The critical research areas of biotechnology include all the following except:
1. Providing the best catalyst in the form of improved organism usually a microbe or pure enzyme.
2. Creating optimal conditions through engineering for a catalyst to act.
3. Downstream processing technologies to purify the protein/organic compound.
4. Development of new genetically modified microbes that can be used as bio-weapons.
Subtopic:  Intro to Agri Applications | Transgenic Microbes & Animals | Ethical Issues |
 81%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


Increased yield of crop during the green revolution was due to:
I. Use of improved crop varieties
II. Use of better management practices
III. Use of agrochemicals [fertilisers and pesticides]
 
1. Only I 2. Only I and III
3. Only I and II 4. I, II and III
Subtopic:  Intro to Agri Applications |
 80%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


Consider the two statements:
Statement I: Use of genetically modified crops is an important option for increasing food production in the future.
Statement II: Agrochemicals are too expensive for farmers in the developing world.
 
1. Statement I is correct and Statement II is incorrect
2. Both Statement I and Statement II are correct
3. Both Statement I and Statement II are incorrect  
4. Statement I is incorrect and Statement II is correct
Subtopic:  Intro to Agri Applications |
 90%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


advertisementadvertisement

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): Conventional breeding is not the answer if we want to increase yield in the existing crop varieties.
Reason (R): The existing crop varieties have evolved into new species and traditional hybridisation is not possible now.
In the light of the above statements, choose the most appropriate answer from the options given below :
1. Both (A) and (R) are False.
2. Both (A) and (R) are True but (R) does not explain (A).
3. (A) is True but (R) is False.
4. Both (A) and (R) are True and (R) explains (A).
Subtopic:  Intro to Agri Applications |
 54%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


All the following are possible today with the use of GM crops except:
1. More tolerance to abiotic stresses
2. Alternative resources to industries
3. Increased efficiency of mineral usage by plants
4. Fixation of atmospheric nitrogen
Subtopic:  Intro to Agri Applications |
 75%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


Consider the two statements:
Statement I: Bt toxin is more environmentally friendly than synthetic pesticides.
Statement II: Expression of Bt toxin gene in plants provide resistance of certain insects.
 
1. Statement I is correct and Statement II is incorrect
2. Both Statement I and Statement II are correct and Statement II explains Statement I
3. Both Statement I and Statement II are correct but Statement II does not explain Statement I 
4. Statement I is incorrect and Statement II is correct
Subtopic:  Bt Crops |
 51%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


advertisementadvertisement

GM crops have been modified with various traits. Golden rice has been developed by the International Rice Research Institute for:

1. Improved shelf life 2. Disease resistance
3. Herbicide resistance 4. Improved nutritional value

Subtopic:  Other GM Crops |
 91%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


Consider the two statements:

I:  Use of genetically modified crops can be a possible solution for minimizing the use of chemicals and fertilizers that are detrimental for the environment.
II:  Genetically modified crops do not require any fertilizers.

1.  Both I and II are correct and II explains I.
2.  Both I and II are correct but II does not explain I.
3.  I is correct but II is incorrect.
4.  Both I and II are incorrect.
Subtopic:  Other GM Crops |

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


Bt cotton is not:

1. A GM plant
2. Insect resistant
3. A bacterial gene expressing system
4. Resistant to all pesticides

Subtopic:  Bt Crops |
 78%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


advertisementadvertisement

A protoxin is:

1. A primitive toxin 2. A denatured toxin
3. Toxin produced by protozoa 4. Inactive toxin
Subtopic:  Bt Crops |
 89%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.