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प्रश्न
Earlier insulin was being collected from the pancreas of horses.
विकल्प
True
False
उत्तर
True
APPEARS IN
संबंधित प्रश्न
Mention some food items prepared with the help of microbes around the world.
______ and ______ are obtained in breweries.
Gari is made by
Name the vector which is used in the production of human insulin through recombinant DNA technology.
Fill in the blanks and complete the chart.
| GMO | Purpose |
| i. Bt cotton | ____________ |
| ii. _____________ | Delay the softening of tomato during ripening. |
| iii. Golden rice |
____________ |
| iv. Holstein cow | ____________ |
What is GM plant? Write its different advantages.
Give any two commercial uses of Biotechnology.
Find an odd one out.
Write practical uses of biotechnology.
| Sr. No. | Field | Uses |
| A | Crop Biotechnology | |
| B | Hybrid seeds | |
| C | GM Crops |
Explain types of cloning.
Fill in the blanks in the following paragraph.
(environment related, decomposition, microbial techniques, organic matter, oxidized, aquatic life)
It has become possible to solve _______ various problems with the help of biotechnology. _______ are already in use for treatment on sewage and solid waste. Sewage is rich in _______. If such sewage is released in natural water bodies like rivers, the organic matter in it gets _______ with the help of dissolved oxygen. Due to this, level of dissolved oxygen in water decreases, adversely affecting the _______.
Write the effect of biotechnology on agriculture and allied fields.
Arrange the following steps which results in killing of insect which feed on transgenic plant.
- Mid gut becomes paralyzed and mid gut cells of insect are disrupted.
- Insect ingests transgenic plant containing cry gene.
- A combination of high pH and the enzyme proteinase of the insect's mid gut, processes crystalline inclusions hydrolyticall y to release the core toxic fragments.
From the following identify the correct statements regarding vaccines.
- Naked DNA vaccines, viral vector vaccines, and plant-derived vaccines are found to be roost effective against a number of bacterial and viral disorders.
- Vaccine is often made from a weakened or killed form of the microorganism, its toxins or one of its surface protein antigens.
- A vaccine consists of a biological agent that represents the disease causing microorganis1n.
From which of the following 'Cry' gene is obtained?
What is reproductive cloning?
Which of the following statement regarding the structure of proinsulin and mature insulin are not correct?
- Proinsulin is made up of three polypeptide chains - A, B and C.
- The C-polypeptide chain with 33 amino acids is removed prior to insulin formation.
- Mature insulin is made up of 51 amino acids arranged in two polypeptide chains - A and B.
- Polypeptide chain A has 30 amino acids and chain B has 21 amino acids.
- Polypeptide chains A and B are interconnected by one S-S linkage.
Choose the correct option.
Out of the following, which is a genetically engineered antiviral protein?
An example of gene therapy is ______.
In gel electrophoresis, separated DNA fragments can be visualised with the help of ______.
