Explain how “Rosie” is different from a normal cow.

Important Questions on Applications of Biotechnology

MEDIUM

12th Tamil Nadu Board

IMPORTANT

Biology Zoology Standard 12>Chapter 9 - Applications of Biotechnology>Evaluation>Q 14

How was Insulin obtained before the advent of rDNA technology? What were the problems encountered?

HARD

12th Tamil Nadu Board

IMPORTANT

Biology Zoology Standard 12>Chapter 9 - Applications of Biotechnology>Evaluation>Q 15

ELISA is a technique based on the principles of antigen-antibody reactions. Can this technique be used in the molecular diagnosis of a genetic disorder such as Phenylketonuria?

HARD

12th Tamil Nadu Board

IMPORTANT

Biology Zoology Standard 12>Chapter 9 - Applications of Biotechnology>Evaluation>Q 16

Gene therapy is an attempt to correct a genetic defect by providing a normal gene into the individual. By this, the function can be restored. An alternate method would be to provide a gene product known as enzyme replacement therapy, which would also restore the function. Which in your opinion is a better option? Give reasons for your answer.

HARD

12th Tamil Nadu Board

IMPORTANT

Biology Zoology Standard 12>Chapter 9 - Applications of Biotechnology>Evaluation>Q 17

What are transgenic animals? Give examples.

HARD

12th Tamil Nadu Board

IMPORTANT

Biology Zoology Standard 12>Chapter 9 - Applications of Biotechnology>Evaluation>Q 18

If a person thinks he is infected with HIV, due to unprotected sex, and goes for a blood test. Do you think a test such as ELISA will help? If so why? If not, why?

HARD

12th Tamil Nadu Board

IMPORTANT

Biology Zoology Standard 12>Chapter 9 - Applications of Biotechnology>Evaluation>Q 19

Explain how ADA deficiency can be corrected?

HARD

12th Tamil Nadu Board

IMPORTANT

Biology Zoology Standard 12>Chapter 9 - Applications of Biotechnology>Evaluation>Q 20

What are DNA vaccines?

HARD

12th Tamil Nadu Board