Organisation : Council For The Indian School Certificate Examinations
Class : Class XII
Document Type : Specimen Question Paper
Subject : Biotechnology
Semester : 1 And 2
Year : 2022
Website : https://cisce.org/publications.aspx
ICSE Class XII Biotechnology Question Paper
Council For The Indian School Certificate Examinations (ICSE) Class XII Biotechnology Specimen Question Papers Semester 1 and 2 for the year 2022.
Related / Similar Question Paper : ICSE Class XII Environmental Science Question Paper 2022
ICSE Class XII Biotechnology Questions
Answer the following by choosing the correction option.
1. Pyrimidines are the nitrogenous bases that have _______ ring/s in their structure.
(a) One
(b) Two
(c) Three
(d) Four
2. __________ are used to cut the DNA during cloning.
(a) DNA polymerase
(b) RNA polymerase
(c) Restriction enzymes
(d) Reverse transcriptase
3. Flavr savr tomatoes show the property of _____________.
(a) Faster ripening
(b) Delayed ripening
(c) Short shelf life
(d) Sogginess
4. The acceptor arm of the t-RNA is responsible for
(a) Binding to the amino acid.
(b) Binding to the enzyme – t-RNA – Aminoacyl synthetase complex.
(c) Recognition of the complementary codons on m-RNA.
(d) Binding t-RNA to ribosomes.
5. The nucleic acids are made up of ___________.
(a) Nucleotides
(b) Nucleosides
(c) Nitrogenous bases
(d) Pentose sugars and bases
6. DNA: DNA hybridization is done in ________blotting technique.
(a) Southern
(b) Northern
(c) Western
(d) Eastern
7. In Hershey and Chase experiment, the protein coat had _______ while DNA had __________.
(a) N14, P32
(b) S32, P32
(c) S35, P32
(d) S35, P31
8. The method used for identifying the recombinant host cells is
(a) Green fluorescent protein.
(b) Blue white method.
(c) Both (a) and (b).
(d) Bergman’s Plating method.
9. The bond which is broken by the action of restriction enzyme is
(a) Phospho-diester bond
(b) Hydrogen bond
(c) Peptide bond
(d) Glycosidic bond
10. The gene which codes for hepatitis- B surface antigen is
(a) pMA56
(b) Insulin
(c) Interferon
(d) HBsAg
11. The first mammalian clone Dolly was made from
(a) The egg cell from clone mother.
(b) Mammary gland cell from clone mother.
(c) Egg cell from surrogate mother.
(d) Mammary gland cell from surrogate mother.
12. What is the technique used to create point mutation?
(a) Chemical mutagenesis.
(b) Physical mutagenesis.
(c) Site directed mutagenesis.
(d) Irradiation.
13. The process of reverse transcription is with the help of ____________ enzyme which is also known as _____________.
(a) Reverse transcriptase, DNA dependent RNA polymerase.
(b) Reverse transcriptase, DNA dependent DNA polymerase.
(c) Reverse transcriptase, RNA dependent RNA polymerase.
(d) Reverse transcriptase, RNA dependent DNA polymerase.
14. Which of the following factors associates to RNA polymerase during the process of formation of RNA on DNA template?
(a) TATA box
(b) Sigma factor
(c) Rho factor
(d) DNA polymerase
15. Retroviruses undergo formation of
(a) DNA from RNA with the help of DNA dependent RNA polymerase.
(b) RNA from DNA with the help of DNA dependent DNA polymerase.
(c) DNA from RNA with the help of RNA dependent DNA polymerase.
(d) DNA from RNA with the help of RNA dependent RNA polymerase.
Download ICSE Class XII Biotechnology Question Paper
Download ICSE Biotechnology Semester – 1 Class XII Question Paper Here :
https://www.pdfquestion.in/uploads/pdf2022/2biot2sem1.pdf
Download ICSE Biotechnology Semester – 2 Class XII Question Paper Here :
https://www.pdfquestion.in/uploads/pdf2022/2biot2sem2.pdf