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प्रश्न
Why are vaccines made by biotechnology preferred?
उत्तर
- Vaccines produced by biotechnology are comparatively safer than using completely or partially killed pathogens as vaccines.
- These vaccines are more thermo-stable.
- Vaccines produced by biotechnology remain active for longer periods in the body.
- Edible vaccines are being produced using biotechnology. e.g. Transgenic potatoes provide immunity against cholera and diseases caused by Escherichia coli.
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संबंधित प्रश्न
Genetically engineered human insulin is obtained by inserting the gene in ______________.
‘Cry’ genes are present in ______.
Give the use of bovine growth hormone
Answer the following question in your own words.
Explain the meaning of vaccination.
Explain in brief - D.N.A. Fingerprinting. Give two examples where this technique is used.
Explain different biosafety issues that may arise due to genetically modified (GM) organisms.
Vinegar is actually
Match and write the pairs.
| Recombinant protein | It’s used in or for |
| i. platelet-derived growth factor | a. Anemia |
| ii. α-antitrypsin | b. cystic fibrosis |
| iii. Relaxin | c. Haemophilia A |
| iv. Erythropoietin | d. Diabetes |
| v. Factor VIII | e. Emphysema |
| vi. DNase | f. Parturition |
| g. Atherosclerosis |
What is a vaccine?
Malaria is caused due to genetic disorder taking place in liver cells.
Give examples of bio-fertilizers mentioning their advantages.
What is meant by edible vaccines?
Write the correct statement from the statements given in the box below the figure.
- Entire plant is developed from the leaf pieces containing genes of human pathogen.
- Consumption of raw potatoes helps to develop immunity against that pathogen
- Isolation of desired gene from human pathogen
- Transgenic plant virus.
- Virus infects the pieces of potato leaves.
Mention the application of Biotechnology.
The following identifies the properties observed in transgenic fish.
From the following identify the ways through which gene therapy can be used.
- Deliver bacterial or viral genes as a form of vaccination
- Supply genes that cause cancer cells to revert back to normal cells
- By introducing gene in an edible plant
- Deliver genes that speed the destruction of cancer cells
- Replace missing or defective genes
From the following which one is NOT the advantage of genetically modified crops?
Study the following statements and select the correct option.
i. Factor VIII is used in the treatment of haemophilia A.
ii. Macrophage activating factor and tumor necrosis factor are used in cancer treatment.
iii. Hepatitis B can be prevented using relaxin.
Which genes have been introduced in transgenic fish?
Define the Transduction.
