Multiple Choice QuestionsA transgenic food crop, which may help in solving the problem of nightblindness in developing countries is
Flavr savr tomatoes
Starlink maize
Bt soyabean
Golden rice
D.
Golden rice
Vitamin-A deficiency causes night blindness among children. Vitamin-A deficiency often occurs, where rice is the staple food since rice grain does not contain B-carotene. Three tangents providing phytoene synthase, phytoene desaturase, B.carotene desaturase and lycopene cyclase activities were transferred into rice by Agrobacterium-mediated transformation. The resulting transgenic rice popularly called golden rice contains good quantities of Beta carotene.
Flavr savr is genetically modified tomato, which remains fresh and retains their flavour much longer than normal tomato due to blocking of synthesis of fruit softening enzyme polygalacturonase.
Cells obtained from cancerous tumours are known as
Hybridomas
Myelomas
Lymphocytes
Monoclonal cells
Zero growth means
Natality balance mortality
Natality is more than mortality
Natality is less than mortality
Natality is zero
Which one of the following is not correctly matched?
Diphtheria – Corynebacerium
Elephantiasis – Wuchereria
Plague – Paramyxo
Lockjaw – Clostridium
Who received Nobel Prize in 2008 for the discovery of HIV?
Harald Zur Hausen
Luc Montagnier
Jack Szostak
Carol Greider
Match the following Columns.
| Column I (Disease) | Column II (Related Hormone) |
| A. Cretinism | 1. Glucocorticoid |
| B. Cushing's Syndrome | 2. Testosterone |
| C. Diabetes Insipidus | 3. Thyroid |
| D. Eunuchoidism | 4. ADH |
A – 3; B – 4; C – 1; D – 2
A – 2; B – 3; C – 4; D – 1
A – 3; B – 4; C – 2; D – 1
A – 3; B – 1; C – 4; D – 2
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