Biology and Technology — Practice Quiz
Kerala Board · Class 10 · Biology
Try a 4-question quiz on Biology and Technology for Kerala Board Class 10 Biology: tap an answer to check it and see why.
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Quick Quiz: Biology and Technology
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What is biotechnology?
Which enzyme acts as 'genetic scissors' in recombinant DNA technology?
CRISPR technology uses which enzyme to cut DNA?
The Human Genome Project was completed in which year?
Sample Questions
Which of the following are examples of genetically modified organisms? (Select all correct answers)
Show answer
Bt Cotton, Golden Rice, Glo fish
Bt Cotton (pest resistant), Golden Rice (nutrient enriched), and Glo fish (fluorescent) are all genetically modified organisms created through genetic engineering. Normal wheat and wild salmon are not genetically modified.
What percentage of human DNA is the same in all humans?
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99.9%
99.9% of DNA is identical in all humans. Only 0.1% shows variation, which is used in DNA fingerprinting to identify individuals.
Who discovered DNA fingerprinting?
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Sir Alex Jeffrey
British geneticist Sir Alex Jeffrey discovered DNA fingerprinting on 10 September 1984 at the University of Leicester while examining DNA X-ray films.
Which of the following are applications of DNA fingerprinting? (Select all correct answers)
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Identifying culprits in crimes, Determining parent-child relationships, Tracking endangered species, Identifying victims of disasters
DNA fingerprinting is used for crime investigation, paternity testing, wildlife conservation, disaster victim identification, and studying genetic disorders. It has no application in cooking food.
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Sources & Official References
- Kerala Board of Public Examinations — keralapareekshabhavan.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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