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Q. No.In Bt cotton, the Bt toxin present in plant tissue as pro-toxin is converted into active toxin due to:
1. alkaline pH of the insect gut
2. acidic pH of the insect gut
3. action of gut microorganisms
4. presence of conversion factors in the insect gut
1. alkaline pH of the insect gut
2. acidic pH of the insect gut
3. action of gut microorganisms
4. presence of conversion factors in the insect gut
2. acidic pH of the insect gut
3. action of gut microorganisms
4. presence of conversion factors in the insect gut
Subtopic: Bt Crops |
94%
Level 1: 80%+
NEET - 2015
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The first human hormone produced by recombinant DNA technology is:
1. Insulin
2. Estrogen
3. Thyroxin
4. Progesterone
Subtopic: Med Applications & Humulin |
97%
Level 1: 80%+
AIPMT - 2014
Hints
Which of the following Bt crops is being grown in India by the farmers?
| 1. | Cotton | 2. | Brinjal |
| 3. | Soybean | 4. | Maize |
Subtopic: Bt Crops |
90%
Level 1: 80%+
AIPMT - 2013
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Consumption of which one of the following foods can prevent the kind of blindness associated with vitamin-A deficiency?
| 1. | Flaver savr tomato | 2. | Canolla |
| 3. | Golden rice | 4. | Bt-brinjal |
Subtopic: Other GM Crops |
96%
Level 1: 80%+
AIPMT - 2012
Hints
A single strand of nucleic acid tagged with a radioactive molecule is called:
1. Vector
2. Selectable marker
3. Plasmid
4. Probe
1. Vector
2. Selectable marker
3. Plasmid
4. Probe
Subtopic: Molecular Diagnosis |
89%
Level 1: 80%+
AIPMT - 2012
Hints
The process of RNA interference has been used in the development of plants resistant to:
1. fungi
2. viruses
3. insects
4. nematodes
Subtopic: Interference RNA Tech |
90%
Level 1: 80%+
AIPMT - 2011
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Subtopic: Transgenic Microbes & Animals |
97%
Level 1: 80%+
AIPMT - 2011
Hints
Genetic engineering has been successfully used for producing:
| 1. | transgenic mice for testing the safety of polio vaccine before use in humans |
| 2. | transgenic models for studying new treatments for certain cardiac disease |
| 3. | transgenic Cow-Rosie which produces high-fat milk for making ghee |
| 4. | Animals like bulls for farm work as they have super power |
Subtopic: Transgenic Microbes & Animals |
88%
Level 1: 80%+
AIPMT - 2010
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Some of the characteristics of Bt cotton are:
| 1. | long fibre and resistance to aphids |
| 2. | medium yield, long fibre, and resistance to beetle pests |
| 3. | high yield and production of toxic protein crystals, which kill dipteran pests |
| 4. | high yield and resistance to bollworms |
Subtopic: Bt Crops |
58%
Level 3: 35%-60%
AIPMT - 2010
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An improved variety of transgenic basmati rice:
| 1. | does not require chemical fertilizers and growth hormones |
| 2. | gives high yield and is rich in vitamin-A |
| 3. | is completely resistant to all insect pests and diseases of paddy |
| 4. | gives high yield but has no characteristic aroma |
Subtopic: Other GM Crops |
82%
Level 1: 80%+
AIPMT - 2010
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