options are incorrect.