Organisation : Board of School Education Haryana (BSEH)
Exam : Senior Secondary Exam (Class 12th)
Document Type : Question Paper
Subject : Bio Technology
Year : March 2025
Website : https://bseh.org.in/srsec-old-question-paper-march-2025
BSEH Haryana Class 12th Bio Technology Question Paper
Download Board of School Education Haryana (BSEH) Senior Secondary Exam (Class 12th) March 2025 Bio Technology Question Paper.
Related / Similar Question Paper : BSEH Class 12th Beauty & Wellness Question Paper March 2025 Haryana
BSEH Haryana Class 12th Bio Technology Questions
Section – A: (Objective Type Questions)
1. Name the plant that was made insect resistant by our scientists :
(A) Corn
(B) Wheat
(C) Cotton (Bt-cotton)
(D) Rice
2. Who was the first to confirm that sickle cell haemoglobin differs from normal haemoglobin due to a charged amino acid ?
(A) Max Perutz
(B) Linus Pauling
(C) V. M. Ingram
(D) Albert Einstein
3. What term is used for sequences that are similar due to gene duplication within the same genome ?
(A) Orthologs
(B) Paralogs
(C) Homologs
(D) Isoenzymes
4. Which of the following culture collection centres is located in the U. K. (United Kingdom) ?
(A) ATCC
(B) MTCC
(C) NCIB
(D) DSM
5. Who is regarded as the ‘Father of Plant Tissue Culture’ ?
(A) Schwann
(B) Schleiden
(C) Gottlieb Haberlandt
(D) Louis Pasteur
6. What are monoclonal antibodies (mAbs) specifically designed to do ?
(A) Bind to multiple epitopes of an antigen
(B) Bind specifically to a single epitope of an antigen
(C) Bind to antigens in a non-specific manner
(D) Inhibit antibody production
7. DNA ligase forms phosphodiester bonds between adjacent nucleotides and covalently links two fragments of DNA. The reaction requires one fragment to have a …………… group and the other a ……………… group.
8. Chymotrypsin is synthesized in the …………… and released into the duodenum through the pancreatic duct.
9. The endosperm is a …………. tissue and an excellent material to produce triploid plants by culturing endosperm tissue.
10. Which bacterium was the first to have its whole genome sequenced ?
11. What is the term for the use of whole microorganisms as a source of protein ?
12. Where are ES cells derived from ?
13. Assertion (A) : Mutations are random and occur naturally, leading to changes in Protein structure or function.
Reason (R) : Site-directed mutagenesis is a technique that allows for controlled, specific mutations to be introduced into a gene sequence.
Options :
(A) Assertion (A) is true, but Reason (R) is false.
(B) Assertion (A) is false, but Reason (R) is true.
(C) Both Assertion (A) and Reason (R) are true, but Reason (R) is not correct explanation of Assertion (A).
(D) Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
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